• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The multi-pencil (100) comprises a tubular main body (3), a guide tube (2) engaged with the main body (3) and a plurality of sliding portions connected to each of a plurality of supported drawing materials inside the guide tube (2) and slidably arranged with a given stroke relative to the main body (3). Advancing a given stroke of any one of the plurality of sliding portions, e.g. (8A), relative to the main body (3) causes an output of the drawing material (M1) connected to the sliding portion (8A). ) from the guide tube (2) and the relative rotation of the guide tube (2) and the main body (3) in one direction from this state causes an advancement of the drawing material (M1).
    公开号:FR3021584A1
    申请号:FR1555019
    申请日:2015-06-02
    公开日:2015-12-04
    发明作者:Yoshikazu Tani
    申请人:Tokiwa Corp；
    IPC主号:
    专利说明:

    [0001] TECHNICAL FIELD The present invention relates to a pen or pencil with multiple points for extruding or pushing one of the drawing materials.
    [0002] BACKGROUND OF THE INVENTION As a conventional multi-point pen, for example, that described in the Japanese utility model published under No. 5-39418 is known. This document discloses a cosmetic material extruder container comprising, as components of the outer portion, a cylindrical main body having a plurality of longitudinal orifices and a conical tube rotatably embedded in the front portion of the main body and shaped to its anterior part is tapered. Inside this extruder container of cosmetic material are arranged: a plurality of segments or thrust pieces provided with push buttons protruding from the longitudinal orifices of the main body, a plurality of threaded tubes connected to the front part of each thrust segment a plurality of connecting tubes rotatably connected to the anterior portion of each threaded tube and a plurality of support tubes disposed on the front portion of each connecting tube.
    [0003] The front end of the conical tube has a rectangular introduction orifice and the support tube also has a rectangular shape allowing it to be introduced into the insertion orifice of this conical tube. Inside the threaded tubes and connecting tubes is inserted a thrust rod with a protruding portion and this protruding portion of the push rod is screwed into the threaded portion of the threaded tubes.
    [0004] A concentric chuck loaded with rod-shaped cosmetic material is connected to the anterior portion of the push rod. When advancing a thrust segment in a longitudinal orifice in the cosmetic material extruder container described in the above document, the threaded tube, the connecting tube, the support tube, the push rod and the mandrel concentric tightening all advance together. The support tube, itself, advances along the inner surface of the conical tube 15 and is introduced into the introduction port non-rotatively while bending the threaded tube and the connecting tube. If, from this state, the conical tube is rotated in a direction relative to the main body, the support tube, the connecting tube and the thrust rod rotate with the conical tube. The push rod advances relative to the threaded tube and at the same time the concentric clamping mandrel also projects, which results in pushing the cosmetic material forward from the support tube.
    [0005] Prior Art Document Patent Document Patent Document 1: Japanese Utility Model Publication No. 5-39418 3021584 Summary of the Invention Problem to be Solved In the cosmetic material extruder container described above above, the rotation of the conical tube in the other direction relative to the main body causes a recoil of the push rod relative to the threaded tube. The retraction of the push rod is accompanied by a backward return of the drawing material gripped by the concentric clamping mandrel, because the concentric clamping mandrel 10 connected to the front part of the push rod grasps the material. such as the cosmetic material in the form of a rod. Because the concentric chuck retraces the drawing material while grasping them, there is a problem; the drawing materials must be made from relatively hard materials and therefore the drawing materials made from soft materials can not be used. In addition, in the cosmetic material extruder container described above, there may be a risk of excessively backtracking the drawing material and in such a case it will be necessary to further advance the drawing material at its next use, which is a point for improvement in ease of use.
    [0006] It is therefore an object of the present invention to provide a multi-pointed pencil which makes it possible to use drawing materials made from soft materials and to improve ease of use. Means for Solving the Problem In order to solve the above problem, the multi-pencil according to the present invention is a multi-pointed pencil comprising: a cylindrical main body; a cylindrical guide tube configured to be engaged with the main body; and a plurality of sliding portions each configured to be coupled with a plurality of drawing materials retained within an interior of the guide tube and configured to be slidably produced at a constant distance relative to the main body, and wherein a the arbitrary sliding portion of the plurality of sliding parts advances at a constant distance relative to the main body, whereby the drawing material coupled to an arbitrary sliding portion is exposed from the guide tube and, in this state, the and the main body are rotated relative to one another in one direction, allowing the drawing material to advance, wherein only a forward movement of the drawing material is set by the relative rotation of the drawing material. 25 guide tube and the main body in a aforesaid direction. In this multi-point pencil, the drawing materials are connected to each of the sliding parts and the advancement of a given stroke of any of the sliding parts relative to the main body causes an output of the drawing material. connected to any of the sliding parts from the guide tube. And the relative rotation of the guide tube and the main body in one direction from this state causes advancement of the drawing material, and only the advancement of the drawing material is allowed. It is thus a configuration in which it is sufficient to design the output of drawing materials forward by the relative rotation in one direction. It is not necessary to provide a configuration to retreat the drawing material while grasping it, so it is possible to use for this multi-pointed pencil soft and hard-to-grip drawing materials. Moreover, for this multi-pencil according to the present invention, the drawing material does not recede, which avoids the need to further advance the drawing material at its next use and therefore improves the ease of use. use. As a concrete effective configuration for achieving this effect, there may be mentioned a configuration provided with a ratchet mechanism configured to allow a first relative rotation of the guide tube and the main body in a given direction and to regulate a second relative rotation of the guide tube and the main body in the other direction, which is opposite to the aforesaid direction. On the other hand, this pencil may be provided with an inner tube configured to be located on a front portion of the main body, wherein the ratchet mechanism may include protruding portions projecting from an outer surface of the inner tube. and having elasticity in a radial direction and a concave-convex portion provided on an inner surface of the guide tube and rotatably engaged with the protruding portions. In this case, the protruding portions protruding from the outer face of the inner tube as well as the concave-convex portion provided on the inner face of the guide tube may serve as a ratchet mechanism. On the other hand, the projecting portions of the inner tube may at any time abut against said concave-convex portion of the guide tube. Due to the fact that the protruding portions projecting from the outer face of the inner tube are thus at all times abutted against the concave-convex portion formed on the inner face of the guide tube, it is possible to always create a displacement resistance. between the outer face of the inner tube and the inner face of the guide tube and therefore limit the clearance between the inner tube and the guide tube. Furthermore, this pencil may further comprise a tube member configured to be positioned within an interior of the guide tube, the tube member into which the pattern material is loaded; a movable body configured to extend in an axial direction on a rear portion of the drawing material and configured to include a male screw having infinitesimal pitches on an outer circumference; and a screw tube configured to be in a synchronized manner rotatably engaged with a rear side of the tube member and configured to include a female screw which is threadingly engaged with the male screw on an inner circumference ; wherein the sliding portion advances at a constant distance relative to the main body, which allows the tube member to advance and engage the guide tube in a rotational direction, and where, in that state, the guide tube and the main body are rotated relative to each other in a aforesaid direction, whereby the moving body advances with the drawing material under the action of a threading engagement between the screw male and the female screw. In addition, the front end of the movable body may be cylindrical and provided with a flat bottom surface and the drawing material may be advanced when said bottom surface pushes the drawing material forward allowing the material drawing to move forward. This avoids in this case to provide a concentric chuck for gripping the drawing material and it suffices to provide a configuration for pushing the drawing material by means of the bottom at the front end of the cylindrical movable body. . Furthermore, this pencil may further comprise a retaining element configured to be arranged on a rear portion of the screw tube and to maintain the movable body therein, wherein a cross section of the movable body is formed into a shape. non-circular; and wherein the retaining member comprises a hole portion formed in a non-circular shape in accordance with a cross-sectional shape of the movable body. In addition, the retaining element may comprise an elastic portion which, from the outside, imparts an elastic force to the movable body introduced into the opening. In this case, this elastic force imparted from the outside by the elastic part makes it possible to maintain the movable body situated inside the opening, which makes it possible to mount the movable body on the support by conferring on it the elasticity and to dismount the movable body of the support by releasing the elastic force, the movable body can thus be removably mounted to the support. Effect of the Invention According to the present invention, it is possible to use drawing materials made from soft materials and to improve ease of use. Brief Description of the Drawings Figure 1 is a side view of the multi-pointed pencil according to the present embodiment. Fig. 2 is a perspective view of the multi-pencil of Fig. 1 with its disassembled guide tube and cartridge. FIG. 3 is a perspective view in section of the multi-pointed pencil of FIG. 1. FIG. 4 is a perspective view in section of the multi-pointed pencil of FIG. 1, with its sliding part moved to the front. . FIG. 5 is a perspective view of the parts arranged inside the multi-pointed pencil of FIG. 1. FIG. 6 is a perspective view of the parts constituting the outer part of the multi-pointed pencil of FIG. - Figure 7 is a perspective view in section of the guide tube. Figures 8 (a) and (b) are respectively a perspective view of the inner tube and a perspective view in section of the inner tube. Fig. 9 is a section A-A of Fig. 1. Fig. 10 is both a partial sectional perspective view of the support and a perspective view of the O-ring. - Figure 11 is a perspective view of the movable body. FIG. 12 is a perspective view in section of the screwing tube. - Figure 13 is a perspective view of the tubular element and the drawing material. Figure 14 is a perspective view of the sliding portion. Figure 15 (a) is a perspective view of the main body and Figure 15 (b) is a perspective view in section of the main body.
    [0007] DESCRIPTION OF EMBODIMENTS OF THE INVENTION The embodiment of the present invention will be described in detail below with reference to the figures. In the following, the identical or corresponding elements will bear the same reference and any redundant description will be omitted. Fig. 1 is a side view of the outer portion of the multi-pointed pencil according to the present embodiment, and Fig. 2 is a perspective view of the multi-pencil of Fig. 1 with its guide tube and cartridge. dismantled. As shown in FIGS. 1 and 2, the multi-point pen 100 according to the present embodiment is for extruding (pushing out) by user manipulation any of a plurality of drawing materials M1-M4. loaded respectively in four tubular elements 1A to 1D. According to the present embodiment, the drawing materials M1 to M4 each have a different color.
    [0008] As drawing materials M1-M4, a variety of stick-shaped cosmetic materials may be used such as lip stick, lip gloss, liner, eyebrow pen, lip pen, blush, concealer, balm stick, hair dye, nail polish etc. or stick-shaped mines for writing articles. In addition, it is preferable to use very soft stick products (semi-solid, soft, soft, gelatinous, foamy and pasty in combination thereof). Finally, it is possible to use small diameter stick products having an outer diameter equal to or less than 1 mm, the medium diameter stick products having an outer diameter of between 1.5 mm and 3.0 mm and the large diameter stick products having an outer diameter equal to or greater than 4.0 mm. The multi-pointed pencil 100 is provided, as a component of the outer part, with a guide tube 2 comprising tubular elements 1A to 1D loaded with drawing materials M1 to M4 and a main body 3 connected to the tube. rear end of the guide tube 2 and engaged with the guide tube 2 rotatably relative thereto. In what follows, the term "axial line" refers to a longitudinal center line of the multi-point pen 100 and the term "axial direction" refers to a longitudinal direction along that axial line. The extrusion direction of the drawing materials M1 to M4 is referred to as "forward" (forward direction) and counter-opposite "backward". A screwing tube 4A is engaged with the rear part of the tubular member 1A so as to allow synchronized rotation and a rod-shaped movable body 5A having a male thread 5a is screwed into the screwing tube 4A. This tubular element 1A, this screwing tube 4A and this movable body 5A form a refillable cartridge 10A with respect to the main body 3. The configuration of the tubular elements 1B to 1D is identical to the tubular element 1A, that is to say that is, the tubular elements 1B to 1D, the screwing tubes 4B to 4D and the moving bodies 5B to 5D respectively form the cartridges 10B to 10D.
    [0009] As shown in FIGS. 2 to 4, the rear portion of the cartridge 10A is provided with a cylinder support 6A for supporting the movable body 5A, an O-ring (elastic portion) 7A which, from the outside, gives elasticity to the support 6A, a sliding portion 8A engaged with the support 6A at the rear portion of the support 6A so as to allow synchronized rotation and a spring 9A urging the sliding portion 8A rearwardly . Likewise, as shown in FIGS. 3 to 5, and in the same manner as for cartridge 10A, the posterior portions of cartridges 10B to 10D are respectively provided with supports 6B through 6D, with O-rings 7B through 7D, with portions sliding 8B to 8D and springs 9B to 9D. As described above, inside the guide tube 2 and the main body 3 are arranged the tubular elements 1A to 1D loaded with drawing materials M1 to M4, the movable bodies 5A to 5D, the tubes 4A to 4D screwdrivers, 7A to 7D O-rings, 6A to 6D brackets, 9A to 9D springs, and 8A to 8D sliding portions. It should be noted that each of the assemblies formed of these tubular elements 1A to 1D, of these movable bodies 5A to 5D, of these screwing tubes 4A to 4D, of these O-rings 7A to 7D, of these supports 6A to 6D, of these springs 9A to 9D and these sliding parts 8A to 8D have identical configuration except that these assemblies are respectively loaded with a different design material.
    [0010] As a result, the tubular members 1A to 1D, the movable bodies 5A to 5D, the screwing tubes 4A to 4D, the O-rings 7A to 7D, the supports 6A to 6D, the springs 9A to 9D and the sliding portions 8A. 8D will be referred to in the following simply and respectively: tubular member 1, movable body 5, screwing tube 4, O-ring 7, support 6, spring 9 and sliding portion 8. Similarly, the cartridges 10A-10D and the M1 to M4 drawing materials will be referred to simply as respectively cartridge 10 and drawing material M. As shown in FIGS. 3, 4 and 6, an inner tube 11 is engaged in the front end of the main body 3 so as to allow a synchronized rotation and four supports 6 are held inside this inner tube 11. The inner tube 11 and the guide tube 2 are provided with a ratchet mechanism 12 which allows the relative rotation of the 5 guiding tube 2 and main body 3 (inner tube 11) only in a given direction. This ratchet mechanism 12 therefore does not allow the relative rotation of the guide tube 2 and the main body 3 in the other direction which is opposite to said given direction.
    [0011] FIG. 7 is an enlarged sectional perspective view of the guide tube 2 of FIG. 6. As shown in FIG. 7, the guide tube 2 is made of ABS resin (synthetic copolymer resin of acrylonitrile-butadiene-styrene). ), has a cylindrical shape and has at its front end an opening 2a for exposing the anterior part of the tubular element 1. In the guide tube 2 is formed a housing space 2b in which are housed four cartridges 10 and Four brackets 6. Any one of the four tubular members 1 accommodated in the accommodation space 2b is exposed from the opening 2a forwards by manipulation of the user. A forwardly inclined inclined face 2c is provided on the front side of the outer peripheral surface of the guide tube 2. The inner peripheral surface 2d on the front side of the guide tube 2 also has a tapered shape towards the before. The inner peripheral surface 2d has protruding ribs 2e of which many convex portions are arranged parallel in the circumferential direction, which extend by a predetermined length in the direction of inclination of the inner peripheral surface 2d, so that to engage the tubular element 1 in the direction of rotation (around the axial line). The distance between the projection at these projecting ribs 2e decreases as they extend forward.
    [0012] On the rear side of the inner circumferential surface of the guide tube 2, there is a concave-convex portion 2f consisting of twenty-four concavities and convexities arranged circumferentially parallel and extending by a length determined in the axial direction to form a side of the ratchet mechanism 12. On the rear side of a concave-convex portion 2f of the inner peripheral surface of the guide tube 2, there are annular concave portions 2g, 2h for engaging the Inner tube 11 in the posterior portion of the guide tube 2. Fig. 8 (a) is an enlarged perspective view of the inner tube 11 of Fig. 6 and Fig. 8 (b) is an enlarged perspective view of the tube The inner tube 11 is an injection molded part of POM (polyacetal) and has a stepped cylindrical outer shape. The inner tube 11 has, from its front to its rear, a cylindrical portion 11a before 11a, a central cylindrical portion 11b having a diameter greater than that of the cylindrical portion before 11a and a rear cylindrical portion 11c having a diameter smaller than those of the cylindrical parts before 11a and 11b central. The cylindrical front part 11a comprises, in positions opposite to each other on its inner circumferential surface 11d, protruding portions 1a constituting the other side of the ratchet mechanism 12. These protruding portions 1b engage with the concave-convex portion 2f of the guide tube 2 in the direction of rotation, and are arranged so that they protrude outwardly in the radial direction. Around the protruding portions 11a of the cylindrical portion 11a are provided U-shaped recesses 11f providing communication between the outside and the inside of the inner tube 11, and these recesses 11f give the projecting portions 1a an elasticity in the radial direction. The protruding portions 11e of the inner tube 11 are always in contact with the concave-convex portion 2f of the guide tube 2. Fig. 9 is a section AA of Fig. 1. As shown in Fig. 9, the concave portion 2f of the guide tube 2 forming a side of the ratchet mechanism 12 have inclined faces 2f1 which are inclined with respect to the inner peripheral surface of the guide tube 2 and side faces 2f2 formed such that they are 3021584 The protruding portions 11a of the inner tube 11 constituting the other side of the ratchet mechanism 12 have sloping faces 11a which are inclined with respect to the outer peripheral surface. of the inner tube 11 and the side faces 11e2 formed such that they are substantially perpendicular to the tangents of the outer peripheral face of the inner tube 11.
    [0013] As shown in FIG. 8, the recess 11f of the inner tube 11 comprises a pair of slots 11g, 11b provided on both sides in the axial direction of the projecting portions 11c of the cylindrical portion before 11a and extending in the circumferential direction. 15 and a slot 11j formed on one side in the circumferential direction of the projecting portions 11c of the cylindrical portion before 11a and extending in the axial direction and following the slots 11g, 11b. A wall delimited by the recess 11f of the cylindrical front portion 11a forms an arm 11k which has flexibility in the radial direction. The projecting portions lle arranged on the outer face of the end of the arm 11k therefore has a radial elasticity (a stress).
    [0014] On the outer circumferential surface of the central cylindrical portion 11b of the inner tube 11, there are provided projections 111 intended to be engaged in the annular concave portion 2g of the guide tube 2 and an annular convex portion 11n being introduced. from the rear in the annular concave portion 2h of the guide tube 2. An annular flange 11p is provided on the rear portion of the annular convex portion 11n of the outer peripheral surface of the central cylindrical portion 11b and the cylindrical portion anterior to this flange 11p is a part to be inserted from the rear into the guide tube 2. On the rear cylindrical portion 11c of the inner tube 11, are formed protruding ribs 11q intended to be engaged in the main body 3 in the direction of rotation, so as to extend in the axial direction. These protruding ribs 11b are formed in four circumferentially equidistant positions on the outer peripheral surface of the rear cylindrical portion 11c. In addition, a convex portion 11r intended to be engaged in the main body in the axial direction is formed on a posterior portion of the flange 11p and the same convex portion 11r extends between the projecting ribs 11b in the circumferential direction. The inner tube 11 is separated inside the flange into left and right parts in the direction as shown in the figure by a support platform 25 which is a disc-shaped member for inserting the four supports 6 in the axial direction. This support platform 11 comprises, in four circumferentially equidistant positions, circular openings 11t for inserting the supports or retaining elements 6 in the axial direction. At the inner tube 11, the cylindrical portion 5 before 11a and the central cylindrical portion 11b are introduced into the guide tube 2 through the rear of the same guide tube 2. At this point, the protruding portions 11a of the cylindrical part before lla are engaged with the concave-convex portion 2f of the guide tube 2 in the direction of rotation and the projections llm of the central cylindrical part llb are engaged in the annular concave portion 2g of the guide tube 2, and at the same time, the annular convex portion 11n of the central cylindrical portion 11b 15 is introduced into the annular concave portion 2h of the guide tube 2. Figure 10 is a perspective view in partial section of the O-ring 7 and the support 6. The support, or retaining element 6, is generally in the form of a rod. The support 6 is made for example in POM. The support 6 comprises a cylindrical support part of the movable body 6b, having an opening 6a formed in the front part of this support and serving to insert the movable body 5, and a cylindrical rod-shaped part 6c extending in the direction axial on the posterior portion of the movable body support portion 6b. The movable body support portion 6b of the support 6 comprises a pair of slots 6d extending a predetermined length from the front end to the back and arranged to oppose each other. the other on the inner peripheral surface of the movable body support portion 6b. These slots 6d make it possible to widen in the radial direction towards the outside the diameter of the front end of the movable body support part 6b. An annular concave portion 6e for receiving the O-ring 7 is provided on the outer peripheral surface of the areas on which the slots 6d of the movable body support portion 6b are made. The placement of the O-ring 7 in this annular concave portion 6e allows the movable body 5 supported by the movable body support portion 6b to be squeezed inwardly, thereby preventing the movable body 5 from detaching from the movable body support 6b. Planar portions 6j for synchronized rotation of the movable body 5 are provided in opposite positions to each other within the movable body support portion 6b of the support 6. Due to these portions When the movable body support portion 6b is cut off by a plane perpendicular to the axial direction, the section of the aperture 6a is non-circular. At the level of the planar portions 6j, three oblong through holes 6k extending in the axial direction are formed so as to pass through the support 6 from its inside to its outside as a support a core-pin in order to avoid any inclination of the latter under the pressure of an injection during molding. The stem portion 6c, posterior to the movable body support portion 6b thus configured, is introduced in the axial direction into the opening 11t of the support platform 11 of the inner tube 11. Projecting ribs 6f intended to be engaged in the direction of rotation in the sliding part 8 are formed so as to extend in the axial direction, on the rear part of the rod-shaped part 6c of the support 6 and these projecting ribs 6f are formed in four circumferentially equidistant positions on the outer peripheral surface of the rod-shaped portion 6c. Furthermore, a convex portion 6g intended to be engaged in the axial direction in the sliding portion 8 is formed on the posterior portion of the rod-shaped portion 6c and this convex portion 6g extends in the circumferential direction between the projecting ribs. 6f. Finally, a protruding portion 6h which, with a smaller diameter, projects further rearwardly with respect to the portion on which the projecting ribs 6f are formed, is formed at the rear end of the rod-shaped portion. 6c and this projecting portion 6h and the spring 9 serve as a guide to facilitate mounting in the sliding portion 8. Figure 11 is a perspective view of the movable body 5 The movable body 5 is in the form of a 5 rod. The movable body 5 is made for example of POM. The movable body 5 comprises, on its outer peripheral surface, a male thread 5a and plane portions 5b pressed by the flat portions 6j (see FIG. 9) of the support 6. Due to these planar portions 5b, the section obtained when the 5a male thread and the flat portions 5b are cut by a plane perpendicular to the axial direction is non-circular and corresponds to the opening 6a of the support 6. The pitch (the distance between the peaks of the male thread 5a in the axial direction ) of the male thread 5a of the movable body 5 is between 0.3 mm and 1.0 mm and preferably equal to 0.4 mm. Since the pitch of a conventional male thread is generally between 2.0 mm and 6.0 mm, the pitch of the male thread 5 a is smaller than that of an ordinary male thread. The planar portions 5b of the movable body 5 are arranged to extend in the axial direction in the region in which the male thread 5a is disposed, and in positions opposite to each other on the outer peripheral surface of the movable body 5. The male thread 5a and the planar portions 5b of the movable body 5 are introduced from the front into the movable body support part 6b with a clearance between the planar portions 5b and the planar portions 6j of the movable body support part 6b. The movable body 5 is then held with respect to the movable body support part 6b by virtue of the fact that the projecting part formed inside the movable body support part 6b and the male thread 5a of the movable body 5s 'undertake. The front end of the movable body 5 is provided with a cylindrical pusher 5c for pushing forward the drawing material M in the tubular element 10 1. The pusher 5c comprises a flat bottom 5d located at the front end thereof, a side face 5e extending in the circumferential direction and a conical face 5f which is inclined relative to the bottom 5d and which is consecutive to the bottom 5d and the side face 15e. The flat bottom 5d of the pusher 5c is a plane for pushing the drawing material M forward. Figure 12 is a perspective view in section of the screwing tube 4. This screwing tube 4 has a substantially cylindrical shape. The screwing tube 4 is made for example of POM. A tapping 4a for moving the movable body 5 is formed in a rear portion of the inner peripheral surface of the screwing tube 4. The pitch of the tapping 4a of the screwing tube 4 (the distance between the crests in the axial direction of the tapping 4a) is smaller than that of an ordinary thread such as the male thread 5a of the movable body 5. In addition, concave portions 4b for engaging the rear end of the tubular element 1 at the level of the front end of the screwing tube 4 are formed on an anterior part of the screwing tube 4 and these concave portions 4b have a trapezoidal shape obtained by recessing the front end 5 of the screwing tube 4 of a given length towards the rear . These concave portions 4b are formed in opposite positions to each other on the inner peripheral surface of the screw tube 4. Ports 4c for engaging the rear end of the tubular member 1 are provided on a portion posterior concave portions 4b of the screwing tube 4 and these orifices 4c are formed so as to pass through the screwing tube 4 from its inside to its outside. These orifices 4c extend in the circumferential direction and are arranged in opposite positions to one another on the inner peripheral surface of the screwing tube 4. FIG. 13 is a perspective view of the tubular element 1 and the This tubular element 1 has a substantially cylindrical shape. The tubular element 1 is made for example of PP (polypropylene). This tubular element 1 may be of the same color as that of the drawing material M or be transparent in order to facilitate the identification of the color of the drawing material M. The interior (space loaded with drawing materials M) of the tubular element 1 is smooth, therefore not stepped, which makes it possible to easily load the drawing material M over the entire internal space of the tubular element 1 by means of, for example, suction. A plurality of oblong grooves 1a, composed of numerous concave portions arranged in parallel in the circumferential direction and extending a given length in the axial direction, are formed at the front end of the outer peripheral surface of the tubular element 1, to be engaged with the protruding ribs 2e of the guide tube 2 in the direction of rotation. The rear part of the outer peripheral surface of the tubular element 1 is provided with an annular flange 1b, protruding parts 1c with which the concave portions 4b of the screwing tube 4 are engaged in the rear part of the flange 1b and projections 1d intended to be embedded in the orifices 4c of the screwing tube 4 at the rear of the projecting part 1c. This allows a commitment in the axial direction of the tubular element 1 and the screw tube 4 20 as well as their synchronized rotation. The height of the flange 1b relative to the outer peripheral surface of the tubular element 1, the height of the projections 1c with respect to the outer peripheral surface of the tubular element 1 and the height with respect to said outer peripheral surface of the screwing tube 4 engaged are substantially the same. The projecting portions 1c of the tubular element 1 have a trapezoidal shape extending towards the rear of a given length from the flange 1b of the tubular element 1. These protruding parts 1c are arranged in opposite positions. to each other on the outer peripheral surface of the tubular element 1. The projections 1d of the tubular element 1 extend in the circumferential direction and are arranged in positions opposite one another to the other. the outer peripheral surface of the tubular element 1. The screwing tube 4 is intended to be engaged at the rear with the tubular element 1 thus configured and for this the protruding parts 1c of the tubular element 1 are embedded in the concave portions 4b of the screwing tube 4 and the projections 1d of the tubular element 1 are embedded in the orifices 4c of the screwing tube 15 by the inside of the screwing tube 4. The FIG. 14 is a perspective view of the sliding portion 8. The sliding portion 8 is made for example of ABS resin. This sliding part 8 has for example the same color as that of the corresponding drawing material M and the sliding of a given stroke of the sliding portion 8 of a desired color makes it possible to take the drawing material M forward to 2. The sliding portion 8 has a shape extending in the axial direction. The front part of the sliding part 8 has an opening 8a into which is introduced from the front a projecting portion 6h of the support 6. This opening 8a is provided with projections 8b and a window 8c in which engage the convex portion 6g of the support 6 in the axial direction and the projecting ribs 6f of the support 6 in the direction of rotation. The opening 8a 5 comprises a recess 8d extending in the axial direction in a communicating manner. Furthermore, the front end of the sliding portion 8 is provided with a flat face 8e against which one end of the spring comes into contact.
    [0015] The rear part of the window 8c of the sliding part 8 is provided with a projecting part 8f intended to put back the other sliding parts 8 and this projecting part 8f projects towards the inside of the main body 3 and extends in the axial direction. The rear end of the sliding portion 8 is provided with a protruding portion 8g projecting outwardly from the main body 3, with a rear end 8h protruding rearwardly at the rear end of the sliding portion 8 and being attached to the main body 3, and a protruding portion 8k projecting inwardly of the main body 3 and having an inclined face 8j against which the projecting portion 8f of the other sliding parts come into contact.
    [0016] When the support 6 is engaged from the front in the sliding portion 8 thus configured, the projecting portion 6h of the support 6 is inserted into the opening 8a of the sliding portion 8 and at the same time the projecting ribs 3021584 - 28 - 6f and the convex portion 6g engage with the projecting portions 8b and the window 8c so that the convex portion 6g of the support 6 passes the projecting portion 8b of the sliding portion 8 and thus the support 6 engages with the front part of the sliding part 8 so as to allow synchronized rotation. Fig. 15 (a) is a perspective view of the main body 3 and Fig. 15 (b) is a perspective and sectional view of the main body 3. The main body 3 is an injection molded ABS resin part and has a cylindrical shape with a bottom. The rear part of the main body 3 comprises recesses 3a extending in the axial direction 15 and outwardly protruding the projections 8g of the sliding parts 8 and these recesses 3a are formed in four circumferentially equidistant positions. Inside the recess 3a of the main body 20 3 are formed planar portions 3b extending inwards from the recesses 3a, and protruding portions 3c extending in the axial direction at the rear of the planar portions. 3b. The rear of the projecting portions 3c extends to the bottom 3d of the main body 3. When the projecting portion 8g of the sliding portion 8 is moved forward along the recess 3a of the main body 3, the the rear end 8h of the sliding portion 8 protrudes along the protruding parts 3c. When the rear end 8h arrives at the front end of the projecting parts 3c, the sliding part 8 goes inside the recess 3a and the rear end 8h hangs on the front end 5 of the projecting parts 3c . Moreover, in a state where the rear end 8h of one of the sliding parts 8 (for example the sliding part 8A of FIG. 4) is hooked up at the front end of the projecting parts 3c, the projecting parts 8f of the other 10s sliding parts 8 (for example the sliding part 8B, 8C and 8D of FIG. 4) are close to the inclined face 8j of one of the sliding parts 8. The front part of the inner peripheral surface of the main body 3 is provided with concave grooves 15 3e which engage with the protruding ribs llq of the inner tube 11 in the direction of rotation, and an annular concave portion 3f in which engages the convex portion 11r of the inner tube 11 in the axial direction. The grooves 3e are arranged to extend a given length from the front end of the main body 3 rearwards and are arranged in four circumferentially equidistant positions on the inner peripheral surface of the main body 3. The As for the annular concave portion 3f, it extends in the circumferential direction between the concave grooves 3e. The four sliding parts 8 are introduced into the main body 3 from the front of the latter and the projections 8g of the sliding parts 8 are outwardly outwardly from the recesses 3a.
    [0017] When the inner tube 11 is introduced into the front end of the main body 3, protruding ribs 11q of the inner tube 11 are inserted into the concave grooves 3e of the main body 3 and the convex portion 11r of the inner tube 11 is embedded in the annular concave portion 3f of the main body 3 and thus the inner tube 11 engages in the main body 3 so as to allow synchronized rotation. As shown in Figures 3 and 4, the spring 9 is wound with a clearance with respect to the outer diameter 15 of the rod-shaped portion 6c of the support 6. One end (front end) of the spring 9 is in contact with the wall rear of the support platform lls of the inner tube 11 and the other end (rear end) is in contact with the flat face 8e located at the front end of the sliding portion 8. The sliding portion 8 is therefore urged towards the 9. The operation of the multi-point pen 100 thus configured is described below. When the multi-point pencil 100 is in the initial state shown in FIG. 3, the four sliding portions 8 are at the rear end of the recesses 3a of the main body 3 and the four tubular elements 1 are 3021584 - 31 are located inside the guide tube 2. If, in this state, the sliding part 8A is advanced by a given stroke along the recess 3a, the support 6A engaged in the sliding part 8A in the In the axial direction, the screwing tube 4A, the tubular member 1A and the drawing material M1 advance and the drawing material M1 exits the opening 2a of the guide tube 2 forwards. At this time, the introduction of an anterior portion of the tubular member 1A into the inner peripheral surface 2d of the guide tube 2 has the effect of bending the support 6A so as to tilt relative to the axial direction and thus the grooves 1a of the tubular element 1 engage with the protruding ribs 15 of the guide tube 2 in the direction of rotation. This results in a connection of the rear end 8h of the sliding portion 8A to the front end of the projections 3c of the main body 3. If, in this state, the user turns the main body 3 in one direction (for example clockwise) relative to the guide tube 2, the inner tube 11, the four sliding parts 8, the four supports 6 and the four moving bodies 5 begin to rotate in this direction. At this moment, the tubular elements 1B to 1D whose grooves 1a are not engaged with the projecting ribs 2e of the guide tube 2 and the screwing tubes 4B to 4D rotate in accordance with the relative rotation in the meaning mentioned above. On the other hand, the support 6A connected via the screwing tube 4A to the tubular element 1A, the grooves of which are engaged with the projecting ribs 2e of the guide tube 2, begins to rotate in the direction mentioned above. while flexing and deforming elastically, in accordance with the relative rotation in this sense. Finally, the tubular element 1A, the grooves of which are engaged with the projecting ribs 2e of the guide tube 2 and the screwing tube 4A, do not rotate in accordance with the rotation in the above-mentioned direction of the moving body, but the movable body 5A rotates with respect to the tubular element 1A and to the screwing tube 4A. As a result, the relative rotation in the direction mentioned above causes a screwing effect between the male thread 5a of the movable body 5 and the thread 4a of the screwing tube 4 and, consequently, the moving body 5A begins to advance 20 with respect to the tubular element 1A and the screwing tube 4A. Finally, since the bottom 5d of the pusher 5c of the movable body 5A pushes forward the drawing material M1 loaded into the tubular element 1A, the movable body 5A and the drawing material M1 start, both, to advance relative to the tubular element 1A. In the relative rotation in the above-mentioned direction, as shown in FIG. 9, because the protruding portions 11a of the inner tube 11 constituting the ratchet mechanism 12 engage with the concave-convex portion 2f of the guide tube 2 in the direction of rotation and the protruding portions lle are radially biased by an elastic force given by the recesses 11f, the engagement and disengagement (the gearing and the gearing) are repeated alternately between the projecting portions 11c and the concave-convex portion 2f. In other words, if the relative rotation is in the direction mentioned above when the projecting portions 11a and the concave-convex portion 2f are engaged in the direction of rotation, the inclined faces 11a of the projecting portions 11c with the inclined faces 2f1 of the concave-convex portion 2f and, in this state, slide so as to climb on these inclined faces 2f1. And, after the projecting portions 1a have passed the convex portions of the concave-convex portion 2f, the projecting portions 11c and the concave-convex portion 2f again engage in the direction of rotation. As a result, at each engagement and disengagement of the projecting portions Ile and the concave-convex portion 2f, a clicking sensation is given to the user. Note that at each relative rotation of 15 ° in a given direction, a click sensation is given to the user, because the twenty-four reliefs are formed in the concave-convex portion 2f, parallel in the circumferential direction . On the other hand, when the user tries to turn the main body 3 with respect to the guide tube 2 in the opposite direction (for example counterclockwise) to said given direction, the lateral faces 11e2 of the protruding portions 11a constitute the ratchet mechanism 12 come into contact with the lateral faces 2f2 of the concave-convex portion 2f and prohibit any relative rotation in the opposite direction to said given direction. The relative rotation between the guide tube 2 and the main body 3 is therefore not carried out in the opposite direction. That is, as the rotational force (torque) for the relative rotation in one direction, a value is set which makes it possible to turn them easily and, as the rotational force for the relative rotation in the other direction, sets a value that can not be rotated easily. For example, if the designed outer diameter of the main body 3 is about 14 mm, it is preferable to set a value equal to or less than 0.1 Nm (Newton meter) as a relative rotational torque in one direction and a second. value equal to or greater than 0.2 Nm (Newton meter) as a relative torque in the other direction. On the other hand, in a state where the tubular element 1A is advanced and the drawing material M1 is exposed forwards by the advancement of the sliding part 8A as shown in FIG. any of the sliding parts 8B to 8D (hereinafter referred to as "other sliding parts 8") of a given stroke, the protrusions 8f of the other sliding parts 8 which adjoin the inclined face 8j of the sliding part 8A come into contact with the inclined face 8j. When the projections 8f of the other sliding parts 8 come into contact with the inclined face 8j of the sliding part 8A, the sliding part 8A is pushed out of the main body 3 and the connection of the rear end 8h of the sliding part 8A and the leading end of the projecting portions 3c is canceled. As a result, the biasing of the rearwardly biased spring 9A returns the sliding portion 8A to the rear end of the recess 3a. As we have seen above, when it comes to the multi-point pen 100, the drawing materials M are connected to each of the four sliding parts 8 and the advancement of a given stroke of a any of the sliding parts 8A with respect to the main body 3 causes an output of the drawing material M1 connected to the sliding part 8A from the guide tube 2. The relative rotation of the guide tube 2 and the main body 3 in a direction to from this state causes advancement of the drawing material Ml and it is allowed only the advancement of the drawing material Ml.
    [0018] This is a configuration in which it is sufficient to design the output of the drawing material forwards by relative rotation in one direction. It is not necessary to provide a configuration for retracting the drawing material M while grasping it, so it is possible to use for this multi-pointed pencil 100 the drawing materials M soft and difficult to grasp. . In addition, for this multiple point pen 100, the drawing material M does not recede with respect to the tubular element 1, which avoids the need to further advance the drawing material M during its next use and therefore improves usability.
    [0019] The multi-pencil 100 according to the present embodiment is equipped with a ratchet mechanism 12 allowing relative rotation of the guide tube 2 and the main body 3 only in one direction. Furthermore, this multi-point pencil 100 comprises an inner tube 11 located in an anterior portion of the main body 3 and the ratchet mechanism 12 is formed with protruding portions 1e projecting from the outer face of the inner tube 11 and having elasticity. radial as well as the concave-convex portion 2f formed on the inner face of the guide tube 2 and rotatably engaged in the projecting portions Ile. The projecting portions 1a projecting from the outer face of the inner tube 11 and the concave-convex portion 2f formed on the inner face of the guide tube 2 thus serve as a ratchet mechanism 12. Moreover, by virtue of the fact that the projecting portions 1le of the inner tube 11 are always in contact with the concave-convex portion 2f of the guide tube 2, it is possible to always create a displacement resistance between the outer face of the inner tube 11 and the inner face of the tube 5, and therefore to limit the clearance between the inner tube 11 and the guide tube 2. In addition, since the male thread 5a provided on the outer periphery of the movable body 5 has a small pitch, the pitch of the moving body 5 by 10 relative rotation in one direction is also small. This therefore allows a fine adjustment of the drawing material M pushed forward and to improve the usability because the risk of breakage of the drawing material M largely out by mistake can be reduced.
    [0020] The front end of the movable body 5 is cylindrical and has a flat bottom 5d and the drawing material M is advanced when the bottom 5d pushes it from the rear. This avoids, therefore, providing a mechanism such as a concentric chuck for gripping the drawing materials M and it suffices to provide a configuration for pushing the drawing material M by means of the bottom 5d at the front end of the drawing material. movable body 5 cylindrical. Furthermore, the support 6 comprises a non-circular opening 6a corresponding to the shape of the section of the movable body 5 and the movable body 5 having a non-circular section is introduced into this non-circular opening 6a. It is therefore possible to engage the support 6 with the movable body 5 in the direction of rotation of the latter, this support 6 then acting as an anti-rotation stop of the movable body 5. In addition, the support 6 comprises an O-ring 7 imparting from the outside an elastic resistance to the movable body 5 introduced into the opening 6a. This elastic resistance from the outside, provided by the O-ring 7, makes it possible to maintain the movable body 5 situated inside the opening 6a, which makes it possible to mount the movable body 5 on the support 6 by conferring on it the elastic resistance and disassemble the movable body 5 of the support 6 by adjusting the electrical resistance. In conclusion, the movable body 5 (cartridge 10) can be mounted to the support 6 removably.
    [0021] We have heretofore described the embodiment of the present invention, but this is by no means limited to this embodiment, and it is possible to modify or replace it with others without departing from it. the scope of the description of each claim. In other words, it is possible to change the composition of the constituent parts of the multi-pencil 100 or their shape without departing from the scope of the description above. For example, while the relative rotation of the guide tube 2 and the main body 3 in the other direction is prohibited by means of the ratchet mechanism 12 in the above embodiment, the shape and arrangement of the convex portions or the concave-convex portion 3021584 - 39 - forming the ratchet mechanism may be modified at will. On the other hand, the ratchet mechanism 12 may be replaced by a screw-in mechanism, a friction-based mechanism, or a mechanism utilizing the elastic resistance. In addition, a configuration can be adopted by means of a clutch mechanism (vacuum rotation) which makes it possible to release the drawing material M by the relative rotation in one direction, but which prevents any relative rotation in the direction of rotation. other way by canceling the screwing effect so as not to allow its exit. The important thing is to allow relative rotation of the guide tube 2 and the main body 3 only in one direction to advance the drawing materials M.
    [0022] In addition, while an O-ring 7 is provided for clamping the movable body 5 inwardly in the above embodiment, this O-ring 7 can be omitted. In addition, it can be used instead O-ring 7, at an elastic resistance of the resin at the movable body support portion for clamping the movable body 5 inwardly. On the other hand, while the support 6 includes a cylindrical movable body support portion 6b, located at the front of this support, and a rearwardly shaped rod portion 6c in the above embodiment. the movable body support part and the rod-shaped part may be independent parts. For example, a recess mechanism may be provided for rotatably adjusting the movable body support portion and the rod-shaped portion in synchronism. On the other hand, while the tubular member 1 and the thumb tube 4 are independent in the above embodiment, they may form an assembly. In addition, while the support 6 and the sliding portion 8 are independent, the rod-shaped portion 6c of the support 6 and the sliding portion 8 may form an assembly. Finally, while we have heretofore described, in the above embodiment, the multi-pointed pencil 100 having the drawing materials M1-M4 each having a different color, these drawing materials can, on the other hand, each have a different diameter or a different material. The number of drawing materials is in no way limited to four, it can be two, three or equal to or greater than five. In short, the present invention is applicable to any multiple point pen with a plurality of drawing materials.
    权利要求:
    Claims (8)
    [0001]
    REVENDICATIONS1. Multi-point pencil, comprising: a cylindrical main body (3); a cylindrical guide tube (2) configured to be engaged with the main body (3); and a plurality of sliding portions (8) each configured to be coupled with a plurality of drawing materials (M) retained within an interior of the guide tube (2) and configured to be slidably produced over a relatively constant distance to the main body (3), and in which an arbitrary sliding portion (8) of the plurality of sliding parts (8) advances at a constant distance relative to the main body (3), whereby the drawing material coupled to a said arbitrary sliding portion (8) is exposed from the guide tube (2) and, in this state, the guide tube (2) and the main body (3) are rotated relative to one another in a direction, which allows the drawing material to advance, wherein only a forward movement of the drawing material is adjusted by the relative rotation of the guide tube (2) and the main body (3) in a said direction.
    [0002]
    A pencil according to claim 1, further comprising a ratchet mechanism (12) configured to allow a first relative rotation of the guide tube (2) and the main body (3) in the aforesaid direction and to regulate a second relative rotation of the guide tube (2) and the main body (3) in the other direction, which is opposed to the aforesaid direction.
    [0003]
    The pencil of claim 2, further comprising an inner tube configured to be positioned at a front portion of the main body (3), wherein the ratchet mechanism includes a protruding portion (11e) projecting from an outer surface of the inner tube and is provided with elasticity in a radial direction, and a concave and convex portion which is formed on an inner surface of the guide tube (2) and which is rotated with the projecting portions (11e). .
    [0004]
    A pencil according to claim 3, wherein the protruding portions (11e) of the inner tube abut the concave and convex portions of the guide tube (2) at all times.
    [0005]
    A pencil according to any one of claims 1 to 4, further comprising a tube member configured to be positioned within an interior of the guide tube (2), the tube member in which the drawing material is loaded; A movable body (5) configured to extend in an axial direction on a rear portion of the drawing material and configured to include a male screw having infinitesimal pitches on an outer circumference; And a screw tube configured to be in a synchronized manner rotatably engaged with a rear side of the tube member and configured to include a female screw which is threadingly engaged with the male screw on a circumference interior; wherein the sliding portion (8) advances at a constant distance relative to the main body (3), thereby allowing the tube member to advance and engage with the guide tube (2) in a direction of rotation, and wherein, in this state, the guide tube (2) and the main body (3) are rotated relative to each other in a aforesaid direction, whereby the movable body (5) advances with the drawing material under the action of a threading plug 20 between the male screw and the female screw.
    [0006]
    A pencil according to claim 5, wherein a front end of the movable body (5) is formed into a cylindrical shape having a flat bottom surface, and wherein the bottom surface projects the drawing material 25 forward; which allows the drawing material to move forward. 3021584 - 44 -
    [0007]
    The pencil of one of claims 5 or 6, further comprising a retaining member (6) configured to be arranged on a rear portion of the screw tube and to hold the movable body (5) therein, wherein a cross section of the movable body (5) is formed into a non-circular shape; and wherein the retaining element (6) comprises a hole portion made in a non-circular shape in accordance with a cross-sectional shape of the movable body (5).
    [0008]
    A pencil according to claim 7, wherein the retaining member (6) comprises an elastic portion configured to make the movable body (5) inserted into the hole portion with an elastic force from an outer side.
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    同族专利:
    公开号 | 公开日
    CN105270036B|2017-07-04|
    FR3021584B1|2021-12-03|
    US20150343832A1|2015-12-03|
    JP6143229B2|2017-06-07|
    JP2015228883A|2015-12-21|
    CN105270036A|2016-01-27|
    US9738113B2|2017-08-22|
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    法律状态:
    2016-06-17| PLFP| Fee payment|Year of fee payment: 2 |
    2017-06-16| PLFP| Fee payment|Year of fee payment: 3 |
    2018-06-11| PLFP| Fee payment|Year of fee payment: 4 |
    2020-06-25| PLFP| Fee payment|Year of fee payment: 6 |
    2021-06-04| PLSC| Publication of the preliminary search report|Effective date: 20210604 |
    2021-06-22| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    JP2014114690A|JP6143229B2|2014-06-03|2014-06-03|Various pencils|
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