cartridge for imaging apparatus

专利摘要:
CARTRIDGE Objective: To prevent impediments of a detected part to the installation or the removal of a cartridge inside a main body of an equipment and to avoid damage of the detected part, for example, by collision with other members, when the cartridge is removed from main body of the equipment. Solution Means: An input gear 45 is provided on a first side wall 41 of a development cartridge 7 so as to be rotatable around a central axis line 511. The driving force from an output driving member 56 is introduced into the input gear 45. In addition, a detected rotating body 50 having a first detected part 70 and a second detected part 71 is provided in the first side wall 41. If the driving force is introduced from the member drive output 56 on the input gear 45, the detected rotating body moves and the first detected part 70 and the second detected part 71 advances outwards (left side). If the movement of the detected rotating body advances, the first detected part 70 moves to a more distant position in a direction opposite to the first side wall 41 and the second side wall 42 and then the first part (...).
公开号:BR112012024609B1
申请号:R112012024609-7
申请日:2011-03-30
公开日:2021-01-12
发明作者:Masamitsu Ukai；Yasuo FUKAMACHI；Motoaki Mushika
申请人:Brother Kogyo Kabushiki Kaisha；
IPC主号:

专利说明:

[0001] [001] The exhibition refers to a cartridge removably installed in a main body of an imaging equipment, such as a laser printer, and an imaging equipment. Prior Art
[0002] [002] An image formation equipment, such as a laser printer, of a type in which a development cartridge is installed in a main body of the equipment in order to be removable from it, is exposed. The developer cartridge contains a developer. When the developer cartridge runs out of the developer, the cartridge is removed from the main body of the equipment. Then, a new development cartridge is installed in a main body. In addition, when the equipment chokes on sheets inside the main body, the development cartridge can be removed from the main body to eliminate this choke, and then installed again on the main body.
[0003] [003] In imaging equipment of this type, it is suggested how to determine whether the development cartridge is a brand new one or used when installed on the main body as a way to find wear and tear on the development cartridge.
[0004] [004] A detection gear is mounted on the side surface of such a developing cartridge, and the detection gear can rotate around an axis line (axis of rotation line) that extends in a transverse direction that crosses the lateral surface at a right angle. The detection gear has a plate-shaped detection gear body and a contact projection integrally formed with the detection gear body on the outside (the surface opposite the development cartridge side with respect to the detection gear body ) of the detection gear body. The detection gear body has gear teeth on its circumferential surface (except for some part of the circumferential surface).
[0005] [005] In addition, a transmission gear is provided on the side surface of the developing cartridge, and the transmission gear can rotate around an axis line that extends parallel to the axis line of the detection gear, at a distance. The transmission gear rotates as a whole with an agitator to agitate the developer contained in the developer cartridge. The transmission gear has gear teeth on its entire circumferential surface.
[0006] [006] In a new development cartridge, the gear teeth of the transmission gear mesh with the gear teeth of the detection gear. When the developing cartridge is installed in the main body, the driving force of a motor is supplied to the transmission gear, and transmitted forward from the transmission gear to the sensing gear through those gear teeth.
[0007] [007] This allows the detection gear to rotate, and the contact projection moves in the rotational direction of the detection gear in response to the rotation of the detection gear. When the toothless part of the detection gear faces the gear teeth of the transmission gear, the gear teeth of the transmission gear are disengaged from the gear teeth of the detection gear, and rotation of the detection gear stops. Thus, if the development cartridge is even installed in a main body, the gear teeth of the transmission gear are disengaged from the gear teeth of the detection gear, and such position remains forward.
[0008] [008] A sensor is installed in the main body to detect the penetration of the contact projection, since the contact projection is a detected part. Then, based on the result of detecting the penetration of the contact projection by the sensor, an old or new development cartridge is determined. In other words, after a development cartridge is installed in the main body, the development cartridge is determined to be new if the sensor detects the penetration of the contact projection. On the other hand, after a development cartridge is installed in the main body, the development cartridge is determined to be old if the sensor does not detect the penetration of the contact projection. Prior Art Literature
[0009] [009] [Patent Literature 1] Unexamined Japanese Patent Application Publication No. 2006-267994 Summary of the Invention Problem to be solved by the invention
[0010] [0010] However, the contact projection can touch or pick up other members on the main body of the equipment when the development cartridge is installed in, or removed from the main body, because the contact projection is mounted to project outward from the from the side of the development cartridge. In addition, if the developer cartridge is removed from the main body of the equipment, the contact projection can be damaged by, for example, a collision with other members when the developer cartridge is handled by end users.
[0011] [0011] An objective of the invention is to provide a cartridge to prevent the impediment of a detected part for the installation or removal of the cartridge inside the main body of the equipment.
[0012] [0012] Another objective of the invention is additionally to provide a cartridge to prevent damage to a part detected, for example, by collision with other members, when the cartridge is removed from the main body of the equipment. Means to Solve the Problem
[0013] [0013] To achieve the objective, the present invention provides a cartridge to be removably installed in a main body of an image forming equipment comprising: a housing to accommodate a developer therein, wherein the housing has a first side wall and a second side wall, both facing each other; a passive unit for receiving a driving force from an output operational unit provided in the main body, in which the passive unit is mounted on the first side wall, and can rotate around a first axis line that extends in an opposite direction, in which the first and second side walls face each other; and a detected body mounted on the first side wall and having a portion detected to be detected by a detection unit provided on the main body, wherein the detected body advances outwardly in the opposite direction with respect to the first side wall by the actuation force received by the passive unit, and retracts inwards in the opposite direction with respect to the first sidewall.
[0014] [0014] According to the present invention, the passive unit is provided on the first side wall of the housing so as to be rotatable around a first axis line extending in an opposite direction, where the first and second side walls confront each other. A member providing a driving force, provided in the main body, is connected to the passive unit, and the driving force is fed from the member providing the driving force.
[0015] [0015] The first side wall is provided with the detected body including a detected part.
[0016] [0016] If the actuation force is fed from the member that supplies the actuation force to the passive unit, the detected body is moved. As a result, the detected body advances outward. If the detected body is moved from an original position (initial position) to a more distant position (outermost position) in the opposite direction in which the first and second side walls face each other, the detected body retracts inwards at the opposite direction then.
[0017] [0017] Therefore, in a state in which the detected body is positioned in the initial position, the detected part retracts inwards from the most distant position. Therefore, in the instant of detaching the cartridge from the main body, it can reduce the possibility that a detected part is leaning against a body of the main body, that is, captured by the member. As a result, it can reduce the possibility that a detected part will become an obstacle to installing and removing the cartridge from the main body.
[0018] [0018] Before the beginning of movement of the detected limb and after the end of movement of the detected limb, once a detected part retracts inwards from the most distant position, in a state in which the cartridge is detached from of the main body, it can reduce the possibility that a detected part will collide with other members. As a result, the instant the cartridge is installed and removed from the main body, it can reduce the chance that a detected part will be damaged due to collision with another member, etc. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] [0019] FIG. 1 is a sectional view of a laser printer that supports a developer cartridge according to one embodiment.
[0020] [0020] FIG. 2 is a schematic view of the developing cartridge from the vantage point of the left front top of the cartridge.
[0021] [0021] FIG. 3 is a schematic view of the developing cartridge from the vantage point of the left front top of the cartridge, without the gear cover.
[0022] [0022] FIG. 4 is a left side view of the developer cartridge without the gear cover.
[0023] [0023] FIG. 5 is a schematic view of the developing cartridge from the vantage point of the left front base of the cartridge, without the gear cover.
[0024] [0024] FIG. 6 is an exploded schematic view of the developer cartridge with the detected rotating body removed from the developer cartridge, as shown in Figure 5.
[0025] [0025] FIG. 7A is a schematic view of the developing cartridge from the vantage point of the left front top of the cartridge, with the detected rotating body rotated substantially from the position shown in Figure 2.
[0026] [0026] FIG. 7B is a schematic view of the development cartridge shown in Figure 7A from the vantage point of the left front top of the cartridge, with the gear cover removed.
[0027] [0027] FIG. 7C is a left side view of the development cartridge shown in Figure 7A.
[0028] [0028] FIG. 7D is a schematic view of the developing cartridge shown in Figure 7A from the vantage point of the left front base of the cartridge.
[0029] [0029] FIG. 8A is a schematic view of the developing cartridge from the vantage point of the left front of the cartridge, with the detected rotating body rotated further from the position shown in Figure 7A.
[0030] [0030] FIG. 8B is a schematic view of the developer cartridge shown in Figure 8A from the vantage point of the left front top of the cartridge, with the gear cover removed.
[0031] [0031] FIG. 8C is a left side view of the development cartridge shown in Figure 8A.
[0032] [0032] FIG. 9A is a schematic view of the developing cartridge from the vantage point of the left front top of the cartridge, with the detected rotating body rotated further from the position shown in Figure 8A.
[0033] [0033] FIG. 9B is a schematic view of the developing cartridge shown in Figure 9A from the vantage point of the left front top of the cartridge, with the gear cover removed.
[0034] [0034] FIG. 9C is a left side view of the development cartridge shown in Figure 9A.
[0035] [0035] FIG. 10A is a schematic view of the developing cartridge from the vantage point of the left front top of the cartridge, with the detected rotating body rotated further from the position shown in Figure 9A.
[0036] [0036] FIG. 10B is a schematic view of the developing cartridge shown in Figure 10A from the vantage point of the left front top of the cartridge, with the gear cover removed.
[0037] [0037] FIG. 10C is a left side view of the development cartridge shown in Figure 10A.
[0038] [0038] FIG. 11 is a timing graph showing the variation of the light sensor output signal at the time of detection of the developing cartridge.
[0039] [0039] FIG. 12 is a schematic view of the main part of the developing cartridge, from the vantage point of the left rear top of the cartridge, adopting the configuration (modified mode 5) in which the toothless gear and the detected body are separately assembled.
[0040] [0040] FIG. 13 is a schematic view of the main part of the developing cartridge shown in Figure 12 from the vantage point of the left rear top of the cartridge, with the gear cover removed.
[0041] [0041] FIG. 14A is a sectional view of the first side wall of the developing cartridge adopting the configuration (modified mode 6) including the coil spring as a pressure member.
[0042] [0042] FIG. 14B is a left side view of the developer cartridge shown in Figure 14A, with the gear cover removed, and with some parts omitted.
[0043] [0043] FIG. 14C is a schematic view of the first side wall of the development cartridge in the position shown in Figure 14B, from the vantage point of the left base.
[0044] [0044] FIG. 15A is a left side view of the development cartridge shown in Figure 14B, with the detected rotating body rotated from the position shown in Figure 14B.
[0045] [0045] FIG. 15B is a schematic view of the first side wall of the development cartridge in the position shown in Figure 15A, from the vantage point of the left base.
[0046] [0046] FIG. 16A is a sectional view of the first side wall of the development cartridge shown in Figure 14A, with the detected rotating body disposed in the furthest position to the left.
[0047] [0047] FIG. 16B is a schematic view of the first side wall of the development cartridge in the position shown in Figure 16A, from the vantage point of the left base.
[0048] [0048] FIG. 17 is a schematic side view of the configuration (modified mode 7) replacing the toothless gear part of the detected rotating body.
[0049] [0049] FIG. 18 is a plan view of the configuration (modified mode 1) in which the first and second detected parts, the first and the second pressed parts, and the connecting parts are formed separately from the toothless gear part.
[0050] [0050] FIG. 19 is a schematic plan view of the developing cartridge for explaining another embodiment (modified embodiment 9) supporting the input gear.
[0051] [0051] FIG. 20 is a schematic plan view of the developing cartridge for explaining the other embodiment (modified embodiment 10) supporting the input gear. How to Execute the Invention
[0052] [0052] In the following, modalities of the invention will be specifically described with reference to the attached drawings. 1. General Laser Printer Configuration
[0053] [0053] As shown in Figure 1, a laser printer 1, which is an example of an imaging equipment, includes a body box 2 as an example of an equipment body. The body box 2 has, on its side wall, an opening 3 to accommodate a cartridge, and a front cover 4 to open or close the opening 3.
[0054] [0054] However, to clarify the description below, the side of the box 2, on which the front cover 4 is provided, is referred to as the front side of the laser printer 1. The geometry (ie, left, right, upward and down) of the laser printer 1 is adjusted from the vantage point by looking at the front side of the laser printer 1. Furthermore, the direction in front of or behind a development cartridge 7, which is explained below, is determined with with respect to the body box 2 supporting the cartridge 7, and the other directions (i.e., left, right, up and down) of the developing cartridge 7 are adjusted from the vantage point looking on its front side.
[0055] [0055] The body box 2 includes, in its central part, a development unit 5 mounted closer to the front side of the laser printer 1. The development unit 5 can be mounted on, or removed from the body box 2 through opening 3 when the front cover 4 is opened upwards.
[0056] [0056] The development cartridge 5 includes a drum cartridge 6 and the development cartridge 7, as an example of a cartridge removably mounted on the drum cartridge 6.
[0057] [0057] The drum cartridge 6 includes a drum frame 8. The drum frame 8 includes a photosensitive drum 9 rotatably supported at the rear end of the frame 8. An electric charger 10 and a transcription roller 11 are also supported on the interior of the drum frame 8. The electric charger 10 and the transcription roller 11 are arranged in front of and below the photosensitive drum 9, respectively.
[0058] [0058] The front part of the drum frame 8 in front of the photosensitive drum 9 is formed as a part 12 supporting the development cartridge, on which the development cartridge 7 is mounted.
[0059] [0059] The development cartridge 7 includes a housing 13 to accommodate a developer. The housing 13 includes within it a developer accommodation space 14 and a development space 15 adjacent behind the developer accommodation space 14. Both spaces 14 and 15 are in communication.
[0060] [0060] The developer housing space 14 includes an agitator 16 rotatably supported with respect to an action 17, as an example of the second axis line extending from the left to the right of the laser printer 1. The rotation of the agitator 16 causes the developer in the developer housing space 14 to be agitated, and then provided from developer developer space 15 to developer space 15.
[0061] [0061] The development space 15 includes a development roller 18 and a feed roller 19 rotatably supported with respect to the development rotation axis line 20 and a feed rotation axis line 21, respectively, which are examples of the fourth axis line extending from the left to the right of the laser printer 1. The development roller 18 is arranged in such a way that the rear end part of the housing 13 exposes a part of the circumferential surface of the development roller 18. The development cartridge 7 is mounted on the drum cartridge 6 in such a way that the circumferential surfaces of the development roller 18 and the photosensitive drum 9 are in contact. The feed roller 19 is arranged on the lower face of the development roller 18 in such a way that its circumferential surface is in contact with the circumferential surface of the development roller 18. The feed roller 19 feeds the developer into the development space 15 on the circumferential surface. development roller 18, which then supports the developer as a thin layer.
[0062] [0062] Furthermore, the body box 2 contains an exposure unit 22, which includes (without limitation) laser, above the development unit 5.
[0063] [0063] When an image is formed, the photosensitive drum 9 rotates clockwise at a constant rate in Figure 1. During rotation, the circumferential surface of the photosensitive drum 9 becomes evenly charged with electricity by unloading the charger electric 10. Meanwhile, the display unit 22 radiates a laser beam based on the image data received from a personal computer (not shown) connected to the laser printer 1. The laser beam passes through between the electric charger 10 and the developing cartridge 7, and thus radiates and selectively exposes the circumferential surface of the photosensitive drum 9, which has been positively charged evenly. This causes electrical charges to be selectively removed from the exposed part of the circumferential surface of the photosensitive drum 9, and develop an electrostatic latent image on the circumferential surface of the photosensitive drum 9. When the photosensitive drum 9 rotates, thus, in order to produce the electrostatic imaging face of the developing roller 18, the developer is fed from the developing roller 18 onto the electrostatic imaging. The developer image is formed in this way on the circumferential surface of the photosensitive drum 9.
[0064] [0064] A sheet supply cassette 23 is arranged at the bottom of the body box 2 to supply sheets S. A pickup roller 24 is the one above the sheet supply cassette 23 for pulling sheets out of the cassette sheet supply number 23.
[0065] [0065] Also, a transport path 25, which is in the shape of "S" from the side of the laser printer 1, is formed inside the body box 2. Transport path 25 begins in the sheet supply cassette 23 , passes through between the photosensitive drum 9 and the transcription roller 11, and arrives at a leaf discharge tray 26 which is formed on the upper surface of the body box 2.
[0066] [0066] The developer image on the circumferential surface of the photosensitive drum 9 is electrically attracted, and thus transcribed, onto a sheet S when the photosensitive drum 9 rotates, thus, to produce the face of the sheet with image of developer S , which passes through the photosensitive drum 9 and the transcription roll 11.
[0067] [0067] A photographic fixation unit 27 is provided downstream of the transport path 26 from the transcription roll 11 in the transport direction of the S sheet. The S sheet on which the developer image has been transcribed passes through the photographic fixation 27, while being transported through transport path 25. The heat and pressure of the photographic fixation unit 27 fixes the developer image on sheet P as an image. The sheet P carrying the image in this way is transported forward through the transport path 25, and discharged onto the sheet discharge tray 26. 2. Develop cartridge (1) Accommodation
[0068] [0068] As illustrated in Figure 1, the housing 13 of the development cartridge 7 is formed as a box with its rear side open. Specifically, the housing 13 includes a first side wall 41 (see Figure 3) and a second side wall 42. The first and second side walls 41 and 42 are configured as plates facing each other in the right-to-right direction. left, and respectively, that extend from the front to the rear direction. In addition, the housing 13 includes an upper side wall 43 formed between the upper edges of the first and second side walls 41 and 42 and a lower side wall 44 formed between the lower edges of the first and second side walls 41 and 42. The part of the front end of the lower sidewall 44 extends upward in a curve, and is affixed to the front end portion of the upper sidewall 43. (2) Gear Train
[0069] [0069] On the left in Figures 3 to 6, the outer side (left side) of the first side wall 41 is provided with, (a) an input gear 45, a development gear 46, a feed gear 47, and a intermediate gear 48, all as an example of a passive unit; (b) a rotating transmission body of an agitator gear 49, all as an example of a transmission gear; and (c) as an example of a body to be detected, a rotating body detected 50. (2-1) Input Gear
[0070] [0070] Inlet gear 45 is arranged at the top of the rear end of the first side wall 41. Inlet gear 45 is rotatably supported with respect to the central axis line 511 (see Figure 3), which is an example of first axis line of an input gear rotation axis 51 (see Figure 4) extending from right to left. An input gear rotation axis 51 is not rotatably supported on the first side wall 41.
[0071] [0071] Also, as illustrated in Figure 3, the input gear 45 includes, in an integral body, a larger diameter gear part 52, a smaller diameter gear part 53 and a coupling part 54. The larger diameter gear 52, smaller diameter gear part 53 and coupling part 54 are arranged in this order from the side of the first sidewall 41.
[0072] [0072] The larger diameter gear part 52 has a circular plate shape coaxially arranged with an input gear rotation axis 51. The larger diameter gear part 52 includes gear teeth (e.g. helical gear teeth ) around its entire circumferential surface.
[0073] [0073] The smaller diameter gear part 53 has a circular plate shape coaxially arranged with an input gear rotation axis 51, and has a smaller diameter than the larger diameter gear part 52. The gear part smaller diameter 53 includes gear teeth (eg, slanted teeth) around its entire circumferential surface.
[0074] [0074] The coupling part 54 is shaped like a cylindrical column coaxially arranged with an input gear rotation axis 51, and includes a circumferential surface of a smaller diameter than that of the smaller diameter gear part 53. A coupling part 54 includes a coupling recess 55 on its left side. When the development cartridge 7 is mounted on the body box 2, the front end part of a drive unit 56 (see Figure 2) provided inside the body box 2 is inserted into the coupling recess 55.
[0075] [0075] The drive unit 56 is provided movably in the left or right direction. When the development cartridge 7 is mounted in the body box 2, the drive unit 56 inserts its front end part into the coupling recess 55 along the center axis line 511 as the unit 56 moves to the right. This thus connects the drive unit 56 to the coupling recess 55 so as not to allow one to rotate relatively with respect to the other. Therefore, when operated, drive unit 56 provides its rotating force to input gear 45 as a drive force, and allows input gear 45 to rotate with drive unit 56. (2-2) Developing Gear
[0076] [0076] The development gear 46 is arranged, as shown in Figure 4, below, below the input gear 45. The development gear 46 is installed on a development roller shaft 57, which belongs to the development roller 18, so as not to be relatively rotatable with respect to axis 57. The developing roller axis 57 is rotatably arranged with respect to the first side wall 41 and has a central axis line playing a role as the developing axis of rotation 20 , which is the line of rotation of the development roller 18 (see Figure 1). Gear teeth are formed across the circumferential surface of the developing gear 46, and mesh with the gear teeth of the larger diameter gear part 52 of the inlet gear 45. (2-3) Feeding Gear
[0077] [0077] Feed gear 47 is arranged below input gear 45, as shown in Figure 4. Feed gear 47 is installed on a feed roller shaft 58, which belongs to feed roller 19 (see Figure 1) , so as not to be relatively rotary with respect to axis 58. The feed roller axis 58 is rotatably arranged with respect to the first side wall 41, and has a central axis line playing a role as the feed rotation axis line 21 which is the line of rotation of the feed roller 19 (see Figure 1). Gear teeth are formed across the circumferential surface of the feed gear 47, and mesh with the gear teeth of the larger diameter gear part 52 of the inlet gear 45. (2-4) Intermediate Gear
[0078] [0078] The intermediate gear 48 is arranged in front of the input gear 45, as shown in Figure 4. The intermediate gear 48 is installed rotationally with respect to the central axis line of a rotating shaft of the intermediate gear 59 extending in the right to left direction. The intermediate gear rotation axis 59 is supported non-rotatably on the first side wall 41.
[0079] [0079] In addition, as illustrated in Figure 3, the intermediate gear 48 includes, as an integral body, a smaller diameter part 60 which has a circular plate shape of relatively small diameter and a larger diameter part 61 which has a cylindrical shape of a relatively large outside diameter. The smallest and largest diameter parts 60 and 61 are arranged in this order from the first side wall 41. Each central axis line of the smallest and largest diameter parts 60 and 61 is consistent with a central axis line of an intermediate gear rotation axis 59.
[0080] [0080] The smaller diameter part 60 includes gear teeth formed around its entire circumferential surface.
[0081] [0081] The larger diameter part 61 includes gear teeth formed around its entire circumferential surface. The gear teeth of the larger diameter part 61 mesh with those of the smaller diameter gear part 53 of the inlet gear 45. (2-5) Agitator gear
[0082] [0082] The agitator gear 49 is arranged in front of below the intermediate gear 48, as shown in Figure 4. The agitator gear 49 is installed on an agitator rotation axis 62 so as not to be relatively rotary with respect to the agitation axis agitator rotation 62. The agitator rotation axis 62 passes through the first and second side walls 41 and 42 (see Figure 1) from right to left, and is rotatably supported on the first and second side walls 41 and 42. The agitator 16 is installed on the agitator rotation axis 62 in the housing 13. In this way, the agitator 16 and agitator gear 49 can rotate integrally with the agitator rotation axis 62 with respect to the central axis line of the axis agitator rotation axis 62, which corresponds to the agitator rotation axis line 17 (see Figure 1).
[0083] [0083] In addition, the agitator gear 49 includes a larger gear part 64 and a smaller gear part 65 as an integral body.
[0084] [0084] The larger gear part 64 is in a circular plate shape having a central axis line consistent with that of the agitator rotation axis 62. The larger gear part 64 includes gear teeth formed on its entire circumferential surface. The gear teeth of the larger gear part 64 engage with the gear teeth of the smaller diameter part 60 of the intermediate gear 48.
[0085] [0085] The smaller gear part 65 is made, on the side of the larger gear part 64 opposite the first side wall 41, in a circular plate shape having a smaller diameter than the larger gear part 64. The gear part minor 65 includes gear teeth 66 formed on its entire circumferential surface. (2-6) Rotating Body Detected
[0086] [0086] The detected rotating body 50 is arranged at the front, above the agitator gear 49, as shown in Figure 4. The detected rotating body 50 is provided, as shown in Figures 3 and 4, rotationally with respect to the central axis line 681, which is an example of the third axis of a rotating axis 68 that extends from right to left. A axis of rotation 68 is not rotatably supported on the first side wall 41.
[0087] [0087] Furthermore, the detected rotating body 50 includes, as an integral body, a toothless gear part 69, a first detected part 70, a second detected part 71, a first pressed part 72, a second pressed part 73 (as a pressed surface modality), a connecting part 74, and a support part 75 (as a modification of a contact part) (see Figure 5).
[0088] [0088] The toothless gear part 69 is configured in a circular coaxial plate format with a center axis line 681 of a rotation axis 68. The left end surface (outer surface) of the toothless gear part 69 includes a cylindrical insert penetration protrusion 76 projecting from there. A axis of rotation 68 is inserted into, and passes through, the cylindrical insert penetration protrusion 76 so as to be relatively rotatable and movable in the right to left direction.
[0089] [0089] The toothless gear part 69 includes gear tooth 77 (operating part) formed on a part of the circumferential surface of the toothless gear part 69. Specifically, the toothless gear part 69 includes the toothless part 78 ( non-operating part) having a central angle of about 225 degrees around the circumferential surface of gear part 69, and includes gear teeth 77 formed on the remainder (other than toothless part 78) of the circumferential surface, which makes a central angle of about 105 degrees. The gear teeth 77 engage with the smaller diameter gear part 65 of the agitator gear 49 in response to the rotational position of the detected rotating body 50. In addition, the width (measured from right to left) of the gear part without teeth 69 is smaller than the measure in the right to left direction of the smaller diameter gear part 65 of the agitator gear 49. Both measures are so designed that when gear teeth 65 and 77 are engaged , the movement of the toothless gear part 69 in the right to left direction does not release the gear.
[0090] [0090] The first and second detected parts 70 and 71, the first and second pressed parts 72 and 73, and the connecting part 74 protrude from the left side surface of the toothless gear part 69.
[0091] [0091] The first detected part 70 is arranged on the line that connects a central axis line 681 of a rotation axis 68 and the gear tooth 77 positioned the most superiorly in a direction of rotation R (clockwise in the Figure 4) (as an example of the first rotation) of the detected rotating body 50. The first detected part 70 is in the shape of a rectangular plate that extends both in the direction from right to left and in the direction of the diameter of the gear part without teeth 69.
[0092] [0092] The second detected part 71 is positioned upstream from the first detected part 70 in the direction of rotation R of the detected rotating body 50 in a circular arc that passes through the first detected part 70 around the central axis line 681, specifically in the position in which the line connecting the second detected part 71 and a central axis line 681 forms an angle of about 80 degrees with the line connecting the first detected part 70 and a central axis line 681. The second detected part 71 is in the shape of a rectangular plate that extends both in the direction from right to left and in the direction of the diameter of the toothless gear part 69, and has the same measurement as the first detected part 70 in the direction from right to left .
[0093] [0093] The first pressed part 72, when viewed from the lateral surface, extends from the first detected part 70 in a straight line in the direction downstream of the direction of rotation R of the detected rotating body 50. The end part front of the first pressed part 72 is obliquely curved in shape towards a central axis line 681 from the straight part of the first pressed part 72.
[0094] [0094] The second pressed part 73 is positioned with a 180 degree rotation symmetry with respect to the first pressed part 72 around the central axis line 681. The second pressed part 73, when viewed from the lateral surface, has a straight part extending parallel to the straight part of the first pressed part 72.
[0095] [0095] The connecting part 74 is formed as a rib along a circular arc that passes through the first and second detected parts 70 and 71 around the central axis line 681, connects the first and second detected parts 70 and 71, and connects the second detected part 71 and the second pressed part 73.
[0096] [0096] The support part 75 protrudes from the right side surface (inner surface) of the toothless gear part 69, as illustrated in Figure 5. The support part 75 is in the shape of a rectangular plate that extends so much from right to left and the diameter of the toothless gear part 69. (3) Sliding part
[0097] [0097] On the outer surface of the first side wall 41, as shown in Figure 5, there is the sliding part 79 formed between the first side wall 41 and the detected rotating body 50. As illustrated in Figure 6, the sliding part 79 projects from the first side wall 41, and, when viewed from the side surface, it has the three-cylinder-like shape of a rib around an axis of rotation 68.
[0098] [0098] Also, the height of the sliding part 79 from the first side wall 41 is the minimum in a part below a axis of rotation 68, gradually increases from this part to a part in front of a axis of rotation 68 and remains constant on the rest of the sliding part 79. Therefore, on the part where the height gradually increases, the left end surface of the sliding part 79 includes an inclined surface 80 deflected so as to be further away from the first side wall 41 to the as it goes downstream of the direction of rotation R of the detected rotating body 50. The left end surface of the sliding part 79 includes, downstream from the inclined surface 80 in the direction of rotation R, a parallel surface 81 parallel to the first side wall 41.
[0099] [0099] The sliding part 79 includes a notch portion 82 formed in a rectangular shape, cut in the direction towards the first side wall 41 from the end part of the parallel surface 81 downstream in the direction of rotation R. (4) Wire Spring
[0100] [00100] As illustrated in Figures 3 to 6, a projection 83 having the shape of a cylindrical column protrudes from the external surface of the first side wall 41 in the direction of advance of the detected rotating body 50. Around the projection 83 is a wire spring 84 wound as an example of a pressure member. An end part of the wire spring 84 extends towards the outside of the toothless gear part 69 of the detected rotating body 50. The central part of that end part is curved in a crank shape and the front end part of the end part is in contact with the left side surface of the toothless gear part 69. A cylindrical projection 85 also projects from the outer surface of the first side wall 41 in the front and below the projection 83. The other end of the contact spring wire 84 is coupled to the front side of the projection 85. (5) Gear Cover
[0101] [00101] Furthermore, as illustrated in Figure 2, the gear cover 86 is installed on the outside of the first side wall 41 as an example of a cover. The gear cover 86 covers all the input gear 45, the feed gear 47, the intermediate gear 48, and the agitator gear 49, the detected rotating body 50, and the wire spring 84 together. On the gear cover 86 an opening 87 is formed to expose the coupling part 54 of the input gear 45. A circular shaped projection 88 is also formed on the gear cover 86, when viewed from the side of the gear cover 86 which accommodates the detected rotating body 50 therein . When viewed from the side that exposes the first and second detected parts 70 and 71 in the left direction, a C-shaped opening 89 is formed on the left lateral surface of the projection 88, opposite the first and second detected parts 70 and 71 of the body detected rotating 50. 3. Detection device
[0102] [00102] The body box 2 is provided here with a detection device for tracking the first and second detected parts 70 and 71, as shown in Figure 4. The detection device includes an actuator 91 and a light sensor 92 as an example of a unit of measurement.
[0103] [00103] Actuator 91 includes a swing axis 93 that extends from right to left, a contact lever 94 that extends downward from swing axis 93, and a light shield lever 95 that extends backwards from the oscillation axis 93, as an integral body. The pivot axis 93 is rotatably supported, for example, on an inner wall (not shown) of the body housing 2. The contact lever 94 and the light shield lever 95 form an angle of about 80 degrees around the oscillation axis 93.
[0104] [00104] The actuator 91 is thus provided so as to oscillate between a non-measuring position, in which, as illustrated in Figures 4, 7C, and 10C, the contact lever 94 extends almost vertically downwards from the axis oscillation 93, and the light shield lever 95 extends substantially tilted in both the backward and downward directions, and a measurement position, in which, as shown in Figures 8C and 9C, the contact lever 94 is extends substantially tilted in both the backward and downward directions, and the light shield lever 95 extends backward. The spring force of a spring (not shown) presses actuator 91 to the non-measuring position, without external forces.
[0105] [00105] The light sensor 92 includes a light emitting element and a light receiving element, both facing each other in the direction from right to left. The light sensor 92 is arranged in a position in which a light path from the light emitting element to the light receiving element is shielded by the light shield level 95 of the actuator 91 in the unmeasured position, and the light shield lever 95 is retracted from the light path at the measuring position. When the light shield lever 95 is retracted from (relieved from) the light path from the light emitting element to the light receiving element, the light sensor 92 emits an on signal. 4. Detection for Developing Cartridge Installation and For New Cartridge
[0106] [00106] As shown in Figures 2 to 4, the first and second detected parts 70 and 71 of the detected rotating body 50 are arranged, like a new development cartridge 7, in the direction to the upper front and towards the lower front, respectively, with respect to the axis of rotation 68. The front ends of the first and second detected parts 70 and 71 are positioned substantially flush with the left end surface of the projection 88 of the gear cover 86. A lower part of the teeth gear 77 of the detected rotating body 50 downstream in the direction of rotation R is engaged with the gear teeth 66 of the agitator gear 49. The wire spring 84 presses the toothless gear part 69 against the first side wall 41, being in contact with the left end surface of the toothless gear part 69 of the detected rotating body 50. The wire spring 84 also presses the first pressed part 72 backwards, es in contact with the front side of the first pressed part 72. Furthermore, the supporting part 75 of the detected rotating body 50 is in contact with a part of the left-end surface of the sliding part 79 upstream beyond the inclined surface 80 in the direction of rotation R.
[0107] [00107] However, the position from right to left of the detected rotating body 50 at this moment corresponds to an example of a first position as an initial position. In addition, a distance D1 (see Figure 3) between the front end of the first detected part 70 and the first side wall 41 in the direction from right to left is an example of a first distance.
[0108] [00108] When the developing cartridge 7 is installed in the body box 2, a heating operation of the laser printer 1 is performed. In heating operation, the drive unit 56 (see Figure 2) is inserted into the coupling recess 55 of the input gear 45, and the drive force is supplied from the drive unit 56 to the input gear 45, thus rotating the input gear 45. In connection with the rotation of the input gear 45, the developing gear 46, the feeding gear 47, and the intermediate gear 48 rotate, and the development roller 18 and the feed roller 19 rotate. . Following the rotation of the intermediate gear 48, the agitator gear 49 and the agitator 16 (see Figure 1) rotate. Rotating the agitator 16 agitates the developer contained in developer cartridge 7.
[0109] [00109] In a new development cartridge 7, the gear teeth 66 of the agitator gear 49 mesh with the gear teeth 77 of the detected rotating body 50. Thus, when the agitator gear 49 rotates, the detected rotating body 50 rotates in the direction of rotation R subject to rotation of the agitator gear 49. The first and second detected parts 70 and 71 are not in contact with the contact lever 94 of actuator 91, immediately after the new development cartridge 8 is installed in the body housing 2. In addition, actuator 91 is in the non-measuring position and contact lever 94 confronts opening 89 of gear cover 86 in the right to left direction, and the light path of the light 92 is shielded by light shield lever 95. Therefore, light sensor 92 emits an off signal, as before, at time T1 shown in Figure 11.
[0110] [00110] As shown in Figures 7A, 7B, 7C, and 7D, the rotation of the detected rotating body 50 moves the first and second detected parts 70 and 71 closer to the contact lever 94. At the same time, the support 75 of the detected rotating body 50 slides in the direction of the inclined surface 80 along the left end surface of the sliding part 79, and consecutively slides in the direction of the parallel surface 81 along the inclined surface 80. Such rotation causes the rotating body detected 50 move gradually towards the left. Consequently, the first and second detected parts 70 and 71 gradually advance in the left direction when they move in the direction of rotation R, and the front ends of the same protrude through the opening 89 of the gear cover 86.
[0111] [00111] When the detected rotating body 50 rotates gradually, the front ends of the first and second detected parts 70 and 71 move in the left direction, and the front end of the first detected part 70 confronts contact lever 94.
[0112] [00112] Then, when the support part 75 of the detected rotating body 50 moves from the inclined surface 80 on the parallel surface 81, a distance D2 between the front end of the first detected part 70 and the first side wall 41 towards the right to left becomes the maximum.
[0113] [00113] However, the position of the detected rotating body 50 in the direction from right to left is an example of a second position. In addition, the maximum distance D2 (see Figure 8B) at this point is an example of a second distance.
[0114] [00114] Subsequently, when the detected rotating body 50 rotates, the first detected part 70 is in contact with the contact lever 94. When the detected rotating body 50 rotates further, the first detected part 70 presses the contact lever 94 to thus adjusting the actuator 91 from the non-measuring position to the measuring position. Therefore, the light shield lever 95 is relieved from the light path from the light emitting element to the light receiving element of the light sensor 92 and thus the light sensor 92 emits a turn on (as T1 in Figure 11). Therefore, the first detected part 70 can be indirectly detected by the light sensor 92.
[0115] [00115] Then, as the rotation of the detected rotating body 50 advances further, the first detected part 70 moves away from the contact lever 94, and the actuator returns from the measuring position to the non-measuring position . Consequently, the light path from the light-emitting element to the light-receiving element of the light sensor 92 is shielded by the light shield lever 95, and the output signal from the light sensor 92 is changed from an on signal to an off signal (like T2 in Figure 11). The support part 75 of the measurable rotating body 50 slides over the parallel surface 81 of the sliding part 79.
[0116] [00116] When the detected rotating body 50 rotates further, as shown in Figures 9A, 9B, and 9C, the second detected part 71 comes into contact with the contact lever 94, and presses the contact lever 94 backwards , thereby adjusting actuator 91 from the non-measuring position to the measuring position again. Subsequently, the light shield lever 95 is retracted from the light path from the light-emitting element to the light-receiving element of the light sensor 92, and thus an on signal is emitted from the sensor light 92 (as T3 in Figure 11). In this way, the second detected part 71 can be detected indirectly by the light sensor 92. In addition, the supporting part 75 of the detected rotating body 50 slides on the parallel surface 81 of the sliding part 79.
[0117] [00117] Then, when the detected rotating body 50 rotates further, the second detected part 71 moves away from the contact lever 94, and the actuator 91 returns from the measuring position to the non-measuring position. Consequently, the light path from the light emitting element to the light receiving element of the light sensor 92 is shielded by the light shield lever 95 and thus the output signal from the light sensor 92 is changed from an on signal to an off signal again (like T4 in Figure 11). In addition, the support part 75 of the detected rotating body 50 slides on the parallel surface 81 of the sliding part 79.
[0118] [00118] Furthermore, when the support part 75 still slides on the parallel surface 81, and then faces the notch part 82, in response to the further rotation of the detected rotating body 50, the support part 75 fits within the notch part 82. Then, the detected rotating body 50 moves to the right by a stroke by the pressure force of the wire spring 84. Therefore, as shown in Figure 10A, the first and second detected parts 70 and 71 are retracted s to the right, and the front ends thereof are arranged substantially flush with the left end surface of the projection 88 of the gear cover 86. At the same time, as illustrated in Figures 10B and 10C, the gear teeth 77 of the body detected rotary 50 are disengaged from the gear teeth 67 of the agitator gear 49, and the rotation of the detected rotating body 50 ceases.
[0119] [00119] However, the position of the detected rotating body 50 in the direction from right to left at this time is an example of a third position. In addition, a distance D3 (See Figure 10B) between the front end of the first detected part 70 and the first side wall 41 in the direction from right to left at this point is an example of a third distance, which is identical to a distance D1 in the mode described here.
[0120] [00120] Thereafter, the wire spring 84 presses the toothless gear part 69 against the first side wall 41, being in contact with the left end surface of the toothless gear part 69 of the detected rotating body 50. Simultaneously, the wire spring 84 presses the second pressed part 73 backwards, being in contact with the front side of the second pressed part 73. As a result, the rotational position of the detected rotating body 50 remains in the same rotational position as the gear teeth 77 they are disengaged from the gear teeth 67, and the detected rotating body 50 is left to rotate, regardless of the rotation of the agitator gear 49.
[0121] [00121] As such, when a new development cartridge 7 is first installed in the body box 2, power-on signals are emitted twice from the light sensor 92. Therefore, when a development cartridge 7 is installed in the box body 2, the developing cartridge 7 can be determined as a brand new cartridge if emission from the light sensor 92 generates two on signals.
[0122] [00122] On the other hand, when a used development cartridge 7 (a development cartridge 7 that has previously been installed in body box 2) is installed in body box 2, the detected rotating body 50 does not rotate, even after a heating operation of the laser printer 1 begins, because the detected rotating body 50 is in a rotational position where the gear teeth 77 are disengaged from the gear teeth 67. Thus, if a switching signal is not emitted from the sensor of light for a particular period of time after a development cartridge 7 is installed in the body box 2, the development cartridge 7 can be determined to be a used cartridge.
[0123] [00123] However, the second detected part 71 can be omitted. Absent the second detected part 71, a call signal is emitted from the light sensor 92 only for a period of time from T1 to T2 (see Figure 11) when a new development cartridge 7 is installed in the body box 2 Accordingly, the development cartridge 7 can be determined as a new cartridge with a single on signal output from the light sensor 92.
[0124] [00124] For example, while the developer cartridge 7 with the second detected part 71 installed accommodates a relatively larger amount of a developer in the housing 13, the developer cartridge 7 without the second detected part 71 can accommodate a relatively smaller amount of a developer developer in housing 13. If those new cartridges 7 are selectively installed in body housing 2, the type of a new installed development cartridge 7 is distinguishable based on the number of output signals to be switched on from light sensor 92. 5. Technical Effects
[0125] [00125] As explained above, in the first side wall 41 of the housing 13 is the input gear 45 rotatably mounted around the central axis line 511 which extends from left to right, in the direction in which the first and second side walls 41 and 42 face each other respectively. Inlet gear 45 is connected to the drive unit 56 provided inside the housing box 2, and a drive force is given from the drive unit 56.
[0126] [00126] The first side wall 41 is also provided therein with the detected rotating body 50 including the first and second detected parts 70 and 71.
[0127] [00127] Furthermore, the developing cartridge 7 includes a mobile unit including the gear teeth 77, the sliding part 79 and the wire spring 84 of the detected rotating body 50. When the drive unit 56 feeds a drive force into the gear Inlet 45, the mobile unit allows the detected rotating body 50 to move from the first position. As a result, the first and second detected parts 70 and 71 of the detected rotating body 50 move outward (to the left), and then retract inward once when they arrive from the starting position (the position at which the body detected rotary 50 is in the first position) to the outermost position in the direction of the first sidewall 41 which faces against the second sidewall 42 (the position in which the detected rotating body 50 is in the second position).
[0128] [00128] Specifically, the first position of the detected rotating body 50 is the position in which the first detected part 70 is moved away from the first side wall 41 at a distance D1 in the direction from right to left. The detected rotating body 50 moves from the first position, through the second position in which a distance in the direction of movement between the first detected part 70 and the first side wall 41 is a distance D2 greater than a distance D1, for the third position in which a distance in the direction of movement between the first detected part 70 and the first side wall 41 is a distance D3 less than a distance D2.
[0129] [00129] Therefore, when the detected rotating body 50 is in the first position, the first and second detected parts 70 and 71 are retracted inwards from the outermost position. This feature can prevent the first and second detected parts 70 and 71 from being in contact with, or picked up by, members inside the body box 2 when a developer cartridge 7 is installed in, or removed from, the body box 2 That is, the feature can prohibit preventing the first and second detected parts 70 and 71 from installing or removing the development cartridge 7 inside the body box 2.
[0130] [00130] In other words, the developing cartridge 7 is configured as allowing the first and second detected parts 70 and 71 of the detected rotating body 50 to move along the central axis line 681 running parallel to the central axis line 511 which is the axis line of the rotating inlet gear 45. Consequently, the first and second detected parts 70 and 71 are movable inward or outward with respect to the first sidewall 41, while the characteristics in the Prior Art allow that the first and second detected parts 70 and 71 of the detected rotating body 50 only move around the central axis line 681. Consequently, this may prohibit preventing the first and second detected parts 70 and 71 from being installed or removing the development cartridge 7 inside the body box 2.
[0131] [00131] Also, because the first and second detected parts 70 and 71 are retracted inwards from the outermost position before and after the detected rotating body 50 moves, this feature can prevent a shock of the first and the second detected parts 70 and 71 with other members after a developing cartridge 7 is removed from the body box 2. Thus, damage of the first and second detected parts 70 and 71, for example, from a collision with other elements, can be prevented after the development cartridge 7 is removed from the body box 2.
[0132] [00132] In other words, the developing cartridge 7 is configured as allowing the first and second detected parts 70 and 71 of the detected rotating body 50 to move along the central axis line 681 running parallel to the central axis line 511 which is the rotational axis line of the input gear 45. Consequently, the first and second detected parts 70 and 71 are movable inward or outward with respect to the first sidewall 41, while the feature in the Prior Art allows the first and second detected parts 70 and 71 of the detected rotating body 50 only move around the central axis line 681. Consequently, the damage of the first and second detected parts 70 and 71, for example, from a collision with other members can be prevented after the development cartridge 7 is removed from the body box 2.
[0133] [00133] The detected rotating body 50 is rotatably supported around the central axis line 681 which extends in the direction from right to left, along which the detected rotating body 50 is movable, and rotates in the direction of rotation R by a driving force transmitted to the input gear 45. However, the sliding part 79 is formed on the first side wall 41. The sliding part 79 includes the inclined surface, inclined in such a way that the inclined surface 80 is further away from from the first sidewall 41 as it goes downstream in the direction of rotation R. In response to the rotation of the detected rotating body 50 in the direction of rotation R, the support part 75 of the detected rotating body 50 slides along the inclined surface 80 as the detected rotating body 50 moves from the first position to the third position and, more specifically, as the detected rotating body 50 moves from the first position to the second position. Therefore, it is ensured that the first and second detected parts 70 and 71 of the detected rotating body 50 can be moved from the initial position to the most external position. In other words, the sliding part 79 (specifically, the inclined surface 80) performs a function as a cam to form a rotational movement around the axes of the input gear 45, the intermediate gear 48 and the agitator gear 49 for the movement of the detected rotating body 50 movable in the direction parallel to the central axis line 511.
[0134] [00134] Downstream from the inclined surface 80 in the direction of rotation R is the parallel surface 81 running parallel to the first side wall 41, formed integrally with the inclined surface 80. Therefore, while the support part 75 of the detected rotating body 50 is in contact with the parallel surface, the detected rotating body 50 can be held in the second position, and thus the first and second detected parts 70 and 71 which have been moved to the outermost position can also be held in this position.
[0135] [00135] The development cartridge 7 is provided with the agitator 16. The agitator 16 is rotatably supported on the first and second side walls 41 and 42, and is rotated by a driving force given to the input gear 45. The rotation of the agitator 16 can agitate the developer contained in the housing 13.
[0136] [00136] The developing cartridge 7 is also provided with the agitator gear 49. The detected rotating body 50 includes its circumferential surface around the central axis line 681. The toothless part 78 is formed on a part of the circumferential surface, and the gear teeth 77 are formed on the remainder (other than the toothless part 78) of the circumferential surface. The gear of the gear teeth 77 with the gear teeth 67 of the agitator gear 49 transmits the driving force received by the input gear 45, through the agitator gear 49, to the detected rotating body 50. The detected rotating body 50, then, it moves from the first position to the third position during rotation in the direction of rotation R. When the detected rotating body 50 moves to the third position, the toothless part 78 on the circumferential surface of the detected rotating body 50 confronts with the agitator gear 49, and the gear teeth 77 on the circumferential surface of the detected rotating body 50 is disengaged from the gear teeth 67 of the agitator gear 49. Therefore, when the detected rotating body 50 moves to the third position, the detected rotating body 50 can be left empty, regardless of the position of the agitator gear 49.
[0137] [00137] The protrusion 83 projects from the first side wall 41, which extends in the direction from right to left. The wire spring 84 is wound around the protrusion 83. An end part of the wire spring 84 is in contact with the side of the detected rotating body 50, opposite the first side wall 41. This feature presses the detected rotating body 50 against the first side wall 41. Thus, the detected rotating body 50 can be pressed against the first side wall 41 by such a simple structure of the wire spring 84, and the detected rotating body 50 can safely be moved from the second position to the third position .
[0138] [00138] In addition, the detected rotating body 50 includes the pressed second part 73, which is in contact with the wire spring 84 from upstream in the direction of rotation R when the detected rotating body 50 is in the third position. Therefore, the wire spring 84 can press the detected rotating body 50 in the direction of rotation R as well as against the first side wall 41 when the detected rotating body 50 is in the third position. Therefore, the detected rotating body 50 can be fixed in both the direction of movement and the direction of rotation R.
[0139] [00139] The detected rotating body 50 as a whole including the first and second detected parts 70 and 71 is covered by the gear cover 86. Furthermore, the first and second detected parts 70 and 71 are exposed outside the gear cover 86 when the detected rotating body 50 is in the second position. Therefore, preventing the first and second detected parts 70 and 71 to install or remove the development cartridge 7 inside the body box 2, and the damage of the first and second detected parts 70 and 71, for example, from collision with other members, they can be assuredly prevented, while the detected rotating body 50 can be assuredly detected by the detection unit mounted inside the body box 2 when the detected rotating body 50 is in the second position.
[0140] [00140] Each position of the first and second detected parts 70 and 71 in the direction of rotation R is not limited to the position explained above, and is freely interchangeable by changing the positions of the detected rotating body 50 and the sliding part 79 in the direction of rotation A. As such, each position of the first and second detected parts 70 and 71 in the direction of rotation R when the detected rotating body 50 is in the second position can be changed to any angle between 360 degrees around the axis axis 681. This increases the level of freedom to dispose the actuator 91 and the light sensor 92 in the body housing 2 supporting the development cartridge 7. 6. Modified Modalities (1) Modified Modality 1
[0141] [00141] In the configuration of the mode explained above, a distance D1 (see Figure 3) in the direction from right to left between the front end of the first detected part 70 and the first side wall 41 when the detected rotating body 50 is in the first position is identical at a distance D3 (see Figure 10B) in the right to left direction between the front end of the first detected part 70 and the first side wall 41 when the detected rotating body 50 is in the third position. However, a distance D3 can be greater or less than a distance D1, provided that a distance D3 is less than a distance D2 (see Figure 8B) in the right to left direction between the front end of the first detected part 70 and the first side wall 41. (2) Modified Modality 2
[0142] [00142] In the configuration of the mode explained above, the front ends of the first and second detected parts 70 and 71 are arranged substantially flush with the left end surface of the projection 88 of the gear cover 86 when the detected rotating body 50 is in the first or third position. However, the front ends of the first and second detected parts 70 and 71 can be completely hidden within the gear cover 86, or can substantially project outwardly from the gear cover 86, when the detected rotating body 50 is in the first or third position. (3) Modified modality 3
[0143] [00143] While the gear cover 86 is installed outside the first side wall 41 in the previous mode, it can be included in the first side wall 41. That is, the first side wall can be configured as the combination of the gear cover 86 and the first sidewall 41 as an example of a sidewall body. In this case, the detected rotating body 50 can be installed on the side wall body, or on the gear cover 86. (4) Modified modality 4
[0144] [00144] If the sliding part 79 only includes, on its left side surface, a parallel surface running parallel to the first side wall 41, a circular arc shaped support part (instead of the support part 75 of the detected rotating body 50) can be configured around the central axis line 681 on the right side surface of the toothless gear part 69, and an inclined surface can be formed on the right end surface of this support part in such a way that the inclined surface is further away from the first side wall 41 as it goes downstream of the direction of rotation R of the detected rotating body 50. This configuration can also allow the detected rotating body 50 to move from the first position to the third position in response to rotation of the detected rotating body 50. (5) Modified Modality 5
[0145] [00145] In the configuration of the mode explained above, the detected rotating body 50 includes the toothless gear part 69, and the sliding part 79 is configured between the first side wall 41 and the detected rotating body 50. Also, the driving force is transmitted from the agitator gear 49 to the toothless gear part 69, and the first and second detected parts 70 and 71 advance or retract during rotation in the direction of rotation R in response to rotation of the rotating body detected 50. In place of this configuration, the characteristics illustrated in Figures 12 and 13 can be used.
[0146] [00146] Specifically, in the configuration illustrated in Figure 13, a toothless gear 101 and a detected body 102 are provided on the outside of the first side wall 41.
[0147] [00147] The toothless gear 101 is disposed in front of the agitator gear 49 (see Figure 4), in the same arrangement as the rotating body detected 50 in Figure 4. The toothless gear 101 is provided rotatably around the central axis 104, which is an example of the third axis line of a rotation axis 103 extending from right to left. A rotation axis 103 is not rotatably supported on the first side wall 41.
[0148] [00148] Furthermore, the toothless gear 101 is substantially in the shape of a semicircular plate, and includes gear teeth 105 on its circumferential surface. Specifically, the toothless gear 101 is similar to a fan-shaped plate when viewed from around the 205-degree angle side. A toothless part 106 is allocated in a flat form part on the circumferential surface of the toothless gear 101, and the gear teeth 105 are formed on the remaining arc-shaped part (other than the toothless part 106) of the circumferential surface . Depending on the rotational position of the toothless gear 101, the gear teeth 105 can be engaged with the smaller diameter portion 65 of the agitator gear 49.
[0149] [00149] Toothless gear 101 includes a sliding part 107 integrally formed on the left end surface (outer surface) of gear 101. A sliding part 107 includes (a) an inclined surface 108 deflected so as to be further away from the side surface left (the first side wall 41) of the toothless gear as it goes upstream in the direction of rotation R, which is an example of the second direction of the toothless gear 101, and (b) a parallel surface 109 that extends to starting upstream of the inclined surface 108 in the direction of rotation R and running parallel to the left side surface (the first side wall 41) of the toothless gear 101.
[0150] [00150] The detected body 102 is supported on a rotation axis 103, and is movably provided in the direction from right to left. The detected body 102 includes, as an integral body, a circular plate-shaped body 110, the insert penetration protrusion 111 and a detected part 112 projecting from the left side surface (outer surface) of the body 110, and a part support 113 projecting from the right side surface (inner surface) of the body 110.
[0151] [00151] The wire spring 84 (see Figure 4) is in contact with the left side surface of the body 110 from the left side, and presses the body 110 against the first side wall 41.
[0152] [00152] The insertion penetration projection 111 has a cylindrical shape, coaxially arranged with the body 110. The detected body 102 is provided movably along an axis of rotation 103 by inserting an axis of rotation 103 in the penetration projection insert 111, and through which a axis of rotation 103 passes through The insert penetration protrusion 111, in a freely movable manner.
[0153] [00153] The detected part 112 is in a plate format that extends both in the direction from right to left and in the diametrical direction of the body 110 on the left side surface of the body 110. Also, the detected part 112 has a trapezoidal shape, when viewed from the top, including an inclined surface 112A that is angled to be closer to the left side as it goes to the front.
[0154] [00154] The support part 113 has the shape of a rectangular plate that extends both in the direction from right to left and in the diametrical direction of the body 110.
[0155] [00155] As shown in Figure 12, instead of opening 89, as illustrated in Figure 2, a configured rectangular opening 114 is formed in place of the gear cover 86 corresponding to the detected part 112.
[0156] [00156] In a new development cartridge 7, as shown in Figure 13, the support part 113 of the measurement part 102 is positioned downstream from the inclined surface 108 of a sliding part 107 in the direction of rotation R, and so it is in contact with the left side surface of the toothless gear 101. In addition, the lower part of the gear teeth 105 of the toothless gear 101, downstream in the direction of rotation R, is engaged with the gear teeth 66 of the agitator gear 49. In addition, the detected part 112 is accommodated in the gear cover 86, and thus is not projected out of the opening 114.
[0157] [00157] The position of the detected body 102 in the direction from right to left at this moment is an example of the first position as the starting position. In addition, a distance D1 (see Figure 13) from right to left between the front end of the detected part 112 and the first side wall 41 is an example of the first distance.
[0158] [00158] In a new development cartridge 7, the gear teeth 66 of the agitator gear 49 engage with the gear teeth 105 of the detected body 102. Thus, when the agitator gear 49 rotates in the course of the heating operation of the laser printer 1, the toothless gear 101 rotates in the direction of rotation R subject to rotation of the agitator gear 49. The rotation of the toothless gear 101 allows the supporting part 113 of the detected body 102 to slide towards the inclined surface 108 on the left side surface of the toothless gear 101, and consecutively slide towards the parallel surface 109 on the inclined surface 108. Therefore, the detected body 102 moves gradually to the left. That is, the detected body 102 advances gradually in the left direction without any rotational movement, and thus the front end of the detected body 102 projects outwardly from the opening 114 of the gear cover 86.
[0159] [00159] Furthermore, when the support part 113 moves on the parallel surface 109 in response to rotation of the toothless gear 101, the distance in the right to left direction between the front end of the detected part 112 and the first wall lateral 41 becomes the maximum, thus making the position of the detected body 102 the second position.
[0160] [00160] Thereafter, when the toothless gear 101 rotates further, the support part 113 falls from the parallel surface 109 to the left side surface of the toothless gear 101. The detected body 102 then moves to the right by a travel by the pressure of the wire spring 84. As a result, the detected part 112 retracts to the right, and its front end sinks under the gear cover 86, thus making the position of the detected body 102 the third position.
[0161] [00161] The detected body 102 is detected by a measurement unit (not shown) installed in the body box 2 when the distance in the right to left direction between the front end of the detected part 112 and the first side wall 41 is the maximum. For example, a light sensor including a light emitting element and a light receiving element, both facing each other, are installed in body housing 2. An actuator is provided in a location that confronts the detected part 112 in the right to left direction in body box 2, and can swing around an axis line that extends from right to left. While the detected body 102 is moved from the first position to the second position, the inclined surface 112A of the detected part 112 is in contact with the actuator. As the detected part 112 therefore moves, the inclined surface 112A pushes the actuator away, which then runs the detected part 112 outwardly outward. Then, when the distance from the right to left direction between the front end of the detected part 112 and the first side wall 41 is the maximum, the actuator becomes arranged along the light path from the light emitting element to the light-receiving element and thus shields the light path. In this way, the detected body 102 can be detected by the light sensor.
[0162] [00162] The configurations shown in Figures 12 and 13 can perform the same technical effects as the previously explained modality.
[0163] [00163] As mentioned above, the support part 113 of the detected body 102 has the shape of a rectangular plate that extends both in the direction from right to left and in the diametrical direction of the body 110, and a sliding part 107 of the gear without teeth 101 includes the inclined surface 108 and the parallel surface 109. Alternatively, the support part 113 can include (a) an inclined or oblique surface such that the inclined surface is further away from the right side surface of the body 110 of the detected body 102 as it goes upstream in the direction of rotation R of the toothless gear 101, and (b) a parallel surface extending from upstream of the inclined surface in the direction of rotation and running parallel to the right side surface of the body 110. In these alternative features, the sliding part 107 of the toothless gear 101 has the shape of a rectangular plate that extends both in the direction d right to left and in the diametrical direction of the toothless gear 101. (6) Modified modality 6
[0164] [00164] In the configuration of the mode explained above, when the development cartridge 7 is of a new brand, the wire spring 84 presses the toothless gear part 69 of the detected rotating body 50 against the first side wall 41, and also presses the first part pressed 72 behind the detected rotating body 50. Alternatively, the characteristics can be selected as shown in Figures 14A, 14B, 14C, 15A, 15B, 16A and 16B. For clarity, the structures in Figures 14A to 16B distinguished from the previous modality are only explained below.
[0165] [00165] As illustrated in Figure 14A, the first side wall 41 has a cylindrical agitator axis of rotation insert penetration 141 that extends from right to left.
[0166] [00166] The agitator gear 49 includes a cylindrical part 142 having an inner diameter substantially larger than the outer diameter of the rotating shaft of the agitator rotating shaft insert penetration part 141. Still, the larger gear part diameter 64 has the shape of a circular plate (flange) that protrudes circumferentially from the center of the axis line of the cylindrical part 142, and includes gear teeth on its circumferential surface. The cylindrical part 142 has a side of the smaller diameter gear part 65 that confronts the larger diameter gear part 64. The smaller diameter gear part 65 includes gear teeth on its circumferential surface.
[0167] [00167] On the inner side of the cylindrical part 142 a cylindrical agitator rotation axis fixation part 143. The agitator rotary axis fixation part 143 has a central axis line identical to that of the cylindrical part 142.
[0168] [00168] Corresponding to the rotation axis of the insertion part of the agitator rotation axis 141, the mounting part 4 is formed on the inner side of the gear cover 86. When the gear cover 86 is installed on the first side wall 41, the mounting part 144 has a cylindrical shape, coaxially arranged with the axis of rotation of the penetrating part of the agitator axis of rotation 141 and has an outer diameter substantially smaller than the inner diameter of the cylindrical part 142 that is, an outside diameter substantially the same as the outside diameter of the rotating shaft of the penetrating part of the stirring shaft of the insert 141.
[0169] [00169] The agitator gear 49 is rotatably supported between the first side wall 41 and the gear cover 86 by inserting the axis of rotation of the penetrating part of the axis of rotation of the agitator 141 at the end of the cylindrical part 142 on the side of the larger diameter gear part 64, and by providing the mounting part 144 at the other end of the cylindrical part 142 when the gear cover 86 is installed on the first side wall 41.
[0170] [00170] Then, the agitator shaft 62 (see Figure 6) is inserted into, and passes through, the agitator rotation shaft insert penetration part rotation axis 141, and the left end of the agitation shaft agitator 62 is inserted into the agitator pivot axis attachment portion 143. The left end of the agitator shaft 62 has a D-section shape, wherein a part of the circumferential surface is formed as a flat surface. The inner circumferential surface of the agitator pivot attachment portion 143 includes the convex surface which is capable of being in surface-to-surface contact with the flat surface of the left end of the agitator shaft 62. Thus, when the end To the left of the agitator shaft 62 is inserted into the agitator pivot attachment portion 143, the agitator pivot attachment portion 143 is not rotatably coupled to the agitator shaft 62.
[0171] [00171] A axis of rotation 68 of the detected rotating body 50 is integrally formed with the first side wall 41, and has a cylindrical shape that extends to the left from the first side wall 41.
[0172] [00172] Correspondingly to the axis of rotation 68, a projection 145 is formed on the inner surface of the gear cover 86. The projection 145 is designed to be coaxially arranged with a axis of rotation 68 when the gear cover 86 is installed in the first side wall 41. The base end 145A of the projection 145 is in a cylindrical shape having an outside diameter substantially smaller than the inside diameter of the insert penetration protrusion 76 and substantially larger than the inside diameter of a rotating axis 68 The front end 145B of the projection 145 is in the form of a cylindrical column having an outside diameter substantially smaller than the inside diameter of a axis of rotation 68.
[0173] [00173] The detected rotating body 50 is rotatably supported between the first side wall 41 and the gear cover 86 by inserting the front end 145B of the projection 145 into the axis of rotation 68 when the front end of a axis of rotation 68 is inserted into the insert penetration protrusion 76, and gear cover 86 is installed on the first side wall 41.
[0174] [00174] In addition, being inserted in the insertion penetration protrusion 76 and the projection 145, a helical spring 146, as an example of a pressure member, is provided between the toothless gear part 69 of the detected rotating body 50 and the inner surface of the gear cover 86. The pressure force (elastic force) of the coil spring 146 presses the detected rotating body 50 against the first side wall 41.
[0175] [00175] As shown in Figure 16B, a substantially circular arc pressure portion 147, which extends substantially in the diametrical direction of the largest diameter gear part 64, is formed on the left side surface of the largest diameter gear part 64 of the agitator gear 49. Corresponding to the pressed part 147, the pressed part 148 having the shape of a cylindrical column protrudes to the right from the right side surface of the toothless gear part 69 of the detected rotating body 50.
[0176] [00176] As shown in Figures 14B and 14C, in a new development cartridge 7, the first and second detected parts 70 and 71 of the detected rotating body 50 are arranged in front of, and in front of below, a axis of rotation 68, respectively. The gear teeth 77 of the detected rotating body 50 are not engaged with the gear teeth 66 of the agitator gear 49, because a lower part of the gear teeth 77 downstream in the direction of rotation R is above the agitator gear 49 Furthermore, the support part 75 of the detected rotating body 50 is in contact with an upstream part in the direction of rotation R from the inclined surface 80 on the left side surface of a sliding part 79. In addition, the pressure part 147 of the agitator gear 49 is in contact with the pressed portion 148 of the detected rotating body 50 from upstream of the direction of rotation of the agitator gear 49.
[0177] [00177] The position of the rotating body detected 50 in the direction from right to left, at this moment, is an example of the first position as the starting position.
[0178] [00178] When the agitator gear 49 starts to rotate in the course of a heating operation of the laser printer 1, the pressure part 147 presses the pressed part 148, and the pressure allows the detected rotating body 50 to rotate in the direction of rotation R, as shown in Figures 15A and 15B. Following the rotation of the detected rotating body 50, the support part 75 of the detected rotating body 50 slides towards the inclined surface 80 on the left end surface of a sliding portion 79, and continuously slides towards the parallel surface 81 on the inclined surface 80 As a result, the detected rotating body 50 gradually moves to the left, while rotating like this.
[0179] [00179] When the detected rotating body 50 rotates further, the gear teeth 77 of the detected rotating body 50 are engaged with the gear teeth 66 of the agitator gear 49, as shown in Figure 16B. Then, rotation of the agitator gear 49 is transmitted through gear teeth 66 and 77 to the detected rotating body 50, thereby causing the rotating body 50 to rotate in the direction of rotation R.
[0180] [00180] As the detected rotating body 50 rotates further, the detected rotating body 50 is disposed in the furthest position to the left (the second position) when the support part 75 of the detected rotating body 50 moves from the inclined surface 80 for the parallel surface 81, as shown in Figure 16A. Then, the support part 75 moves along the parallel surface 81.
[0181] [00181] When the detected rotating body 50 rotates further, the support part 75 faces, and is provided in, the notch part 82 (see Figure 8B). Then, the pressure force of the coil spring 146 allows the detected rotating body 50 to move to the right by a stroke. At the same time, the gear teeth 77 of the detected rotating body 50 are also disengaged with the gear teeth 67 of the agitator gear 49, and then the rotation of the detected rotating body 50 ceases.
[0182] [00182] However, the position in the right to left direction of the detected rotating body 50 is an example of the third position.
[0183] [00183] Alternatively, as the combination of the configurations in the modified modes 5 and 6, the detected body 102 can be pressed by the helical spring 146. (7) Modified modality 7
[0184] [00184] In the configurations of the mode explained above, the detected rotating body 50 includes the toothless gear part 69, and the gear teeth 77 are formed on the circumferential surface of the toothless gear part 69. In place of the gearless gear part teeth 69, for example, it can alternatively be introduced as shown in Figure 17, in which a body 171 is similar to a fan-shaped plate around an axis of rotation 68 of the detected rotating body 50, and that a member of resistance generation 172 is made of a material with a higher coefficient of friction, such as rubber, and is wrapped around the circumference of the body 171. In this case, the circumferential surface of the smaller diameter gear part 65 of the agitator gear 49 may not, or need not, include gear teeth 67. Body 171 and resistance generating member 172 are designed in such a way that a part172B having a smaller diameter than the outer diameter the end of the resistance generating member 172 is not in contact with the smaller diameter gear part 65, and an arc surface 172A of the member 172 is in contact with the circumferential surface of the smaller diameter gear part 65. (8) Modified modality 8
[0185] [00185] In the configurations of the mode explained above, the detected rotating body 50 includes the first and second detected parts 70 and 71, the first and second pressed parts 72 and 73, and the connecting part 74, all of which protrude from the left side surface of the toothless gear part 69. Alternatively, as shown in Figure 18, the first and second detected parts 70 and 71, the first and second pressed parts 72 and 73, and the connecting part 74 can, all, be made as an integral body, while the toothless gear part 69 is separately made from such an integral body. The integral body can be coupled with the separate toothless gear part 69 so as not to allow relative rotation, but to allow rotation as a whole.
[0186] [00186] In this structure, for example, two projections 181 are formed on the integral body including the second detected part 71, the first and second pressed parts 72 and 73, and the connecting part 74, and two corresponding recesses 182 are formed in the toothless gear part 69. Then, by providing each protrusion 181 in each recess 182, the integral body and the toothless gear part 69 can be connected to rotate as a whole. (9) Modified Mode 9
[0187] [00187] In the configurations of the modality explained above, the first and second side walls 41 and 42 extend forwards and backwards (from front to back direction). However, as illustrated in Figure 19, for example, the first side wall 41 can extend in a transverse direction through the front to the rear direction. In this case, the longitudinal direction, in which the first and second side walls 41 and 42 both face, can be the direction from right to left, that is, the transverse direction crossing the second side wall 42 at a right angle. . In addition, the input gear 45 can be provided rotatably around the central axis line 511 which extends from right to left. Alternatively, the longitudinal direction in which the first and second side walls 41 and 42 both meet, can be the transverse direction crossing the first side wall 41 at a right angle, and the input gear 45 can be provided rotatably around the central axis line 511 extending in this transverse direction. (10) Modified Modality 10
[0188] [00188] Still, in the configuration in which the first and second side walls 41 and 42 extend in the front to rear direction, the longitudinal direction in which the first and second side walls 41 and 42, both face, is not limited to the right-to-left direction, that is, the transverse direction crossing the first and second side walls 41 and 42 at a right angle, and may include a direction in which a certain part of the first side wall 41 faces a certain part of the second side wall 42. In other words, as illustrated in Figure 20, the direction facing the first and second side walls 41 and 42 includes an inclined direction with respect to the right to left direction, and the input gear 45 it can be provided rotatably around the central axis line 511 which extends in such an inclined direction. (11) Modified modality 11
[0189] [00189] With respect to the modality and the modified modalities, the invention is explained above as an example when it applies to a development cartridge 7. However, the invention here is not limited to a development cartridge 7, and may apply to any cartridge other than a developer cartridge, such as the feature that excludes developer roller 18, i.e., a developer cartridge accommodating only one developer or both developer and agitator in a housing. Explanation of Signs 1 Laser Printer 2 Body box 7 development cartridge 13 Accommodation 16 Shaker 17 Shaft rotation axis line 41 First sidewall 42 Second side wall 45 Input gear 49 Agitator gear 50 Rotating body detected 56 Drive output member 73 Second half pressed 77 Gear teeth 78 Part without teeth 79 Sliding part 80 Inclined surface 81 Parallel surface 83 Boss 84 Wire spring 86 Gear cover 101 Part without teeth 102 Detected body 104 Center axis line 106 Part without teeth 511 center axis line 681 center axis line

权利要求:
Claims (18)
[0001]
Cartridge, (7), For Imaging Apparatus, to be removably installed in a main body (2) of an imaging equipment, comprising: a housing (13) for accommodating a developer (14) therein, where the housing (13) has a first side wall (41) and a second side wall (42), characterized in that both face off; a passive unit for receiving a driving force from an output operational unit provided in the main body (2), in which the passive unit is mounted on the first side wall (41) and can rotate around a first line axis extending in an opposite direction, in which the first and second side walls (41, 42) meet; and a detected body (102) mounted on the first side wall (41) and having a portion detected to be detected by a detection unit provided in the main body (2); wherein the detected body (102) advances outward in the opposite direction in relation to the first side wall (41) by the actuation force received by the passive unit and retracts inwards in the opposite direction in relation to the first side wall (41).
[0002]
Cartridge, (7), for Imaging Apparatus, according to Claim 1, characterized in that it further comprises an agitator (16) for agitating a developer (14) contained in the housing (13), wherein the agitator (16 ) is supported on the first and second side walls, in order to be able to rotate around a second axis line that extends parallel to the first axis line and rotates by the actuation force received by the passive unit, where the detected body (102) is installed in an oscillating way in a direction of movement parallel to the first axis line and wherein the detected body (102) is movable from a first position where the distance in the direction of movement between the detected body (102) and the first side wall (41) is a first distance, through a second position where the distance in the direction of movement between the detected body (102) and the first side wall (41) is a second distance greater than the first distance, for a third position where the distance in the direction of travel between the detected body (102) and the first side wall (41) is a third distance shorter than the second distance.
[0003]
Cartridge, (7), For Imaging Apparatus, according to Claim 2, characterized in that the first distance is the same as the third distance.
[0004]
Cartridge, (7), For Imaging Apparatus, according to Claim 2 or 3, characterized in that the detected body (102) is rotatably mounted around a third axis line that extends parallel to the first line of image axis and is movable from the first position, through the second position, to the third position, by rotation in a first direction, wherein the first side wall (41) has a sliding part on which a contact part of the detected body (102) slides as the detected body (102) moves from the first position to the third position and wherein either of the contact part and the sliding part has an inclined surface deviated so as to be further away from the first side wall (41) as it passes downstream in the first direction.
[0005]
Cartridge, (7), For Imaging Apparatus, according to Claim 4, characterized in that any of the contact part and the sliding part, with the inclined surface, comprises a parallel surface that extends continuously from the inclined surface downstream in the first direction and connected parallel to the first side wall (41).
[0006]
Cartridge, (7), For Imaging Apparatus, according to Claim 4, characterized in that it further comprises a transmission gear to transmit the driving force received by the passive unit to the detected body (102), where the detected body (102) has a circumferential surface around the third axis line, wherein the detected body (102) has a toothless part (78) formed on a part of the circumferential surface and gear teeth (77) formed on the remainder other than the toothless part (78) of the circumferential surface and wherein the gear teeth (77) engage with the transmission gear as the detected body (102) moves from the first position to the third position.
[0007]
Cartridge, (7), For Imaging Apparatus, according to Claim 4, characterized in that it further comprises a pressure member for pressing the detected body (102) against the first side wall (41).
[0008]
Cartridge, (7), For Imaging Apparatus, according to Claim 7, characterized in that it further comprises a projection (83) which extrudes from the first side wall (41) and extends in the direction of movement, wherein the pressure member is a wire spring (84) wound around the projection (83) and having a contact end with the side of the detected body (102) opposite the first side wall (41).
[0009]
Cartridge, (7), For Imaging Apparatus according to Claim 8, characterized in that the detected body (102) has a pressed surface with which one end of the wire spring (84) is in contact in the first direction, when the detected body (102) is in the third position.
[0010]
Cartridge, (7), For Imaging Apparatus, according to Claim 7, characterized in that the first side wall (41) has a main body (2) with a side wall and a lid, connected to the outer side of the body main (2) side wall in the opposite direction to cover the detected body (102) and wherein the pressure member is a helical spring (146) interposed between the detected body (102) and the cover and being in contact with the detected body (102).
[0011]
Cartridge, (7), For Imaging Apparatus, according to Claim 2 or 3, characterized in that it further comprises a rotating body installed on the first side wall (41), so as to be rotatable around a third line axis which extends parallel to the first axis line, in which the rotating body rotates in a second direction by the actuation force received by the passive unit, wherein the detected body (102) is installed so as to be movably returnable in a direction parallel to the first axis line and to maintain the position of the detected body (102) around the third axis line and wherein the rotating body has an inclined surface on which a contact part of the detected body (102) slides as the detected body (102) moves from the first position to the third position, where the inclined surface is inclined so as to be further away from the first side wall (41) as it passes upstream in the second direction.
[0012]
Cartridge (7) For Imaging Apparatus according to Claim 11, characterized in that the rotating body has a parallel surface that extends continuously from the upwardly inclined surface in the second direction and connected parallel to the first wall side (41).
[0013]
Cartridge, (7), For Imaging Apparatus, according to Claim 11, characterized in that it further comprises a transmission gear to transmit the driving force received by the passive unit to the rotating body, wherein the rotating body has a toothless part (78) formed on a part of a circumferential surface around the third axis line and gear teeth (77) formed on the remainder other than the toothless part (78) of the circumferential surface and wherein the gear teeth (77) are engaged with the transmission gear as the detected body (102) moves from the first position to the third position.
[0014]
Cartridge, (7), For Imaging Apparatus, according to Claim 11, characterized in that it further comprises a pressure member for pressing the detected body (102) against the first side wall (41).
[0015]
Cartridge, (7), For Imaging Apparatus, according to Claim 14, characterized in that it further comprises a projection (83) extruding from the first side wall (41) and extending in the direction of movement, wherein the pressure member is a wire spring (84) wound around the projection (83) and having a contact end with the side of the detected body (102) opposite the first side wall (41).
[0016]
Cartridge, (7), for Imaging Apparatus according to Claim 14, characterized in that the first side wall (41) has a main body (2) with a side wall and a lid connected to the outside of the main body (2) side wall in the opposite direction to cover the detected body (102) and wherein the pressure member is a helical spring (146) interposed between the detected body (102) and the cover and being in contact with the detected body (102).
[0017]
Cartridge, (7), For Imaging Apparatus, according to Claim 2 or 3, characterized in that the first side wall (41) has a main body (2) with a side wall and a lid connected to the outside of the main body (2) with side wall in the opposite direction to cover the detected body (102) and wherein the detected body (102) is disposed inside the cover, when the detected body (102) is in the first and third positions, and the detected body (102) is exposed from the cover, when the detected body (102 ) is in the second position.
[0018]
Cartridge, (7), For Imaging Apparatus, according to any one of Claims 1 to 3, characterized in that it further comprises a development roller (18) installed between the first and the second side walls, in order to be rotatable about a fourth axis line that extends parallel to the first axis line, at a distance, and rotating by the actuation force received by the passive unit.

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法律状态:
2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

---

2019-10-22| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

---

2020-06-30| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|

---

2020-11-17| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2021-01-12| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/03/2011, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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JP2010083408A|JP4919124B2|2010-03-31|2010-03-31|cartridge|

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JP2010-083408|2010-03-31|

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PCT/JP2011/057946|WO2011125695A1|2010-03-31|2011-03-30|Cartridge|

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