• 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:
    SHAVING SYSTEM Shaving systems are disclosed, which include a replaceable shaving set and a cartridge connection structure for connecting the shaving set to a handle. In preferred implementations, the cartridge connection structure has a magnetic portion configured to help drag the cartridge over the handle and hold the cartridge in place when the blade is not in contact with the skin and a mechanical engagement that provides the forces of required retention required to keep the system intact during shaving.
    公开号:BR112014029388B1
    申请号:R112014029388-0
    申请日:2013-05-21
    公开日:2020-10-27
    发明作者:Robert A. Wilson；Craig A. Provost；John W. Griffin
    申请人:Shavelogic, Inc；
    IPC主号:
    专利说明:

    CROSS REFERENCE FOR RELATED ORDERS
    [001] This patent application claims priority for US Provisional Application No. 61 / 651,732, which was filed on May 25, 2012, and Serial US No. 13 / 802,546, filed on March 13, 2013. The entirety of each one of these orders is incorporated into this document by reference. BACKGROUND OF THE INVENTION
    [002] The invention relates to shaving systems having replaceable handles and cartridges.
    [003] Shaving systems often consist of a handle and a replaceable cartridge, in which one or more blades are mounted in a plastic housing. After the blades in a cartridge have become dull from use, the cartridge is discarded and replaced on the handle with a new cartridge.
    [004] "Cartridge-like" shaving systems, using a variety of proprietary connection schemes to secure the cartridge to the handle, have become popular. This is partly triggered by a desire by the manufacturer to have a proprietary connection, thus encouraging repeat purchases. The connection scheme allows the consumer to easily and repeatedly, efficiently and intuitively load and remove new and used cartridges from the handle and provide the retaining forces necessary to maintain the integrity of the cartridge attachment to the handle during shaving.
    [005] The connection scheme must be robust enough to provide the retention forces necessary to maintain the integrity of the cartridge attachment to the handle during shaving. To date, the industry has involved complicated mechanical loading and unloading mechanisms and release buttons to try to achieve this goal. There is a need for a simpler, more intuitive and reliable method of connecting the cartridge to the shaving handle. SUMMARY OF THE INVENTION
    [006] The characteristics of the invention, in general, shaving systems that include a replaceable shaving set and a cartridge connection structure for connecting the shaving set to a handle. In preferred implementations, the cartridge connection structure has a magnetic portion configured to help drag the cartridge over the handle and hold the cartridge in place when the blade is not in contact with the skin and a mechanical engagement that provides the forces of required retention required to keep the system intact during shaving. In some cases, the mechanical coupling includes an appendix on the end of the blade handle and a coupling receiver on the shaving assembly that have been designed at appropriate angles such that the loads applied to the cartridge during shaving push the appendage towards the receiver.
    [007] In one aspect, the features of the invention, a shaving system comprising a handle, a shaving assembly mounted on the handle and a magnetic portion configured to provide a sufficient magnetic force between the handle and the shaving assembly to retain the assembly razor on the handle between shaving strokes.
    [008] Some implementations include one or more of the following characteristics.
    [009] The shaving system may include an interface element configured to provide a mechanical coupling between the shaving set and the handle. The interface element and a distal portion of the handle can be configured to retain the shaving set on the handle when a shaving set surface is in contact with the user's skin. The handle has a distal end and a proximal end and can include an appendage protruding from the distal end, and the shaving set can include an interface element, having a receiving portion configured to receive the appendix. Alternatively, the handle may include a receiving portion at the distal end, and the shaving assembly may include an appendage configured to be received at the receiving portion.
    [0010] Shaving system according to claim 4, characterized in that the magnetic portion comprises at least one magnet fixed to the end of the appendix and the receiving portion includes a ferrous material. Alternatively, the magnet can be positioned in the receiving portion and the appendix can include a ferrous material.
    [0011] The appendix can be arranged so that a long axis of the appendix is at an angle of +30 degrees to -30 degrees with respect to a crossbar center, and the additional handle includes a generally planar edge surface surrounding the appendix which is configured to wrap a corresponding edge surface in the interface element when the shaving set is mounted on the handle. In such cases, the edge surface on the handle can be arranged at an angle of about 10 to 20 degrees with respect to a longitudinal axis of inertia of the handle.
    [0012] The shaving set usually includes a blade unit, which can be mounted on the handle with a pivoting connection. The pivoting connection between the handle and blade unit can be configured to allow a user to rotate the handle between approximately 15 to 105 degrees from a reference skin plane during shaving.
    [0013] In some cases, the interface element includes tabs configured to be used by a user to facilitate the removal of the shaving set from the handle. These tabs can also provide the user with a visual indication to assist the user in removing the shaving set.
    [0014] In another aspect, the invention features a shaving system that includes a handle and a shaving set mounted on the handle, the shaving set consisting of an interface element configured to provide a mechanical engagement between the shaving set and the gauntlet. The interface element and a distal portion of the handle include the male and female portions configured so that shaving forces act through the handle portion to retain the shaving assembly on the handle when a shaving surface of the shaving assembly is in contact with the user's skin.
    [0015] Some implementations of this aspect include one or more of the following characteristics. The handle has a distal end and a proximal end and can include an appendage protruding from the distal end, and the shaving set can include an interface element, having a receiving portion configured to receive the appendix. Alternatively, the handle may include a receiving portion at the distal end, and the shaving assembly may include an appendage configured to be received at the receiving portion.
    [0016] The appendix can be arranged so that a long axis of the appendix is at an angle of +30 degrees to -30 degrees with respect to a crossbar center, and the additional handle includes a generally planar edge surface surrounding the appendix which is configured to wrap a corresponding edge surface in the interface element when the shaving set is mounted on the handle. In such cases, the edge surface on the handle can be arranged at an angle of about 10 to 20 degrees with respect to a longitudinal axis of inertia of the handle.
    [0017] The shaving set usually includes a blade unit, which can be mounted on the handle with a pivoting connection. The pivoting connection between the handle and blade unit can be configured to allow a user to rotate the handle between approximately 15 to 105 degrees from a reference skin plane during shaving.
    [0018] In some cases, the interface element includes tabs configured to be used by a user to facilitate the removal of the shaving set from the handle. These tabs can also provide the user with a visual indication to assist the user in removing the shaving set.
    [0019] The invention also features methods of assembling a shaving set on the handle of a shaving system using the magnetic force discussed in this document and the shaving methods using the shaving systems disclosed in this document.
    [0020] Modalities of the invention may include one or more of the following advantages. The use of a magnetic portion to provide the necessary force to allow the cartridge to be dragged over the handle, and the use of a single mechanical latch to hold the cartridge in place during shaving, results in easy cartridge loading with little likelihood of detachment unintentional during use. In addition, the cartridge can be released and removed from the handle simply by applying a small amount of force.
    [0021] Preferred implementations of the present invention provide a shaving system comprised of a handle and a disposable cartridge that is easy to load and unload, yet robust enough to provide retention forces necessary to maintain the integrity of the cartridge attachment to the handle during to shave. Due to the relatively simple configuration of the cartridge connection to the handle, preferred shaving systems are easily assembled and therefore cost effective to manufacture.
    [0022] Other characteristics and advantages of the invention will be evident from the following description of its modalities and from the claims. BRIEF DESCRIPTION OF THE FIGURES
    [0023] For a more complete understanding of this disclosure and its characteristics, now refer to the following description, taken in conjunction with the attached figures, in which:
    [0024] FIG. 1 is a perspective view of a shaving system according to an embodiment.
    [0025] FIGS. 2A and 2B are perspective views of the shaving handle shown in FIG. 1, with the magnet exploded from the handle in FIG. 2B.
    [0026] FIGS. 3A and 3B are perspective views of the shaving system set shown in FIG. 1. In FIG. 3B that ferrous strip is blown up from the magnetic receiver.
    [0027] FIG. 4 is an exploded perspective view of the system shown in FIG. 1.
    [0028] FIGS. 5a and 5B are cross-sectional views of the system shown in FIG. 1, taken along the axis of the shaving system, with the shaving set being shown exploded from the handle and attached to it, respectively.
    [0029] FIGS. 6A-6C are diagrammatic views, illustrating the forces that generally act on the blade unit when the shaving system is in use, with the blade unit in different positions in the various figures.
    [0030] FIGS. 7A-7D are diagrammatic views, illustrating the pivot angles typically assumed by the blade unit when the shaving system is at rest and in use. FIG. 7E is a diagram illustrating how the longitudinal axis of inertia of the handle is measured.
    [0031] FIGS. 8A-8C showed the angular orientation of the appendix relative to a line perpendicular to the plane of the handle edge in three different modalities.
    [0032] FIGS. 9A-9C show an alternative form of shaving system. FIG. 9A is an exploded perspective view of the system, FIG. 9B is a perspective view of the handle only, and FIG. 9C is a cross-sectional side view of the shaving system, taken along the axis of the shaving system. DETAILED DESCRIPTION
    [0033] The present disclosure generally refers to consumer products and, in particular, shaving systems with interchangeable cartridge systems, referred to here as shaving kits. As discussed above, in preferred systems a magnet provides the necessary force to drag the cartridge over the handle and retain the cartridge over the handle when shaving does not occur (for example, between cutting strokes, during washing, and when the shaving system not in use), and a mechanical latch is used to hold the cartridge in place when the shaving set is in contact with the skin during shaving.
    [0034] While shaving systems will be described below, it should be noted that the magnetic portion and / or the mechanical coupling described herein could be used in any product system suitable for the consumer, including but not limited to consumer products, hygiene products personal care (for example, a toothbrush or hairbrush), reusable shaving systems, interchangeable depilatory systems and hygiene care systems. Also to be understood is that system 100 shown in FIG. 1 is for illustrative purposes only and that any other shaving system or hair removal system or subsystem can be used in conjunction with or instead of the system. Preferred shaving systems are safe blades with a replaceable cartridge type blade scheme.
    [0035] Referring to FIG. 1, a shaving system 100 according to one embodiment includes a shaving set 120 which is removably mounted on a handle 104. As is known, the shaving set and handle can be sold as a kit and / or separately. Shaving set 120 includes a blade unit 102 that includes one or more blades. The blade unit 102 is pivotally mounted on the handle 104 through an interface element 122 which includes fingers 124 which are received in the pivotable engagement in holes 126 on the blade unit (see FIGS. 3A-3B), as is well known in the shaving technique. The interface element also defines a magnetic receiver 106 in the form of a hollow central cavity. Flaps 103 are provided on both sides of interface element 122 to assist the user in separating the shaving assembly from the handle 104, providing a positive grip surface when shaving assembly 120 is to be replaced. The tabs can also give the user a visual indication of how to remove the interface element from the handle.
    [0036] The interaction between the interface element with the handle 104 provides both the magnetic force and the mechanical coupling discussed above. The magnetic force is provided by the interaction of a ferrous strip 105 (FIGS. 3A-3B) that is positioned inside the magnetic receiver 106, with a magnet 107 that is mounted on an appendix 108 of the handle 104. The attractive force between the magnet 107 and ferrous band 105 is sufficient to drag the interface element over the appendix when the user wishes to replace shaving set 120, it is still weak enough to allow shaving set 120 to be easily removed from the replacement handle. The magnetic force is also sufficient to hold the shaving set in place on the handle when the mechanical coupling, which is produced by shaving forces, is not - for example, when the user is rinsing the blade unit and between strokes. shaving.
    [0037] As shown in FIGS. 2a and 2B, magnet 107 can be positioned within a recess 101 in appendix 108 and held firmly in place, for example, by means of a snap fit, or other assembly techniques. The ferrous strip 105 can be attached to the receiver 106 by any suitable conjunction technique, including, for example, friezes, rivets, adhesive and other commonly practiced fastening methods.
    [0038] The ferrous band 105 can be of any size, shape, configuration or appropriate structure, insofar as its interaction with magnet 107 provides a sufficient magnetic force. In one embodiment, the ferrous strip 105 can include a ferrous material or ferromagnetic material, such as nickel or cobalt or its alloys, or being of any material that can be attracted to a magnet.
    [0039] Magnet 107 can be selected from any magnetic material, for example, "permanent" magnets, rare earth magnets, ceramic magnets, Al-Mn alloy magnets, electromagnets, etc. Preferably magnet 107 includes a magnetic material selected from the group consisting of ceramic magnets, rare earth magnets or combinations thereof. Most preferably, the magnet is a rare earth magnet selected from neodymium-iron-boron, samarium cobalt, AINiCo and their mixtures.
    [0040] In some embodiments, the ferrous band 105 may have an elongated shape with rounded edges and a relatively flat surface, for example, as shown in FIG. 1. In other embodiments, the ferrous strip could be configured to cover the entire interior surface of the recessed area of the magnetic receiver 106, or parts of it, as a part of the side walls of the magnetic receiver 106.
    [0041] Corrosion of the ferrous band is a concern due to the expectation that the blades will withstand humid environments. Preferably, the ferrous strip is either made of a magnetic grade of stainless steel, or a common grade of ferric steel or other ferric metal that is treated to provide resistance to corrosion. For example, the metal can be plated, for example, with nickel, or coated with a protective coating, such as paint or epoxy. In another embodiment, the metal can be molded into the magnetic receiver.
    [0042] As shown in FIGS. 5A and 5B, when a new shaving set 120 is to be mounted on the handle 104, the appendix 108 is inserted in the magnetic receiver 106, with the magnetic attraction between the magnet 107 and the ferrous band 105 serving to drag the two parts together and attach them to the hitch. When appendix 108 is received at receiver 106, an edge 121 on the handle, surrounding the appendix, makes contact with a corresponding edge 123 at receiver 106, as shown in FIG. 5B
    [0043] When a shaving charge is applied to the shaving set, the engagement between the appendix and the receiver is maintained primarily by the mechanical engagement, which is designed to absorb the forces that occur during shaving with the magnetic force, providing a additional holding force. In preferred implementations, the mechanical hitch is configured to hold the shaving set in place - even in the absence of magnetic force (for example, if the magnet and ferrous band are omitted for testing purposes) - during normal shaving loads the blade unit is placed in contact with the skin. In most implementations, the mechanical hitch is not designed to hold the cartridge on the handle between shaving strokes. Once the blade unit is stripped from the skin the magnetic force is then needed to overcome the gravitational forces of the cartridge, preventing the magnetic receiver from falling from the handle appendage.
    [0044] FIGS. 6A-6C are diagrams showing the mechanical forces that are normally applied to and absorbed by the cutting system during shaving (as long as the blade is in contact with the user's skin.) Forces generally exerted parallel to the skin surface include a shaving force (S), which is generated by the user pulling the blades through the skin and typical of opposing forces (F) (eg, friction, drag, skin protrusion and blade cutting forces). Generally perpendicular to these forces are the downward pressure of the blade unit against the skin (Pbarbear) θ the resistance to the upward pressure of the user's skin (Ppeie) - During shaving, most of the forces that must be resisted by the interface between the set razor and the handle are those that are generally parallel to the skin surface (forces F and S). Appendix 108 and receiver 106 were designed to absorb these forces without relative displacement, due to the interaction between these parts that rotate together during the rotation of the handle, which push the appendix towards the receiver.
    [0045] FIGS. 7A-7D illustrate the pivot angles that are commonly assumed by the handle in relation to the blade unit during shaving and at rest, illustrating the way in which the receiver / appendix assembly rotates during use. As indicated in FIG. 7a, appendix 108 and receiver 106 are designed to be positioned, at rest, at an angle of approximately 15 degrees A1, from the horizontal plane, the blade is at rest. Once the cartridge is placed on the skin (FIGS. 7A and 7C) the pivoting connection between the handle and blade unit will allow the user to move / rotate the handle continuously between approximately 15 to 105 degrees from a plane of skin during shaving (in FIG. 7D, A2 = 15 °, A3 = 60 °, and A4 = 105 °.) These angles are measured between the longitudinal axis of the handle inertia (See FIG. 7E) and the surface of the skin.
    [0046] Appendix 108 and receiver 106 are designed so that during shaving (top strokes, bottom strokes and side strokes) the blade handle 108 and receiver 106 will be able to rotate together during the rotation of the blade handle, without separating. This "self-locking" relationship is achieved mainly by (a) the angle of appendix 108 with respect to a line perpendicular to the plane of the edge 121 (crossbar plane, FIG. 7E), which in preferred modalities ranges from + 35 degrees at -35 degrees, for example, + 30 degrees at -30 degrees as shown in FIGS. 8A-8C and (b) the angle between the edge plane 121 (crossbar plane) and the longitudinal axis of inertia as indicated in FIG. 7E, which, in some implementations, is about 10 degrees to 20 degrees. The angle of the appendix is selected based on the balance of the need for relatively easy loading of the shaving set onto the handle by a user with a desired level of holding force.
    [0047] Once the shaving surface of the blade unit is placed in contact with the face (for example, as shown in FIG. 7C), during shaving the blade handle will rotate between many angles, as discussed above. As the blade handle angle increases during shaving strokes, the mechanical "self-locking" design between appendix 108 and receiver 106 will actually increase the integrity of the connection between the shaving set and the handle.
    [0048] Gauge 104 provides an end user with some means of holding or otherwise controlling the system 100. In one embodiment, gauge 104 could generally improve the performance of the system by 100, providing the end user with an adequate amount of leverage to achieve the best exceptional results, usability, ease of handling and easy storage. The handle 104 can include a number of ergonomic elements, rubberized material, other features or any suitable combination to improve user control and handling of the 100 system. The handle 104 can be of any appropriate size, shape or configuration.
    [0049] The handle, blade unit and other rigid plastic parts of the shaving system can be made of any suitable material, including, for example, polyethylene terephthalate (PET or PETE), high density PETE (HD), acrylonitrile butadiene styrene (ABS), polypropylene, thermoplastic polymer, oriented polypropylene, polyurethane, polyvinyl chloride (PVC), polytetrafluoroethylene (PTFE), polyester, high gloss polyester or combinations thereof.
    [0050] OTHER MODALITIES
    [0051] While this disclosure described certain modalities and methods generally associated, changes and permutations of these modalities and methods will be evident to those skilled in the art.
    [0052] For example, as shown in FIGS. 9A-9C, while in the modality discussed above the appendix was on the handle, this arrangement can be reversed and appendix 208 can protrude from interface element 222 and be received in a magnetic receiver 206 disposed on handle 204. In the embodiment shown in the figures, the magnet 207 is positioned over the appendix 208 and the ferrous strip 205 is positioned inside the magnetic receiver 206. However, either in this embodiment or in that discussed with reference to FIG. 1, the positions of the ferrous band and magnet can be reversed, if desired. The ferrous band is generally less expensive than the magnet and thus it may be desirable to have the ferrous band on the shaving set rather than on the handle, regardless of the relative placement of the appendix and the receiver.
    [0053] In addition, the magnet and the ferrous strip can be of any desired size, shape or material, as long as they provide an adequate magnetic force. For example, it should be understood that that Appendix 108 can contain any suitable number, configuration of size and shape of magnet (s) 107.
    [0054] While an example of a blade unit is shown in the figures, the blade can have any desired configuration that is suitable for contacting the skin and scraping the hair off the contact surface as the cartridge is dragged through the surface, applying a typical cutting force. Blade angles, the number of blades and the geometry of the cartridge assembly can be, for example, those generally used by those skilled in the shaving technique, for example, as discussed in U.S. Patent Nos. 7448135, 7197825, 7765700 and 7621203, the full disclosures of which are incorporated by reference in this document. For example, blade unit 102 could include a blade, sharp point, tapered tip or other type of hair removal surface that slides over the skin, preferably to remove unwanted hair. The blade unit 102 could include a single blade, double blade or any suitable number of blades for shaving hair. Blade unit 102 can be of suitable size, shape or configuration. In this sense, the above description of exemplary modalities does not define or restrict this disclosure. Other changes, substitutions and alterations are also possible without departing from the spirit and scope of this disclosure and the following claims.
    权利要求:
    Claims (7)
    [0001]
    1. Shaving system comprising: a handle (104) having a distal end and a proximal end; a shaving assembly (120) mounted on the handle and including an interface element configured to provide a mechanical engagement between the shaving assembly and the handle; wherein one of the distal end of the handle and interface element includes an appendix (108) protruding therefrom and the other of the distal end of the handle and interface element includes a receiving portion (106) configured to receive the appendix; a magnetic portion (105, 107) configured to provide a magnetic force between the handle and the shaving set sufficient to retain the shaving set on the handle between shaving strokes; characterized by the fact that the magnetic portion comprises at least one magnet (107) attached to the end of the appendix and the receiving portion includes a ferrous material (105).
    [0002]
    2. Shaving system according to claim 1, characterized by the fact that the interface element and a distal portion of the handle are configured to maintain the shaving assembly on the handle when a shaving assembly surface is in contact with the user's skin.
    [0003]
    3. Shaving system, according to claim 1, characterized by the fact that the appendix is arranged so that a long axis of the appendix is at an angle of +30 degrees to -30 degrees in relation to a crossbar center of the handle, and the handle additionally includes a generally planar edge surface surrounding the appendix that is configured to wrap a corresponding edge surface in the interface element when the shaving set is mounted on the handle.
    [0004]
    4. Shaving system, according to claim 3, characterized by the fact that the edge surface on the handle is arranged at an angle of 10 to 20 degrees in relation to a longitudinal axis of inertia of the handle.
    [0005]
    5. Shaving system according to claim 1, characterized by the fact that the shaving set includes a blade unit that is mounted on the handle with a pivoting connection.
    [0006]
    6. Shaving system according to claim 5, characterized by the fact that the pivoting connection between the handle and blade unit is configured to allow a user to rotate the handle between 15 to 105 degrees from a reference skin plane during shaving.
    [0007]
    7. Shaving system, according to claim 1, characterized by the fact that the interface element includes flaps (103) configured to be used by a user to facilitate the removal of the shaving set from the handle.
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    同族专利:
    公开号 | 公开日
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    KR102196029B1|2020-12-29|
    WO2013177171A1|2013-11-28|
    KR102069400B1|2020-01-22|
    KR20150020599A|2015-02-26|
    US20130312265A1|2013-11-28|
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    CN104582913B|2017-03-08|
    US10272579B2|2019-04-30|
    CN104582913A|2015-04-29|
    BR112014029388A2|2017-06-27|
    EP2855106A4|2016-11-09|
    US20220055240A1|2022-02-24|
    PL2855106T3|2019-08-30|
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    法律状态:
    2019-02-12| B25G| Requested change of headquarter approved|Owner name: SHAVELOGIC, INC. (US) |
    2019-03-12| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-11-12| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-06-09| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-10-27| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 21/05/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201261651732P| true| 2012-05-25|2012-05-25|
    US61/651,732|2012-05-25|
    US13/802,546|US10272579B2|2012-05-25|2013-03-13|Magnetic attachment for shaving cartridge|
    US13/802,546|2013-03-13|
    PCT/US2013/042038|WO2013177171A1|2012-05-25|2013-05-21|Magnetic attachment for shaving cartridge|
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