巴西专利BR112013005564B1 cable for a razor and razor

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专利摘要:
FLEXIBLE AND SEPARABLE PORTION OF THE SHAFT CABLE. The present invention relates to a razor handle (20), the handle comprising a frame (22) and a flexible receptacle (50) coupled to the structure the flexible receptacle comprises a base (62) with a first fixing element (64). The first fastener corresponds in shape and connects to a fastener corresponds in shape and connects to a second fastener (76) of a structure. The flexible receptacle is compressible and decompressible to engage the first fixing element of the flexible receptacle with the second fixing element of the structure.
公开号:BR112013005564B1
申请号:R112013005564-2
申请日:2011-09-29
公开日:2020-10-13
发明作者:Matthew Frank Murgida；Robert Harold Johson；Paul Fathallah
申请人:The Gillette Company；
IPC主号:

专利说明:

FIELD OF THE INVENTION
[001] The invention relates, in general, to shaver handles, more particularly to handles with a flexible and separable portion. BACKGROUND OF THE INVENTION
[002] Recent advances in razors, such as a razor with 5 blades or 6 blades for wet shaving, can offer a closer, better and more comfortable shave. One factor that can affect the proximity of the shave is the amount of contact of the blades on a shaving surface. The larger the surface area with which the blades come into contact, the closer the shave becomes. Current approaches to shaving largely include razors with only a single axis of rotation, for example, around an axis substantially parallel to that of the blades and substantially perpendicular to the handle (i.e., rotating back and forth). The curvature of several shaving areas, however, does not simply adapt to a single axis of rotation and therefore part of the blades often disengages from the skin during shaving, as it has a limited ability to rotate around the same axis . Thus, the blades of these razors can only have surface contact with certain shaving areas, such as under the chin, around the jaw line, around the mouth, etc.
[003] Shavers with multiple axes of rotation can help approach shaving proximity and closely monitor a user's skin contours. For example, a second axis of rotation for a razor may be an axis substantially perpendicular to the blades and substantially perpendicular to the handle, such as a side-to-side pivoting motion. Examples of various approaches to shavers with multiple axes of rotation are described in US Patent Nos. 5,029,391; 5,093,991; 5,526,568; 5,560,106; 5,787,593; 5,953,824; 6,115,924; 6,381,857; 6,615,498; and 6,880,253; US patent application publication no. 2009/066218; 2009/0313837; 2010/0043242; and 2010/0083505; and publication of Japanese patent submitted to public inspection No. H2-34193; H2-52694; and H4-22388. However, to offer another axis of rotation, such as an axis substantially perpendicular to the blades and substantially perpendicular to the handle, typically additional parts are implemented with increased complexity and movement. In addition, these additional components often require limited tolerances with little room for error. As a result, current approaches introduce complexities, costs and durability issues for manufacturing, assembling, and using razors with multiple axes of rotation.
[004] Then, a razor suitable for wet or dry shaving, with multiple axes of rotation, is needed. For example, an axis substantially perpendicular to the blades and substantially perpendicular to the cable and an axis substantially parallel to the blades and substantially perpendicular to the cable. The razor, including shavers equipped with a motor and manuals, is preferably simpler, cost-effective, reliable, durable, easier and / or faster to manufacture, and easier and / or faster to mount more precisely. SUMMARY OF THE INVENTION
[005] In one aspect, the invention relates to a handle for a razor. The cable comprises a structure and a flexible receptacle coupled to the structure. The flexible receptacle comprises a base with a first fixing element. The first fastener corresponds in shape and connects to a second fastener of the structure. The flexible receptacle is compressible and decompressible to engage the first fixing element of the flexible receptacle with the second fixing element of the structure.
[006] This aspect may include one or more of the following modalities. The flexible receptacle can be operationally coupled to the structure, so that the flexible receptacle can be configured to rotate about a geometric axis substantially perpendicular to the structure. The flexible receptacle may additionally comprise a cantilevered tail extending from the base so that the distal end of the cantilevered tail can be loosely retained by the structure. The cantilevered tail may comprise an elongated rod and a perpendicular bar at the distal end of the cantilevered tail, so that the perpendicular bar can be loosely retained by the structure. The elongated rod may not come into contact with the structure. The flexible receptacle can be unitary. The structure may comprise at least one wall that loosely retains the distal end of the cantilevered tail. The at least one wall can comprise a first wall and a second wall which are displaced, so that the first wall and the second wall can be substantially parallel and not coplanar. The structure can additionally comprise a substantially rigid substructure, so that the flexible receptacle can be coupled to the substructure. The substructure, the first wall, and the second wall can be integrally formed. The first fixing element can comprise at least one projection extending from the base and the second fixing element can comprise at least one opening formed in the structure. Each of at least one protrusion and at least one opening can, in general, be cylindrical. The at least one projection may comprise a first projection and a second projection, so that the first projection may have a larger diameter than the second projection. The at least one opening can comprise a first opening and a second opening, so that the first opening can have a larger diameter than the second opening. The at least one protrusion can extend substantially through at least one opening when the flexible receptacle is coupled to the structure. A distal end of the at least one protrusion can be substantially flush with an exterior of the structure when the flexible receptacle is coupled to the structure. The base and / or the first fixing element can be compressible and decompressible.
[007] In another aspect, the invention relates to a razor comprising a handle and a blade unit that is releasably attached to the handle. The cable comprises a structure and a flexible receptacle coupled to the structure. The flexible receptacle comprises a base with a first fixing element. The first fastener corresponds in shape and connects to a second fastener of the structure. The flexible receptacle is compressible and decompressible to engage the first fixing element of the flexible receptacle with the second fixing element of the structure. The blade unit comprises at least one blade and the blade unit is configured to rotate about a first axis substantially parallel to at least one blade.
[008] In yet another aspect, the invention relates to a method of assembling a handle on a razor blade. The method comprises compression portions of a flexible receptacle, aligning a first fixing element of the flexible receptacle with the second fixing element of a structure, the first fixing element corresponding in shape to the second fixing element, and decompression portions of the flexible receptacle, whereby the first fixing element fits the second fixing element to couple the receptacle and the structure.
[009] This aspect may include the following modalities. The first fixing element can comprise one or more projections extending from the flexible receptacle and the second fixing element can comprise one or more openings formed in the structure. BRIEF DESCRIPTION OF THE DRAWINGS
[010] Other characteristics and advantages of the present invention, as well as the invention itself, can be more fully understood with the following description of the various modalities, when read in conjunction with the accompanying drawings, in which:
[011] Figure 1 is a schematic perspective view of the rear part of a razor, according to an embodiment of the invention;
[012] Figure 2 is a schematic perspective view of a front part of the razor in Figure 1;
[013] Figure 3 is a schematic perspective view of a rear part of a razor handle, according to an embodiment of the invention;
[014] Figure 4 is a schematic exploded perspective view of the cable in Figure 3;
[015] Figure 5 is a schematic perspective view of a flexible receptacle, according to an embodiment of the invention;
[016] Figure 6 is a schematic view of the rear of the flexible receptacle of Figure 5;
[017] Figure 7 is a schematic perspective view of a front part of the flexible receptacle of Figure 5;
[018] Figure 8 is a schematic side view of the flexible receptacle of Figure 5;
[019] Figure 9 is a schematic perspective view of a portion of the cable structure according to an embodiment of the invention;
[020] Figures 10A-10E describe a procedure for assembling a portion of a cable, according to an embodiment of the invention;
[021] Figure 11 describes a procedure for compressing a flexible receptacle, according to an embodiment of the invention;
[022] Figures 12A-12C depict a schematic front view of a flexible receptacle and a portion of a cable structure during various stages of rotation, according to an embodiment of the invention; and
[023] Figure 13 is a schematic perspective view of a portion of a cantilevered tail of a flexible receptacle and a portion of a cable structure, according to an embodiment of the invention. DETAILED DESCRIPTION OF THE INVENTION
[024] Except where otherwise indicated, the articles "one", "one", "o" and "a" mean "one / one or more".
[025] Referring to Figures 1 and 2, a razor 10 of the present invention comprises a handle 20 and a blade cartridge assembly 30, which removably connects or is releasably attached to handle 20 and contains a or more blades 32. The handle 20 comprises a frame 22 and a blade cartridge connecting device 24 operably coupled to it, so that the blade cartridge connecting device 24 is configured to rotate about an axis of rotation 26 which is substantially perpendicular to the blades 32 and substantially perpendicular to the frame 22. The blade cartridge unit 30 is configured to rotate around an axis of rotation 34 which is substantially parallel to the blades 32 and substantially perpendicular to the handle 20 Some non-limiting examples of suitable blade cartridge units are described in US Patent No. 7,168,173. When the blade cartridge unit 30 is attached to the handle 20 by the blade cartridge connector 24, the blade cartridge unit 30 is configured to rotate around multiple axes of rotation, for example, a first axis of rotation 26 and a second axis of rotation 34.
[026] Figures 3 and 4 describe an embodiment of a cable 40 of the present invention. The cable 40 comprises a frame 42 and a blade cartridge connecting device 44 operably coupled to it, so that the blade cartridge connecting device 44 is configured to rotate about an axis of rotation 46 which it is substantially perpendicular to structure 42. The blade cartridge connecting device 44 comprises a docking station 48 engageable with the blade cartridge unit (not shown), a flexible receptacle 50, and an ejector button device 52. The receptacle 50 is operatively coupled to the frame 42 so that it is rotatable with respect to the frame 42, with the docking station 48 and the ejector button device 52 fixedly removable or releasable to the receptacle 50. Some non-limiting examples of suitable assemblies of docking stations and ejector button are described in US Patent Nos. 7,168,173 and 7,690,122 and in US Patent Application Publication Nos. 2005/0198839, 2006/0162167, and 2007/0193042. The receptacle 50 is flexible to be detachable from the structure 42. The receptacle 50 comprises a cantilevered tail 54 in which a distal end of the cantilevered tail 54 is loosely retained by a pair of displaced walls 56 of a structure 42. In one embodiment, the cantilevered tail 54 can be retained by a pair of opposite walls or within a recessed channel of a structure. The cantilevered tail 54 generates a return torque when the receptacle 50 is rotated about the axis 46, so that the receptacle 50 is returned to a resting position. Some non-limiting examples of suitable springs retained between the walls to generate a return torque are described in US Patent Nos. 3,935,639 and 3,950,845 and shown by the Sensor® 3 disposable razors (available from the Gillette Co. , Boston, Massachusetts, USA).
[027] Figures 5 to 8 describe a flexible receptacle 60 of the present invention. The receptacle 60 comprises a base 62 with one or more projections 64 and a cantilevered tail 65 that extends from that point on. The projections 64 can extend from any outer portion of the base 62. In one embodiment, the projections 64 are, in general, cylindrical. The term "generally cylindrical" means that the projections 64 may include non-cylindrical elements, for example, ridges, protuberances, or recesses, and / or may include regions along their length that are non-cylindrical, such as tapered ends and / or extended due to manufacturing and design considerations. Additionally or alternatively, one or more of the projections 64 may include a larger bearing block 66 between the projections 64 and the base 62. For example, each of the projections 64 may include a larger bearing block 66 between the projections 64 and the base 62. In one embodiment, the cantilevered tail 65 forms a substantially T-shaped configuration comprising an elongated stem 67 and a perpendicular bar 68 at a distal end. In one embodiment, the elongated rod 67 and the perpendicular bar 68 are each generically rectangular. The term "generally rectangular" means that the elongated rod 67 and the perpendicular bar 68 may each include non-rectangular elements, for example, ridges, protuberances, or recesses, and / or may include regions along its length that do not they are rectangular, like tapered and / or enlarged ends due to manufacturing and design considerations. For example, the thickness (T) of the elongated nail 67 may gradually widen further towards a proximal end of the elongated nail 67 with respect to base 62. Extending the thickness of the elongated nail 67 can help to reduce stress concentrations when the receptacle 60 is rotated so that the stresses of the elongated stem 67 material will not be exceeded, which, if exceeded, would result in failure, such as permanent deformation or fatigue with repeated use. Similarly, the height (H) of the elongated stem 67 can be widened, for example, gradually widened or rapidly widened, towards the distal end of the elongated stem 67, as the elongated stem 67 approaches of the perpendicular bar 68. In this arrangement, an elongated rod length (L1) 67 can be maximized to achieve desired degrees of stiffness and return torques when the receptacle 60 is rotated. Alternatively, the elongated rod 67 and the perpendicular bar 68 can each form any geometric, polygonal, or arcuate shape, for example, an ovoid shape. An interior of the receptacle 60 defines a hollow portion therethrough with two open ends, for example, the top end and the bottom end. The inner surfaces of the receptacle 60 may optionally include projections extending into the hollow portion, grooves, channels, and / or retainers to engage corresponding shapes of a docking station at one end of the receptacle 60 and a button assembly ejector at the other end of the receptacle 60. The cantilever tail 65 extends from a front portion 69 of the base 62, although the cantilever tail 66 may alternatively extend from a rear portion 70 of the base 62.
[028] In the present invention, a single component, specifically, receptacle 60, serves multiple functions. The receptacle 60 facilitates an axis of rotation in a razor handle, specifically an axis of rotation substantially perpendicular to one or more blades when a razor is assembled and substantially perpendicular to a structure of a handle. When rotated from a resting position, receptacle 60 generates a return torque to return to the resting position by means of a spring element, such as a cantilever spring or a spring bundle. The return torque is generated by the cantilever tail 65 of the receptacle 60. For example, the return torque is generated by the elongated rod 67 of the tail in the cantilever 65. The receptacle 60 also serves as a vehicle for an ejector button assembly, a docking station, and / or a blade cartridge unit (for example, through the docking station).
[029] In one embodiment, receptacle 60 is unitary and, optionally, formed from a single material. Additionally or alternatively, the material is flexible, so that the entire receptacle 60 is flexible. Preferably, the receptacle 60 is integrally shaped so that the cantilevered tail 65, which comprises the elongated stem 67 and the perpendicular bar 68, and the base 62 are integrally formed. The unitary design ensures that the base 62 and the cantilever tail 65 are in proper alignment with respect to each other. For example, the position of the cantilevered tail 65 in relation to an axis of rotation is then controlled, as well as the perpendicular orientation of the base 62 and the cantilevered tail 65. In addition, the base 62 and the cantilevered tail 65 do not separate after falling impact.
[030] Now with reference to Figure 9, the portion of a cable structure 72 comprises a substructure 7 4 and one or more openings 76 defined in substructure 74. In one embodiment, the openings 76 are, in general, cylindrical. The term "generally cylindrical" means that the openings 76 may include non-cylindrical elements, for example, ridges, protuberances, or recesses, and / or may include regions along their length that are non-cylindrical, such as tapered ends and / or extended due to manufacturing and design considerations. In addition, substructure 74 can be opened at least at one end and define a hollow inner portion. In addition or alternatively, the bearing surface 77 may surround one or more of the openings 76 such that the bearing surface 77 extends into the hollow inner portion. For example, the support surfaces 77 may surround each of the openings 76. One or more walls 78 may have a portion thereof extending into the hollow interior portion. In one embodiment, a pair of walls 78 can each have a portion extending into the hollow interior portion. Optionally, the wall pair 78 can be moved so that they are not in opposite alignment. For example, walls 78 can be generally parallel and, in general, not coplanar. In addition, the pair of walls 7 8 can be arranged so that they do not overlap. Top surfaces 79 of walls 78 may have an entry surface area, such as a sloping top surface or a circular edge surface to carry a distal end of a cantilevered tail of a receptacle inwardly and between walls 78 during the assembly. Additionally or alternatively, the hollow interior portion may also include at least one shelf 80 or at least an inclined surface that, at least partially, extends into the hollow interior portion.
[031] In one embodiment, substructure 74 forms a closed, integral cycle to provide structural strength and integrity. Alternatively, substructure 74 does not form a closed loop, however, it is still fully formed. Where substructure 74 does not form a closed loop, substructure 74 can be made thicker to obtain additional strength and integrity. In forming an integral structure, substructure 74 does not require separate components for assembly; the separate components can stand out after the fall impact. An integral structure facilitates fabrication, for example, through the use of a single material, and when substructure 74 is optionally substantially rigid or immovable, the stiffness helps to prevent spreading openings 76 after the impact of a fall and thereby This way, it helps to prevent the release of an engaged receptacle. In this way, substructure 74 can be durable and produced from non-deforming material, for example, metal casting, such as zinc casting, or substantially rigid or immobile plastic. The stiffness of the substructure 74 also facilitates the most reliable control of the distance from the openings 76, as well as their concentric alignment. In one embodiment, substructure 74 is integrally formed with walls 78 to form a component. Additionally or alternatively, the entire structure 72 of the handle can be substantially rigid or immovable, with soft or elastic components optionally being arranged on structure 72 to assist the user in grasping the razor.
[032] Figures 10A to 10E show a procedure for assembling a cable of the present invention. The cable structure 82 comprises a substructure 84 that defines an opening at least at one end and a hollow inner portion at the same. Each of the pairs of displaced walls 86 of a structure 82 has a portion thereof extending into the hollow interior portion. A flexible receptacle 90 comprises a base 92 and a flexible cantilevered tail extending from a base 92. The cantilevered tail comprises an elongated rod 94 and a perpendicular bar 96 at a distal end thereof. To engage the frame 82 and the receptacle 90, the receptacle 90 is positioned (Step 1) within the hollow inner portion of a structure 82 and is aligned so that a first fixing means 98 of the receptacle 90 corresponds in shape and is aligned with a second fixing means 100 of a structure 82 and the perpendicular bar 96 of the cantilevered tail is positioned close to the walls 86 of a structure 82. In one embodiment, the first fixing means 98 of the receptacle 90 comprises one or more projections which extend from a base 92 and the second fastening means 100 of a structure 82 comprises one or more openings formed in a substructure 84. To help prevent improper alignment and engagement of receptacle 90 and substructure 84, in modalities with a plurality of projections extending from a base 92 and the plurality of openings formed in a substructure 84, one of the projections is larger than the other projections and one of the openings with responses is larger than the other openings. Additionally or alternatively, the first fixing means 98 of the receptacle 90 comprises one or more openings formed in the base 92 and the second fixing means 100 of a structure 82 comprises one or more projections extending into the hollow interior portion of the substructure 84. The base 92 and / or the first fixing means 98 of the receptacle 90 are then compacted and positioned (step 2) so that the first fixing means 98 is aligned with the second fixing means 100 and the crossbar 96 is positioned between the walls 86. When not compressed, the first fixing means 98 is coupled with the second fixing means 100 and the perpendicular bar 96 is loosely retained by the walls 86. In a cantilevered tail mode, only the distal end of the cantilevered tail, specifically, the perpendicular bar 96, comes into contact with structure 82 when receptacle 90 is uncompressed. For example, substantially the entire elongated stem 94 of the cantilevered tail does not come into contact with structure 82. In an embodiment in which receptacle 90 comprises rolling sandpaper and substructure 84 comprises support surfaces, when receptacle 90 is coupled to the substructure 84, the bearing grips of the receptacle 90 are configured in such a way that substantially the remaining portions of the base 92 (for example, in addition to the bearing grips and the first fixing means 98) do not come in contact with the substructure 84. the rolling files and the first fixing means 98 coming into contact with the substructure 84 serve to reduce or minimize the friction and / or resistance of the receptacle 90 when rotated in relation to the substructure 84. The portion of a docking station 102 is then positioned (Step 3) within a hollow inner portion of receptacle 90 and then coupled (Step 4) to receptacle 90 so that docking station extensions 102 correspond in shape and be combined with grooves and / or retainers on an interior surface of receptacle 90. In one embodiment, docking station 102 is substantially rigid, so that receptacle 90 is attached in engagement with frame 82 when the station coupling 102 is coupled to receptacle 90. In addition or alternatively, docking station 102 is stationary in relation to receptacle 90. For example, wires can attach docking station 102 to receptacle 90. In one embodiment, when the docking station 102 is attached to the receptacle 90, the docking station 102 can expand the receptacle 90, for example, the distance between the projections, in addition to the dimensions molded as receptacles 90. An ejector button set 104 corresponds in shape and couples (Step 5) with receptacle 90 for alignment and interconnection extensions of the set of ejector button 104 with grooves and / or retainers on the internal surface of receptacle 90. In a modalidad and, when the ejector button assembly 104 is engaged with the receptacle 90, the ejector button assembly 104 is movable with respect to the receptacle 90 and the docking station 102 is such that the movement of the ejector button assembly 104 ejects a unit of blade cartridge attached to the docking station. In an alternative embodiment, the ejector button assembly 104 can be engaged with receptacle 90 before docking station 102 is engaged with receptacle 90.
[033] Figure 11 describes a procedure for compressing and decompressing a flexible receptacle 110, comprising a base 112 and one or more projections 114 extending from the base 112. In one embodiment, the entire receptacle 110 is flexible and therefore, compressible so that the receptacle 110 is engageable with the structure 116 (shown in sectional view in Figure 11) defining one or more openings 118 and a hollow inner portion. To engage receptacle 110 with structure 116, similar to that discussed above, receptacle 110 is positioned (Step 1) within the hollow interior portion of structure 116. Base 112 and / or projections 114 of receptacle 110 are then compacted (Step 2A) so that the projections 114 freely clean the hollow interior portion of a structure 116 and the projections 114 can then be aligned with the openings 118. By compressing the base 112 along the portions with the projections 114, the base 112 and projections 114 of receptacle 110 fit substantially entirely within the hollow interior of a structure 116. When decompressed (Step 2B), receptacle 110 is free to rotate back to its natural, open position, and projections 114 combine with openings 118. In one embodiment, when uncompressed, projections 114 penetrate deeply into openings 118 to securely attach to structure 116, which can be substantially rigid or immovable. Additionally or alternatively, the projections 114 correspond in size and combine with the openings 118 through a pin arrangement, ball or socket arrangement, snap connection, and friction connection.
[034] In one embodiment, when assembled, the distal end of the projections 114 can be arranged around or near an outer surface of a structure 116. And, such an arrangement, the strength of the entire razor set need not be compromised, so that the features can jump over each other in the assembly. In addition, separate features or components do not need to penetrate deeply into openings 118. For example, openings 118 are not defined by more than one component and openings 118 do not need to be partially opened at the top or bottom or partially exposed to engage projections 114 within openings 118. Because structure 116 is formed from substantially rigid or immovable material, projections 114 and openings 118 can be designed to engage without requiring any secondary activity, such as dimensional adjustment, to ensure proper placement while also minimizing the inclination of receptacle 110 when rotating with respect to structure 116. In one embodiment, structure 116 is integrally formed with the walls, as a pair of displaced walls, to form a substantially rigid or immobile component. In this arrangement, the resting position of receptacle 110 is more precisely controlled. Additionally or alternatively, structure 116 is, at least partially, formed from flexible material that can flex and / or stretch openly to facilitate engaging projections 114 within openings 118.
[035] Figures 12A to 12C depict a portion of a cable during various stages of rotation. A flexible receptacle 120 comprises a base 122 with projections 124 and a cantilevered tail 126 that extends therein. The cantilevered tail 126 comprises an elongated rod 127 and a perpendicular bar 128 at a distal end thereof. Frame 134 defines one or more openings 136, and frame 134 also comprises a pair of displaced walls 138. Figure 12A describes a resting position of receptacle 120 with respect to structure 134 when no force is applied to receptacle 120. In a In this embodiment, the cantilever tail 126 may have a preloaded spring when engaged with frame 134 which minimizes or eliminates the oscillation of receptacle 120 when receptacle 120 is in the resting position. The preloaded spring provides stability to a blade cartridge unit after contact with a shaving surface. In this arrangement, the resting position of receptacle 120 is a preloaded neutral position. The alignment of the receptacle 120 in the preloaded neutral position in relation to the structure 134 and the establishment of the preloaded spring are precisely controlled, because the receptacle 120 is a single, unitary component and the structure 134 and the walls 138 are formed a from a single, unitary component. In addition, by loosely retaining the perpendicular bar 128 of the cantilever tail 126 with a pair of offset walls 138, the requirement for clearance, for example, to take into account manufacturing errors and tolerances, between the perpendicular bar 128 and walls 138 is minimized or eliminated. The displacement of the walls 138 allows the perpendicular bar 128 to spatially overlap the walls 138 without causing the perpendicular bar 128 to adhere or restrict the walls 138, thus avoiding the need for opposite retaining walls. Opposite retaining walls require clearance between the walls and the perpendicular bar to allow free movement of the perpendicular bar and for manufacturing delimitation. Such a clearance would result in unrestricted or negligent movement of the receptacle in the preloaded neutral position, as well as perhaps zero preload. Alternatively, opposing retaining walls without clearance would hold the crossbar perpendicular and restrict movement.
[036] When forces are applied to receptacle 120, for example, through the blade cartridge unit when coupled to receptacle 120, receptacle 120 can rotate with respect to frame 134. Projections 124 of receptacle 120 are dimensioned so that projections 124 rotate within openings 136 to facilitate rotation of receptacle 120. In this arrangement, when receptacle 120 is engaged with frame 134, projections 124 can only rotate about the geometric axis, but cannot translate. In one embodiment, the projections 124 have a fixed axis (i.e., the concentric alignment of the openings 136) that can rotate from side to side. Additionally or alternatively, the projections 124 can be sized so that the frictional interference within the openings 136 provides certain desired movements or properties. When the receptacle 120 is rotated, because the perpendicular bar 128 of the receptacle 120 is loosely retained by the pair of displaced walls 138, the displaced walls 138 interfere and rotate the perpendicular bar 128 of the receptacle 120 so that the elongated rod 127 flexes. Optionally, substantially the entire cantilevered tail 126, including the elongated rod 127 and the perpendicular bar 128 flexes or moves during rotation. Alternatively, after rotation, only a portion of the cantilevered tail 126, specifically the elongated rod 127, flexes or moves. When flexing, the cantilever tail 126 generates a return torque to return receptacle 120 to the rest position. In one embodiment, the elongated rod 127 generates the return torque after the rotation of the receptacle 120. The greater the rotation of the receptacle 120, the greater the return torque generated. The range of rotation from a preloaded neutral position can be about +/- 4 degrees to about +/- 24 degrees, preferably about +/- 8 degrees to about +/- 16 degrees, and even more preferably, about +/- 12 degrees. The structure 134 of the cable can be configured to limit the rotation range of the receptacle 120. In one embodiment, shelves or inclined surfaces that extend into the interior of a structure 134 can limit the rotation range of the receptacle 120 so that one end of receptacle 120 will contact the respective shelf or inclined surface. The return torque can be linear or non-linear acting to return receptacle 120 to the rest position. In one embodiment, when turned to +/- 12 degrees from the rest position, the return torque can be about 12 N * mm.
[037] Various return torques can be obtained through combinations of material choices for a receptacle and dimensions of a cantilevered tail. In various modalities, to obtain a desired return torque, the material and / or shape of the receptacle can be selected from a range of highly flexible material with a thick and / or short cantilevered tail to a substantially rigid material with a tail in slender and / or long cantilever. The desired return torque range can be about 0 N * mm to about 24 N * mm, preferably about 8 N * mm to about 16 N * mm, and most preferably about 12 N * mm. Preferably, the receptacle is formed from thermoplastic polymers. For example, non-limiting examples of materials for the receptacle with desirable properties, such as flexibility, durability (breaking from falling impact), fatigue resistance (breaking from flexing in relation to repeated use), and creep resistance ( material relaxation), may include Polylac® 757 (available from Chi Mei Corporation, Tainan, Taiwan), Hytrel® 5526 and 8283 (available from EI duPont de Nemours & Co., Wilmington, Delaware, USA), Zytel® 122L (available from EI duPont de Nemours & Co., Wilmington, Delaware, USA), Celcon® M90 (available from Ticona LLC, Florence, Kentucky, USA), Pebax® 7233 (available from Arkema Inc., Philadelphia, Pennsylvania , USA), Crastin® S500, S600F20, S600F40, and S600LF (available from EI duPont de Nemours & Co., Wilmington, Delaware, USA), Celenex® 1400A (M90 (available from Ticona LLC, Florence, Kentucky, USA ), Delrin® ÍOOST and 500T (available from EI duPont de Nemours & Co. , Wilmington, Delaware, USA), Hostaform® XT 20 (available from Ticona LLC, Florence, Kentucky, USA), and Surlyn® 8150 (available from E. I. duPont de Nemours & Co., Wilmington, Delaware, USA). In addition, the selection of a material can affect the hardness and elastic limit of the receptacle or an elongated cantilevered tail rod. For example, each material can have different degrees of stiffness, depending on the temperature and rotation rate of the receptacle in relation to the structure. The dimensions of the cantilevered tail can be varied to achieve a desired torque and / or a desired hardness. For example, the cantilevered tail may be thicker and / or shorter (for increased hardness), as well as thinner and / or longer (for decreased hardness). In one embodiment, the thickness of the cantilevered tail, around its widest point, can be about 0.1 mm to about 3.5 mm, preferably about 0.4 to about 1.8 mm , even more preferably, about 1.5 mm. The length of the cantilevered tail can be from about 3 mm to about 25 mm, preferably from about 11 mm to about 19 mm, and even more preferably, from about 16 mm, like about 16, 6 mm. The height of the cantilevered tail can be from about 0.5 mm to about 14 mm, preferably from about 2 mm to about 8 mm, and most preferably from about 6 mm, such as about 6.2 mm.
[038] For example, with reference again to Figures 5 and 9, a receptacle 60 of the present invention can be molded from a material, such as Delrin® 500T. To obtain a tail return torque in cantilever 65 of 12 N * mm, when receptacle 60 has been rotated +/- 12 degrees from a resting position (for example, a preloaded neutral position), a length L1 of the elongated rod 67 is about 13.4 mm. The thickness T of the elongated stem 67, measured around its thickest point about a half-point along the length LI of the elongated stem 67, is about 0.62 mm. The height H of the elongated stem 67 is about 2.8 mm. The perpendicular bar 68 of the cantilevered tail 65 has a thickness t, measured around its widest point, of about 1.2 mm. In this embodiment, the thickness t of the perpendicular bar 68 is generally thicker than the thickness T of the elongated rod 67, although various modalities of the perpendicular bar 68 may have a greater or lesser thickness compared to the thickness of the elongated rod 67, the thickness t of the perpendicular bar 68 affects the preload of the tail in cantilever 65, but the thickness t of the perpendicular bar 68 may in general not affect the flexion of the elongated stem 67 and thus may not affect the return torque when receptacle 60 is rotated from the rest position. In one embodiment, the height H of the perpendicular bar 68 is greater than the height h of the elongated rod 67. For example, the height H of the perpendicular bar 68 can be in the range of about 0.2 times to about 5 times the height h of the elongated stem 67, preferably about 2.2 times the height H of the elongated stem 67 (e.g., about 6.2 mm). The length L2 of the perpendicular bar 68 is about 3.2 mm.
[039] When the receptacle 60 is coupled to the structure 72 of a cable and the perpendicular bar 68 is loosely retained by the pair of displaced walls 78, the distance between the center of height h of the perpendicular bar 68 to the point of contact with a displaced wall 78 can be in the range of about 0.4 mm to about 5 mm, preferably about 2.1 mm, so that, in general, the distance between displaced walls 78 is about 4.2 mm. In one embodiment, the dimensions between the walls 78 may vary with the dimensions of the cantilevered tail 65. When the receptacle 60 is coupled to the cable structure 72, the torsion of the perpendicular bar 68 is about 9.4 degrees, so that one of the displaced walls 78 laterally displaces the contact point of the perpendicular bar 68 in the range of about 0.1 mm to about 1.0 mm, preferably about 0.33 mm. The opening 76 in the front of a structure 72 is preferably about 3.35 mm in diameter and an opening 76 in the rear of a structure 72 is preferably about 2.41 mm in diameter. In one embodiment, any of the openings 76 of a structure 72 can have a diameter ranging from about 0.5 mm to about 10 mm. The corresponding projections 64 of the base 62 of the receptacle 60 are preferably about 3.32 mm and about 2.38 mm in diameter, respectively. In one embodiment, any of the projections 64 of the base 62 can have a diameter sized in the range of about 0.5 mm to about 11 mm. Due to the molding of the receptacle 60, the proximal portions of the projections 64 of the receptacle 60 can be tapered. Additionally or alternatively, the corresponding openings 76 of a structure 72 can be tapered or non-tapered. The distance between support surfaces 77 within the interior of a structure 72 is preferably about 12.45 mm. In one embodiment, the distance between the support surfaces 77 can be in the range of about 5 mm to about 20 mm. When receptacle 60 is attached to frame 72 and the docking station (not shown) is attached to receptacle 60, the distance between the bearing files 66 of receptacle 60 can be in the range of about 5 mm to about 20 mm preferably about 12.3 mm.
[040] In one embodiment, to obtain similar stiffness and / or return torques of the elongated rod 67 using other materials, the thickness of the elongated rod 67 can be varied. For example, the formation of the receptacle 60 from Hostaform® XT 20, the thickness T of the elongated stem 67 can be increased by about 13% to about 23%, preferably by about 15% to about 21% , and even more preferably, about 18%. The formation of the receptacle 60 from Delrin® ÍOST, the thickness T of the elongated stem 67 can be increased by about 14% to about 24%, preferably by about 16% to about 22%, and more preferably still, about 19%.
[041] Figure 13 defines a portion of a cantilevered tail 140 when a receptacle is in a resting position (for example, a preloaded neutral position). In one embodiment, the thickness of a perpendicular bar 142 and / or the spacing of a pair of displaced walls 144 can be configured so that the perpendicular bar 142 or the entire cantilevered tail 140 is twisted, thereby forming a spring preloaded for a cantilevered tail 140, when the receptacle is in the resting position. For example, the torsion angle of the perpendicular bar 142 when the receptacle is in the preloaded neutral position can be in the range of about 2 degrees to about 25 degrees, preferably from about 8 degrees to about 10 degrees, and even more preferably, about 9.4 degrees. Additionally or alternatively, the displaced walls 144 loosely retain the perpendicular bar 142 without gripping or restricting movement of the perpendicular bar 142 when the perpendicular bar 142 is twisted in the rest position.
[042] When a receptacle is coupled to a structure, based on the materials of the receptacle and the structure and the dimensions and engagement of these components, several properties of the entire rotary system provide an understanding of how a razor of the present invention follows closer to the contours of the skin. Some properties of the rotary system include hardness (for example, primarily hardness of the receptacle during slow and fast rotation), damping (for example, rotation control due to friction of the receptacle in relation to the structure), and inertia (for example, amount of torque needed to generate the rotation).
[043] The frame, receptacle, ejector button assembly, docking station, and / or blade cartridge unit are configured to simplify the assembly, for example, in high speed manufacturing. Each component is configured to automatically align and seat securely. In one embodiment, each component engages another component in only a single orientation, so that the components cannot be mounted imprecisely or ineffectively. In addition, each component does not require an additional dimensional turning step or any secondary manufacturing adjustment to ensure proper engagement with other components. The cable design also offers control and precision. For example, when the razor is mounted, the receptacle and / or the blade cartridge unit is substantially centralized, the preloading of the cantilevered tail and / or the perpendicular bar of the receptacle is controlled precisely over time even after repeated use, and the performance of the cantilevered tail, for example, acting as a spring, is controlled, consistent, and robust.
[044] It should be understood that each maximum numerical limit mentioned in this specification includes each of the lower numerical limits, as if such lower numerical limits were expressly registered in this document. Each minimum numerical limit mentioned in this specification includes each of the upper numerical limits, as if such upper numerical limits were expressly registered in this document. Each number range mentioned in this specification includes each more restricted number range that is within that broader number range, as if such more restricted number ranges were expressly recorded in this document.
[045] The dimensions and values presented in the present invention should not be understood as being strictly limited to the exact numerical values mentioned. Instead, unless otherwise specified, each of these dimensions is intended to mean both the mentioned value and a range of functionally equivalent values around that value. For example, a dimension displayed as "40 mm" is intended to mean "about 40 mm".
[046] Each of the documents cited in the present invention, including any cross reference, related patent or patent application, is hereby incorporated in its entirety, by way of reference, unless expressly excluded or otherwise limited. The citation of any document is not an admission that it is prior art in relation to any invention presented or claimed in this document, or that it, alone or in any combination with any other reference or references, teaches, suggest or present any invention like that. In addition, if there is a conflict between any meaning or definition of a term mentioned in this document and any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document will take precedence.
[047] Although particular embodiments of the present invention have been illustrated and described, it should be apparent to those skilled in the art that various other changes and modifications can be made without departing from the character and scope of the invention. Therefore, it is intended to cover in the appended claims all such changes and modifications that fall within the scope of the present invention.

权利要求:
Claims (17)
[0001]
1. A handle (20, 40) for a razor (10) comprising: a frame (22, 42, 72, 82, 116, 134); and a flexible receptacle (50, 60, 90, 110, 120) comprising a base (62, 92, 112, 122) with the first fixing element, the first fixing element (64, 98, 114, 124) corresponds to shape and connects to a second fixing element (76, 100, 118, 136) of the structure (22, 42, 72, 82, 116, 134), the flexible receptacle (50, 60, 90, 110, 120) it is compressible and decompressible to engage the first fastener (64, 98, 114, 124) of the flexible receptacle (50, 60, 90, 110, 120) with the second fastener (76, 100, 118, 136) of the structure (22, 42, 72, 82, 116, 134); characterized by: the flexible receptacle being operationally coupled to the structure, such that the flexible receptacle is configured to rotate around an axis perpendicular to the structure
[0002]
Cable (20, 40) according to claim 1, characterized in that the flexible receptacle (50, 60, 90, 110, 120) additionally comprises a cantilevered tail (54, 65, 126, 140) extending from the base (62, 92, 112, 122), a distal end of the cantilevered tail (54, 65, 126, 140) being retained by the structure (22, 42, 72, 82, 116, 134) allowing the end distal to move.
[0003]
Cable (20, 40) according to claim 2, characterized in that the cantilevered tail (54, 65, 126, 140) comprises an elongated rod (67, 94,127) and a perpendicular bar at the distal end of the tail in cantilever, so that the perpendicular bar (68, 96, 128, 142) is retained by the structure (22, 42, 72, 82, 116, 134).
[0004]
4. Cable (20, 40) according to claim 3, characterized in that the entire elongated rod (67, 94, 127) does not come into contact with the structure (22, 42, 72, 82, 116, 134).
[0005]
Cable 20, 40) according to claim 3, characterized in that the flexible receptacle is unitary (50, 60, 90, 110, 120).
[0006]
Cable (20, 40) according to claim 3, characterized in that the structure (22, 42, 72, 82, 116, 134) comprises a pair of walls that retain the distal end of the cantilevered tail (54, 65, 126, 140).
[0007]
Cable (20, 40) according to claim 6, characterized in that the pair of walls comprises a first wall and a second wall (56, 78, 86, 138, 144) which are displaced so that the first wall and the second wall are parallel and not coplanar.
[0008]
Cable (20, 40) according to claim 7, characterized in that the structure (22, 42, 72, 82, 116, 134) additionally comprises a rigid substructure (74, 84) so that the flexible receptacle ( 50, 60, 90, 110, 120) is coupled to the substructure (74, 84).
[0009]
Cable (20, 40) according to claim 8, characterized in that the substructure (74, 84), the first wall and the second wall (56, 78, 86, 138, 144) are integrally formed.
[0010]
Cable (20, 40) according to claim 1, characterized in that the first fixing element (64, 98, 114, 124) comprises at least one projection (64, 98, 114, 124) extending to from the base (62, 92, 112, 122) and the second fastening element (76, 100, 118, 136) comprises at least one opening (76, 100, 118, 136) formed in the structure (22, 42 , 72, 82, 116, 134).
[0011]
Cable (20, 40) according to claim 10, characterized in that each of at least one projection and at least one opening is, in general, cylindrical.
[0012]
Cable (20, 40) according to claim 11, characterized in that at least one projection comprises a first projection and a second projection, the first projection has a larger diameter than the second projection, and at least an opening (76, 100, 118, 136) comprises a first opening and a second opening, the first opening having a larger diameter than the second opening.
[0013]
Cable (20, 40) according to claim 10, characterized in that at least one projection (64, 98, 114, 124) extends through at least one opening (76, 100, 118, 136) when the flexible receptacle (50, 60, 90, 110, 120) is coupled to the structure (22, 42, 72, 82, 116, 134).
[0014]
Cable (20, 40) according to claim 13, characterized in that the distal end of the at least one protrusion (64, 98, 114, 124) is flush with an exterior of the structure (22, 42, 72, 82 , 116, 134) when the flexible receptacle (50, 60, 90, 110, 120) is coupled to the structure (22, 42, 72, 82, 116, 134).
[0015]
Cable (20, 40) according to claim 1, characterized in that the base (62, 92, 112, 122) is compressible and decompressible.
[0016]
16. Cable (20, 40) according to claim 15, characterized by the fact that the first fixing element (64, 98, 114, 124) is compressible and decompressible.
[0017]
17. Shaver (10), characterized in that it comprises: a handle (20) as defined in any one of claims 1 to 16; and a blade unit (30) releasably attached to the cable (20), the blade unit (30) comprising at least one blade (32) and the blade unit (30) is rotatably connected to a connection structure of the blade cartridge, so that the blade unit is configured to rotate about the second geometry axis parallel to at least one blade.

类似技术:

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同族专利:

公开号 | 公开日

ZA201303092B|2018-12-19|

AU2011308850B2|2014-08-28|

CN103140334A|2013-06-05|

US20120073149A1|2012-03-29|

RU2539258C2|2015-01-20|

EP2621690B1|2015-12-09|

AU2011308850A1|2013-03-14|

JP5657803B2|2015-01-21|

US8745882B2|2014-06-10|

BR112013005564A2|2018-06-19|

RU2013109768A|2014-11-10|

PL2621690T3|2016-05-31|

CA2809861C|2017-11-28|

EP2621690A1|2013-08-07|

ES2563784T3|2016-03-16|

JP2013538648A|2013-10-17|

WO2012044721A1|2012-04-05|

CA2809861A1|2012-04-05|

MX2013003687A|2013-05-09|

CN103140334B|2016-06-15|

MX336036B|2016-01-07|

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