Shaving razor system including skin interconnect member
阅读说明:本技术 包括皮肤互连构件的剃刮剃刀系统 (Shaving razor system including skin interconnect member ) 是由 A·B·帕特尔 R·H·约翰逊 J·A·华盛顿 M·H·布鲁诺 于 2019-03-27 设计创作,主要内容包括:本发明涉及一种剃刮剃刀系统。所述剃刀系统具有柄部和剃刀刀片架。所述柄部具有与所述柄部的近端部分成枢转关系的至少一个皮肤互连构件。所述剃刀刀片架具有壳体、至少一个刀片、以及延伸穿过所述壳体的至少一个开口。当所述皮肤互连构件设置在所述开口内时,所述剃刀刀片架与所述皮肤互连构件接合,从而将所述剃刀刀片架固定到所述柄部的近端部分。所述剃刀刀片架与所述柄部成枢转关系,但与所述皮肤互连构件不成枢转关系。所述剃刀系统的枢转点理想地设置在所述刀片架的前部刀片附近。所述剃刀系统中的移动轴线可以由剃刀部件的不同物理连接顺序来提供。(The present invention relates to a shaving razor system. The shaving razor system has a handle and a shaving razor cartridge. The handle has at least one skin interconnecting member in pivotal relationship with a proximal end portion of the handle. The razor cartridge has a housing, at least one blade, and at least one opening extending through the housing. When the skin interconnect member is disposed within the opening, the razor cartridge engages the skin interconnect member, securing the razor cartridge to the proximal end portion of the handle. The razor cartridge is in a pivotal relationship with the handle but not with the skin interconnect member. The pivot point of the razor system is desirably disposed near the front blade of the cartridge. The axes of movement in the razor system may be provided by different sequences of physical connections of the razor components.)
1. A shaving razor system comprising:
a razor cartridge comprising
A housing having a front side and a front blade having a cutting edge, the front blade mounted to the housing, the front blade being proximate the front side of the housing;
at least one opening in the housing disposed forward of the front blade, the at least one opening extending through the housing from a top surface of the housing to a bottom surface of the housing;
a handle comprising
A proximal end portion, a distal end portion, and at least one skin interconnecting member in pivotal relationship with the proximal end portion of the handle;
wherein the at least one skin interconnecting member is engaged within the at least one opening of the housing to provide the razor cartridge with a pivot point P relative to the handle located at most about 3.5mm forward of the forward blade edge, at most about 11mm rearward of the forward blade edge, at most about 1mm above the shaving plane S, and at most about 2.5mm below the shaving plane S, and wherein the at least one skin interconnecting member does not pivot relative to the housing.
2. The shaving razor system of any preceding claim wherein the at least one skin interconnecting member comprises a fluidic element, a thermal element, a skin scrubbing element, a hair trimmer, an epilator, or any combination thereof.
3. The shaving razor system of claim 1 or 2 wherein the shape of the opening and the shape of the at least one skin interconnecting member are substantially similar.
4. The shaving razor system according to any one of claims 1 to 3 wherein the at least one skin interconnecting member comprises a trapezoidal prism shape.
5. The shaving razor system of any preceding claim wherein the at least one opening comprises a funnel shape.
6. The shaving razor system of any preceding claim wherein the perimeter of the opening at the bottom surface of the housing is greater than the perimeter of the opening at the top surface of the housing.
7. The shaving razor system according to any preceding claim wherein the perimeter of the opening at the bottom surface of the housing is in the range of about 75mm to about 100 mm.
8. The shaving razor system according to any preceding claim wherein the perimeter of the opening at the top surface of the housing is in the range of about 50mm to about 70 mm.
9. The shaving razor system according to any preceding claim wherein the top surface of the at least one skin interconnecting member is not disposed on the shaving plane of the razor cartridge.
10. The shaving razor system according to any preceding claim wherein the handle comprises a mass of about 57 grams to about 150 grams.
11. The shaving razor system according to any preceding claim wherein the razor cartridge is releasably engageable with the at least one skin interconnect member to replaceably secure the razor cartridge to the proximal end portion of the handle.
12. The shaving razor system according to any preceding claim wherein the at least one skin interconnecting member has a length of about 20mm to about 40mm, a width of about 1.5mm to about 5mm, greater than about 300mm3About 40mm, volume of2To about 120mm2Or any combination thereof.
13. The shaving razor system of any preceding claim wherein the at least one skin interconnecting member has a skin interfacing surface.
14. A shaving razor according to any preceding claim wherein the order of physical connection of the components comprises: connecting the razor cartridge to the skin interconnect member, connecting the skin interconnect member to a mechanism that is rotatable about axis a1, connecting the axis a1 mechanism to a mechanism that is rotatable about axis a4 and/or axis A3 and/or axis a2, connecting the axis a4 mechanism and/or the axis A3 mechanism and/or the axis a2 mechanism to the handle, the pivotal relationship of the skin interconnect member to the proximal end portion of the handle being comprised of one or more rolling element bearings, or a combination thereof.
15. The shaving razor of any preceding claim, wherein the one or more walls of the housing defining the opening only partially surround the skin interconnecting member, and wherein at least a portion of the one or more walls is forward of a portion of the skin interconnecting member, at least a portion of the one or more walls is rearward of a portion of the skin interconnecting member, or a combination thereof.
Technical Field
The present invention relates to a shaving razor system, and more particularly to a shaving razor system including at least one skin interconnecting member.
Background
Razor cartridges are used to cut or shave a user's hair. The cartridge includes one or more blades having at least one sharpened edge. The blade is held in place by an assembly known as a housing. The housing typically includes one or more features to improve the overall shaving experience. Such common components include a guard located on the housing in front of the blades and a cap located behind the blades. The guard typically includes an elastomeric member and the cap typically includes some sort of lubricating strip.
There are a large number of razor cartridge configurations on the market today. Some configurations have large guards, some have smaller guards, some guards have elastomeric members with ridges and others have elastomeric members with depressions, and some guards have lubricating strips. Similarly, some razor cartridges have large caps, some have smaller caps, and some caps have a lubricating strip. Most razors today provide skin benefits directly on the razor cartridge via a cap, lubricating strip, soap element, and/or skin engaging elastomeric fin element.
Most wet shaving systems currently available use these types of razor cartridges attached to a handle. After the blades within the razor cartridge have become dulled, the razor cartridge may be discarded and a new razor cartridge may be attached to the same handle. The user typically holds the handle in the hand for an extended period of time. Razor cartridges have been attached to handles using a variety of techniques. Most techniques involve attaching the razor cartridge to the handle in a manner that enables the razor cartridge to pivot about its long axis in a controlled manner. The pivotal attachment of the razor cartridge enables one or more blades mounted in the razor cartridge to follow the skin surface contour independent of the handle orientation. The razor cartridge is capable of pivoting between extremes and is generally biased toward a preferred neutral angular position relative to the handle. Various techniques have been used to disengage the razor cartridge from the handle. Most techniques include a cartridge ejection mechanism mounted on the handle that is spaced alongside the razor cartridge when the handle is attached to the cartridge. The pivoting function provided on a razor cartridge as well as the pivoting function between the razor cartridge and the handle and cartridge ejection mechanisms are expensive and complex to manufacture.
In addition, to meet consumer needs, a number of cartridge designs have been conceived. However, the hundreds of designs cost costs and as much effort is spent on each design. That is, each cartridge is designed from scratch such that none of the molds and production equipment used to make one cartridge can be used to make a different style cartridge. For example, for manufacturing GilletteTMMach3TMMolds and production equipment for razor cartridges cannot be used to make GilletteTMFusionTMA razor cartridge. This results in higher costs because product design, molding and equipment production have to be done separately for each product.
Accordingly, alternative overall razor designs are needed to reduce the cost and effort of producing different razor cartridges to meet consumer needs.
Ideally, one would like to start with a standard blade unit that houses blades that can be quickly, easily, intuitively, and safely attached to a handle. However, there is also a need for a razor cartridge that is capable of pivoting relative to a handle, but is less complex and less costly to manufacture and assemble.
In this way, a variety of handle configurations can be flexibly used for the standard blade unit or a small number of standard blade units. It is an object of the present invention to provide a desired skin benefit as a pivoting portion of a handle.
Disclosure of Invention
The present invention relates to a shaving razor system comprising a razor cartridge including a housing having a front side and a front blade having a cutting edge, the front blade being mounted to the housing and the front blade being closest to the front side of the housing. There is at least one opening in the housing disposed forward of the front blade that extends through the housing from a top surface of the housing to a bottom surface of the housing.
In a first aspect, the handle comprises a proximal end portion, a distal end portion and at least one skin interconnection member in a pivotal relationship with the proximal end portion of the handle. The at least one skin interconnect member is engaged within the at least one opening of the housing to provide a pivot point P for the razor cartridge relative to the handle at most about 3.5mm forward of the front blade edge, at most about 11mm rearward of the front blade edge, at most about 1mm above the shaving plane S, and at most about 2.5mm below the shaving plane S, and wherein the at least one skin interconnect member does not pivot relative to the housing.
In one aspect, the at least one skin interconnection member comprises a fluidic element, a thermal element, a skin scrubbing element, a hair trimmer, an epilator, or any combination thereof.
In one aspect, the shape of the opening and the shape of the at least one skin interconnecting member are substantially similar. The at least one skin interconnect member comprises a trapezoidal prism shape.
In another aspect, the at least one opening comprises a funnel shape. The periphery of the opening at the bottom surface of the housing is larger than the periphery of the opening at the top surface of the housing. The perimeter of the opening at the bottom surface of the housing is in the range of about 75mm to about 100 mm. The perimeter of the opening at the top surface of the housing is in the range of about 50mm to about 70 mm. The top surface of the at least one skin interconnecting member is not disposed in the shaving plane of the razor cartridge.
In one embodiment, the handle comprises a mass of about 57 grams to about 150 grams.
In addition, the razor cartridge is releasably engageable with the at least one skin interconnect member to replaceably secure the razor cartridge to the proximal end portion of the handle.
Further, the at least one skin interconnecting member has a length of about 20mm to about 40mm, a width of about 1.5mm to about 5mm, greater than about 300mm3About 40mm, volume of2To about 120mm2Or any combination thereof.
In other aspects, the at least one skin interconnecting member has a skin interfacing surface. One or more ports are disposed on a top surface of the at least one skin interconnecting member.
Other embodiments relate to a physical connection sequence of components including: connecting the razor cartridge to the skin interconnect member, connecting the skin interconnect member to a mechanism that is rotatable about axis a1, connecting the axis a1 mechanism to a mechanism that is rotatable about axis a4 and/or axis A3 and/or axis a2, connecting the axis a4 mechanism and/or axis A3 mechanism and/or axis a2 mechanism to the handle.
In another aspect, the order of physical connection of the components comprises: connecting the razor cartridge to the skin interconnect member, connecting the skin interconnect member to a mechanism that enables rotation about axis a4 and/or axis A3 and/or axis a2, connecting the axis a4 mechanism and/or axis A3 mechanism and/or axis a2 mechanism to a mechanism that enables rotation about axis a1, connecting the axis a1 mechanism to the handle.
The physical connection sequence of the components comprises: connecting the razor cartridge to the skin interconnect member, connecting the skin interconnect member to a mechanism that enables rotation about axis a1, axis a2, axis A3, and/or axis a4, coupling the axis a1 mechanism, the axis a2 mechanism, the axis A3 mechanism, and/or the axis a4 mechanism to the handle.
The pivotal relationship of the skin interconnecting member to the proximal end portion of the handle includes one or more sliding contact bearings. The pivotal relationship of the skin interconnecting member to the proximal end portion of the handle includes one or more rolling element bearings. The mechanism enabling rotation about the axis a1 comprises one or more rolling element bearings. The mechanism enabling rotation about the axis a1 comprises one or more rolling element bearings. The mechanism enabling rotation about the axis a1 comprises one or more rolling element bearings.
In other embodiments, the handle comprises a handle neck region and a handle body, and the PL1 to PL2 angle between the shaving plane S and the mid-plane PL2 of the handle body is about-60 degrees to +90 degrees. The handle comprises a handle neck region and a handle body, and the PL1 to PL2 angle between the shaving plane S and the median plane PL2 of the handle body is about-45 degrees to +45 degrees.
The handle comprises a handle neck region and a handle body, and the angle PL2 between the mid-plane PL2 of the handle body and the mid-plane PL3 of the handle neck region to PL3 is about-100 degrees to +100 degrees.
The handle comprises a handle neck region and a handle body, and the angle PL2 between the mid-plane PL2 of the handle body and the mid-plane PL3 of the handle neck region subtends an angle of about-45 degrees to +90 degrees to PL 3.
In other aspects, the rotational stiffness of the mechanism that enables the skin interconnecting member to rotate about axis A1 is about 0N-mm/deg to 0.5N-mm/deg. Such that the rotational stiffness of at least one or more of the mechanisms capable of rotating about axis A2, axis A3, axis A4, axis A5, or a combination thereof is about 0.8N-mm/deg to about 2.0N-mm/deg.
In one embodiment, the wall of the housing defining the opening only partially surrounds the skin interconnection member and a portion of the wall is forward of a portion of the skin interconnection member.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention, suitable methods and materials are described below. All publications, patent applications, patents, and other references mentioned herein are incorporated by reference in their entirety. In case of conflict, the present specification, including definitions, will control. In addition, the materials, methods, and examples are illustrative only and not intended to be limiting.
Other features and advantages of the invention will be apparent from the following detailed description, and from the claims.
Drawings
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below. It should be understood that certain embodiments may combine elements or components of the present invention that are generally disclosed but not explicitly illustrated or claimed in combination unless otherwise indicated herein. Other features and advantages of the invention will be apparent from the description and drawings, and from the claims.
Fig. 1A is a perspective view of a shaving razor system including at least one skin interconnecting member according to the present invention.
Fig. 1B-1C are front and rear perspective views of a razor cartridge of the present invention.
Fig. 1D is a schematic view of a razor blade of the present invention.
Fig. 2A-2B show top and rear perspective views of a shaving razor including at least one skin interconnect member for delivering a heating or cooling skin benefit according to the present invention.
Fig. 2C is a perspective view of the shaving razor handle shown in fig. 2A including at least one skin interconnect member for heating or cooling skin benefits.
Fig. 2D is a close-up perspective view of the skin interconnecting member of the handle of the shaving razor shown in fig. 2B.
Fig. 3A-3B show top and bottom perspective views of a shaving razor including at least one skin interconnect member for delivering a fluid to provide a skin benefit according to the present invention.
Fig. 3C is a perspective view of a shaving razor handle including at least one skin interconnect member for delivering a fluid to provide a skin benefit according to the present invention.
FIG. 3D is a close-up perspective view of the skin interconnecting member of the handle of the shaving razor shown in FIG. 3B.
Fig. 4A to 4D show schematic views of trapezoidal prismatic elements of the present invention.
Fig. 5A-5B show close-up perspective and exploded views of the skin interconnecting member of the present invention.
Fig. 6A-6D are perspective views of a shaving razor system showing the axes of movement and the graphical layout of the razor of the present invention.
Fig. 7 is a cross-sectional view of a razor system according to the invention showing the pivot point region.
Fig. 8 is a cross-sectional view of a skin interconnecting member showing the pivot point region according to an alternative embodiment of the present invention.
Fig. 9 is a cross-sectional view of the skin interconnecting member showing the pivot point area of fig. 8.
Fig. 10A-10H show schematic views of razor cartridges and the top surface of a skin interconnecting member of the present invention.
Fig. 11A is a cross-sectional view of a razor system showing a pivot point region according to the present invention.
Fig. 11B is a cross-sectional view of a razor system showing a pivot point region according to the present invention.
Fig. 12A-12G are perspective views of embodiments having various physical connection sequences of razor components according to the present invention.
Detailed Description
The present invention relates to a novel shaving razor array system. The shaving razor array system has one or more handles capable of being coupled with one or more razor cartridges. Each handle has a proximal end portion, a distal end portion, and at least one skin interconnecting member in pivotal relationship to the proximal end portion. Each razor cartridge has a housing, a guard, a cap, and at least one blade. The razor cartridge is releasably engageable with the at least one skin interconnect member to replaceably secure the razor cartridge to the proximal end portion of the handle.
Referring to fig. 1A, a perspective view of one embodiment of a shaving
The
The
Fig. 1B-1C show a top view 120a and a bottom view 120B of a
FIG. 1C also shows a bottom view 120b of
As shown in fig. 1C, the
At least one
At least one blade may be mounted and secured to the housing by one or more clamps. Other assembly methods known to those skilled in the art may also be used to secure and/or mount the at least one blade to the housing, including but not limited to wire wrapping, cold forming, heat staking, insert molding, ultrasonic welding, and adhesion. The clamp may contain a metal, such as aluminum, for conducting heat and acting as a sacrificial anode to help prevent blade corrosion. The razor cartridge may have any number of blades depending on the desired performance and cost of the razor cartridge. Razor cartridges may have, for example, one blade, two blades, three blades, four blades, five blades, six blades, seven blades, or even more blades. Once the blades have become dulled (or damaged), the consumer may detach the razor cartridge from the skin interconnecting member and replace the used razor cartridge with a new one.
The cap of the razor cartridge may be a separate molded or extruded component mounted to the housing. The cap may be, for example, a reservoir or extruded lubricating strip filled with shaving aid. The cap may be, for example, a plastic or metal bar to support the skin and define a shaving plane. The cap may be molded or extruded from the same material as the housing, or may be molded or extruded from a more lubricious shaving aid composite having one or more water-leachable shaving aid materials to provide increased comfort during a shaving stroke.
The shaving aid composite may include a water insoluble polymer and a skin lubricating water soluble polymer. Suitable water-insoluble polymers that may be used include, but are not limited to, polyethylene, polypropylene, polystyrene, butadiene-styrene copolymers (e.g., medium and high impact polystyrene), polyacetal, acrylonitrile-butadiene-styrene copolymers, ethylene vinyl acetate copolymers, and blends such as polypropylene/polystyrene blends, may have high impact polystyrene (i.e., polystyrene-butadiene), such as Mobil 4324(Mobil Corporation). Suitable water-soluble polymers for lubricating the skin may include polyethylene oxide, polyvinylpyrrolidone, polyacrylamide, hydroxypropyl cellulose, polyvinyl imidazoline, and polyhydroxyethylmethacrylate. Other water soluble polymers may include polyethylene oxide (available from Union carbide corporation) or ALKOX (available from Meisei Chemical Works, Kyota, Japan), commonly known as POLYOX. These polyethylene oxides may have a molecular weight of about 100,000 to 6 million, for example about 300,000 to 5 million. The polyethylene oxide may comprise a blend of: about 40% to 80% of polyethylene oxide having an average molecular weight of about 500 million (e.g., polyoxxcoagulant) and about 60% to 20% of polyethylene oxide having an average molecular weight of about 300,000 (e.g., POLYOXWSR-N-750). The polyethylene oxide blend may also comprise up to about 10 weight percent of a low molecular weight (i.e., molecular weight less than about 10,000) polyethylene glycol, such as PEG-100.
The shaving aid composite may also include a complex of a skin soothing agent with: cyclodextrins, low molecular weight water-soluble release enhancing agents such as polyethylene glycols (e.g., 1 to 10 weight%), water-swellable release enhancing agents such as cross-linked polyacrylics (e.g., 2 to 7 weight%), colorants, antioxidants, preservatives, bactericides, beard softeners, astringents, depilatories, medicaments, conditioners, moisturizers, coolants, and the like.
The razor cartridge may or may not be of a removable type and may be of any suitable size and shape, including a housing having a top surface, a bottom surface, a front side, and a rear side. The cartridge includes one or more blades having one or more cutting edges mounted to a housing. The cartridge includes a front blade mounted to the housing toward the front side. The front blade is the blade closest to the front side of the housing.
The cartridge also desirably includes at least one handle engaging surface, preferably in the form of at least one opening or aperture in the housing. The opening is disposed forward of the front blade, and at least one opening extends through the housing from a top surface of the housing to a bottom surface of the housing.
In a preferred embodiment of the present invention, the cartridge opening desirably has a funnel shape and extends through the cartridge (e.g., from a top surface of the cartridge to a bottom surface of the cartridge). Due to the tapered nature of the funnel shape, there is a difference in the size of the opening. Ideally, the funnel shape is oriented such that the opening is larger on the bottom surface of the cartridge than at the top surface of the cartridge. The razor cartridges disclosed herein may include those disclosed in commonly owned co-pending U.S. application docket numbers 15140P, 15141P, 15142P, 15143P, 15144P, 15145P, 15146P, and 15147P, which are hereby incorporated by reference.
The razor cartridge may be attached to the handle by engaging the razor cartridge with at least one skin interconnect member on the handle. The bottom side of the opening on the rear side of the razor cartridge engages with the corresponding top application surface or surfaces on the at least one skin interconnecting member of the handle. When the skin interconnect member is pushed through the opening, the skin interconnect member approaches the opening on the top surface of the cartridge.
The skin interconnecting member is substantially enclosed within the opening of the razor cartridge. The shape of the opening is substantially similar to the shape of the skin interconnecting member such that the skin interconnecting member fits tightly and does not substantially move within the opening. In this way, the connection of the handle and cartridge is both secure and safe, providing a safe environment during shaving. If the opening in the cartridge is funnel-shaped, the skin interconnect member is also desirably substantially funnel-shaped in a complementary or conformal manner.
The razor cartridge may pivot between limits and may generally be biased toward a preferred neutral angular position relative to the handle. The pivot limit and bias may be achieved by any means known in the art, including mechanical limits.
The top surface or application surface of the skin interconnect member may or may not be coplanar with the blades or top surface of the razor cartridge.
The skin interconnect member provides a pivoting mechanism for the razor system after the skin interconnect member is engaged with the cartridge. The skin interconnect member does not pivot relative to the cartridge housing.
The razor cartridge may be mechanically aligned with the corresponding/opposing at least one skin interconnect member. The direction of force between opposing skin interconnecting members (e.g., between the razor cartridge and the at least one skin interconnecting member) may be generally transverse to the force required to remove the razor cartridge and attach the razor cartridge to the at least one skin interconnecting member (e.g., the at least one skin interconnecting member may be generally parallel to the elongated gripping portion of the handle).
As shown in fig. 1A, the
The at least one
As shown in the exemplified embodiment, the shaving razor may be configured to deliver a benefit to the skin of a user by extending the
Disclosed herein are two types of non-limiting embodiments of razors that provide skin benefits. The first embodiment shown in fig. 2A to 2D is of the type of razor that provides a benefit to the user by heating or cooling the skin. In fig. 2A and 2B, views 121A and 121B provide a top perspective view and a bottom perspective view of the first embodiment. This first embodiment may have a
Fig. 3A-3D illustrate another embodiment of a shaving
It should be appreciated that the consumer benefits provided by the
When the handle is brought into proximity with the razor cartridge and when the
The
For example, the
Most prior razors have a mechanical
The
The at least one
The shape of the at least one
The description of "trapezoidal prism" is used herein as the best description of the overall visual appearance of the skin interconnecting member, but this description does not imply any particular geometric or dimensional requirements beyond those described herein. That is, the skin interconnecting member including the cover member need not have a complete edge or surface. In addition, the edges need not be continuous and straight, and the sides need not be continuous and flat. Alternatively, a trapezoidal prism or prism-like shape may generally represent a multi-faceted body, with a pair of opposing facets tapering from a larger dimension to a smaller dimension. The larger sized faces are desirably disposed toward the handle, while the smaller sized faces are desirably disposed toward the razor cartridge. As such, the tapered shape of the skin interconnect member in one embodiment of the present invention desirably couples with a corresponding tapered shape in the razor cartridge to engage the handle with the cartridge. The corresponding shape is more intuitive for the user, may allow for better attachment and detachment, and may require less force during attachment and detachment while also allowing for good retention during shaving and trimming. The tapered shape of the skin interconnect member may provide greater bulk due to the smaller surface area of the cartridge (e.g., at the top surface of the skin interconnect member), thus providing greater benefits to the user.
Any other feasible shape, prism, and other shapes are also contemplated, such as triangular prisms, spheres, ellipsoids, cylinders, quadrilaterals, parallelograms, rectangles, squares, bars, or any combination thereof.
To engage or mate the handle to the razor cartridge, the cartridge desirably has a corresponding shape similar to the shape of the skin interconnect member in which it is disposed. The skin interconnect member may be latched to the razor cartridge to secure the handle to the cartridge. In one embodiment, the razor cartridge is releasably engaged with at least one skin interconnect member to replaceably secure the razor cartridge to the proximal end portion of the handle.
In fig. 5A-5B, the components of the
The at least one
In fig. 6A-6D, the graphical layout of
As shown in fig. 6C-6D, additional axes of rotation or directions of linear motion of the various components of the handle of the present invention may be generally defined using PL2, PL3, and PL 4. The axis a2 along the handle body 21 may be defined as the intersection of plane PL2 and plane PL 4; and an axis a3 along handle neck region 23 may be defined as the intersection of plane PL3 and plane PL 4. Another axis a4 within the handle neck region 23 may be defined as being perpendicular to plane PL3 and lying on plane PL 4. Another axis a5 within the handle body 23 may be defined as being perpendicular to the plane PL2 and lying on the plane PL4, as shown later in fig. 12A and 12B.
As shown in fig. 2C-2D, 3C-3D, and 5A-5B, the pivot mechanism 30 (e.g., spring return element, cradle arm) providing a pitch-type movement about pivot axis a1 is closest to the
In one embodiment shown in fig. 1A and 2B, the
Fig. 7 is a cross-sectional view 90 of
Fig. 8 depicts a cross-sectional view of
Fig. 9 depicts an alternative
For good shaving performance, the pivot point P2 is preferably located in region R2 at most about 2.00mm forward of point C (toward the front side of the cartridge), at most about 12.5mm rearward of point C, at most about 2mm above member plane B, and at most about 2.5mm below member plane B. The portion of region R2 above the component plane B is generally the portion disposed into the skin. The portion of region R2 below the component plane B is generally the portion disposed away from the skin. The pivot point location external to the razor cartridge may be created by a virtual pivot axis.
To meet the different habits, behaviors, and shaving benefit preferences of consumers, there is a need for an array of razor systems comprising a variety of razor handles and razor cartridges that is preferably capable of flexibly attaching a wide variety of handles with skin interconnecting members to a relatively small number of corresponding razor cartridges. Furthermore, to avoid consumer confusion and reduce manufacturing costs, it is preferred that the array of shaving razor systems be designed such that any cartridge can be releasably attached to any handle while delivering benefits from the handle through the skin interconnect member and providing good shaving performance in terms of comfort, closeness and efficiency.
In fig. 10A-10H, the schematic of the top surface views of
An array of shaving razor systems comprised of a variety of different razor handles having skin interconnecting members and a variety of different razor cartridges in which any cartridge mates with any handle preferably has a
Further, since the razor handles and razor cartridges are designed to work optimally together, the spectrum of shaving razor systems consisting of a variety of different razor handles having skin interconnecting members and a variety of different razor cartridges in which any cartridge mates with any handle preferably has a fixed distance between point C shown in FIGS. 8 and 9 and the critical cartridge features contained within region R. Fig. 11A and 11B show two non-limiting razor cartridge embodiments that work in any cartridge that mates with any handle that uses a skin interconnect member. View 120 corresponds to a 5-blade razor cartridge while
The at least one
Typically, the pivoting mechanism about axis a1 allows rotational movement from a range of about 0 degrees to about 50 degrees from the cartridge rest position. The rotational stiffness of the pivot mechanism about axis a1 can be measured by deflecting the
Typically, the pivoting mechanism about axis a2 or A3 (shown in fig. 6C) allows rotational motion in the range from-40 degrees to +40 degrees. The pivoting mechanism about axis a4 (shown in fig. 1A, 2A, and 6C) or axis a5 (shown in fig. 12B) typically allows rotational movement in the range from-20 degrees to +20 degrees. By deflecting the pivot by-5 degrees and +5 degrees and measuring the torque required to maintain that position, the rotational stiffness of the pivot mechanism about axis A2, axis A3, axis A4, or axis A5 can be measured. The rotational stiffness can be calculated by dividing the absolute value of the difference between these measured torques by the 10 degree angular movement. The rotational stiffness associated with a pivot mechanism about a2, A3, a4, or a5 may generally range from about 0.8N-mm to about 2.5N-mm per angle of rotation.
In fig. 5A, the components of the
Furthermore, since the beneficial
Having a skin interconnect member in the razor does not interfere with the construction and connection sequence of the razor components. The present invention contemplates that the order of connection of the various components of the shaving razor may be varied while also enabling movement about the axes a1, a2, A3, a4, and/or a 5. The components of the shaving razor generally include a
In one embodiment, as shown in view 127A of fig. 12A, the physical connection order of the shaving razor components (starting furthest from the
Referring to the embodiment shown in fig. 12B and view 127A, the order of physical connection of the razor components (starting furthest from the
In views 127B through 127E of FIG. 12B, other embodiments are shown having the following physical connection order: starting furthest from the
Alternatively, or additionally, the axis a1 mechanism, the axis a2 mechanism, the axis A3 mechanism, and/or the axis a4 mechanism may be combined in any order of connection, or combined into one unit. The combination of different connection sequences of the mechanisms about different axes of motion can provide flexibility in razor system design to deliver good shaving performance and benefits from the handle via the skin interconnection elements. Combining into one unit may be referred to as providing a common type of pivoting motion.
The dimensions and values disclosed herein are not to be understood as being strictly limited to the exact numerical values recited. Rather, unless otherwise specified, each such dimension is intended to mean both the recited value and a functionally equivalent range surrounding that value. For example, a dimension disclosed as "40 mm" is intended to mean "about 40 mm".
Each document cited herein, including any cross referenced or related patent or patent application and any patent application or patent to which this application claims priority or its benefits, is hereby incorporated by reference in its entirety unless expressly excluded or otherwise limited. The citation of any document is not an admission that it is prior art with any disclosure of the invention or the claims herein or that it alone, or in combination with any one or more of the references, teaches, suggests or discloses any such invention. Further, to the extent that any meaning or definition of a term in this document conflicts with 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 shall govern.
While particular embodiments of the present invention have been illustrated and described, it would be obvious to those skilled in the art that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
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