US3786563A - Shaving system - Google Patents
Shaving system Download PDFInfo
- Publication number
- US3786563A US3786563A US00176547A US3786563DA US3786563A US 3786563 A US3786563 A US 3786563A US 00176547 A US00176547 A US 00176547A US 3786563D A US3786563D A US 3786563DA US 3786563 A US3786563 A US 3786563A
- Authority
- US
- United States
- Prior art keywords
- cutting edge
- leading
- blade
- inch
- following
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/24—Safety razors with one or more blades arranged transversely to the handle of the magazine type; of the injector type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
- B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
- B26B21/14—Safety razors with one or more blades arranged transversely to the handle
- B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S297/00—Chairs and seats
- Y10S297/10—Occupant-arising assist
Definitions
- a shaving system comprises a leading blade member having a cutting edge and a following blade member having a cutting edge.
- the cutting edges are supported in spaced parallel relation to one another by structure which extends along substantially the entire lengths of the leading and following blade members and a guard structure is disposed forwardly of the leading cutting edge.
- the guard structure is disposed relative to the leading cutting edge to define a leading edge tangent angle in the range of 2032 and a span (S,) in the range of 0.030-0.080 inch, the following cutting edge is rearwardly offset from the leading cutting edge to define a span (S in the range of 0030-0080 inch, and each cutting edge has an exposure in the range of from 0.002 inch to +0.004 inch.
- This invention relates to shaving systems and is directed more particularly to a shaving system that includes a plurality of cutting edges.
- a further object of the invention is to provide such a system in which a plurality of cutting edges are fixed in position with respect to one another and with respect to a cooperating guard structure to define a desired geometrical relationship between various components of the system.
- Such a shaving system includes two cutting edges disposed parallel to one another and in spaced relation to provide leading and following cutting edges so that both cutting edges are successively active with respect to the hair elements being cut during a single shaving stroke.
- the cutting edges are supported in spaced parallel relation to one another by structure which extends along substantially the entire lengths of the blade members that define those cutting edges.
- a guard structure is disposed in fixed relation to the cutting edges to define in part the desired geometrical relationship.
- Significant components of that geometrical relationship include blade tangent angle, exposure,and span.
- Blade tangent angle is defined as the angle between the bisector of the included angle of the cutting edge and a line from the cutting edge tangent to the skin engaging surface immediately forward of that cutting edge.
- Exposure is defined as the distance (measured perpendicularly to a reference plane defined by skin engaging surfaces immediately in front of and behind the cutting edge) from the cutting edge to that plane, the exposure being considered positive when the cutting edge is located on the outer (skin) side of that plane and being considered negative when the cutting edge is further from the skin than that plane.
- Span is defined as the distance between the cutting edge and the skin engaging surface forward of that cutting edge.
- the leading cutting edge of the shaving system has a blade tangent angle in the range of 2032, an exposure in the range of 0.002 to +0.004 inch and a span in the range of 0030-0080 inch, while the following cutting edge has an exposure in the range of 0.002 to +0004 inch and a span in the range of 0030-0080 inch.
- leading cutting edge of the shaving system has a blade tangent angle of 26:tl.5, an exposure of 00015100015 inch and a span of 005910.004 inch, while the following cutting edge has an exposure of 00015100015 inch and a span of 006210.004 inch.
- the leading and following cutting members are planar blade members and the bodies of the blade members are disposed parallel to one another.
- Cooperating guard and cap structures are molded of plastic material and the cap, base and spacer members and two blade elements are secured together in fixed geometrical relationship to define a blade unit which is releasably attached to a handle component.
- the spacer member includes a plurality of forwardly extending spaced fingers.
- the handle has an elongated, slightly tapered grip, the upper end of which is angularly offset and defines an extension portion.
- a transversely extending blade unit coupling structure is disposed at the outer end of the offset extension portion.
- the blade unit when secured to the coupling structure, has its guard surface spaced about 0.6 inch forward of the most closely adjacent surface of the elongated grip portion and the reference line tangent to the guard surface that defines the leading blade tangent angle is disposed at an angle of about 39 to the axis of the elongated grip portion.
- the plural edge shaving system of the invention provides excellent shaving characteristics, the resulting shave being both extremely smooth and extremely close. While the involved shaving action is not fully understood, there appears to be a dynamic interaction of the plural cutting edges with the hairs being cut during the shaving operation with resulting comfortable, convenient, safe and efficient shaving in a low blade tangent angle, low exposure geometry.
- the shaving system provides this improved dynamic interaction while facilitating flow of debris resulting from the shaving operation away from the shaving zone.
- the preferred blade unit and handle configuration provides a balanced and easy to use precision shaving device capable of economic manufacture on a volume production basis.
- FIG. 1 is a side view of a razor assembly incorporating a shaving system in accordance with the invention
- FIG. 2 is a perspective view of the razor assembly shown in FIG. 1;
- FIG. 3 is a front view of the razor assembly shown in FIG. 1;
- FIG. 4 is an exploded perspective view of components of the blade unit employed in the razor assembly as shown in FIG. 1;
- FIG. 5 is an enlarged view of a portion of the blade unit employed in the embodiment shown in FIG. 1 and illustrates certain geometric relationships.
- the razor assembly shown in FIGS. 1 and 2 includes a handle component 10 and a blade unit component 12.
- the handle component has a grip portion 14 molded of high impact polystyrene that is 4 /1 inches long and of generally square cross-section and that slightly tapers towards its upper end. Grooves 16 along a portion of the length of grip 14 facilitates its handling by the user.
- a continuation of the grip in the form of neck portion 18 extends forwardly and upwardly from the upper end at an angle of to the axis of grip 14.
- a plated brass transversely extending coupling structure 20 Secured at its outer end is a plated brass transversely extending coupling structure 20 that has two outwardly directed rail members 22, the upper surfaces of which define a reference plane 24 perpendicular to the axis of neck portion 18.
- the reference plane 24 is spaced a distance H of 0.55 inch from the junction of neck portion 18 with the rear surface of the grip portion 14.
- a laterally extending slot 26 is formed in the base of coupling structure on either side of the connection to neck portion 18.
- Spring plate 28 functions as a resilient latch member and cooperates with the rails 22 of the coupling structure 20 to secure the blade unit 12 on the handle 10.
- the cooperating blade unit 12 includes a base or platform member 30 molded of high impact polystyrene that includes integral coupling groove structure 32 in which the rails 22 are received and a transversely extending guard structure 34.
- a steel leading blade element 36 and a steel following blade element 38 which are maintained in spaced relation by aluminum spacer member 40.
- the blade elements and spacer member are secured to the base member by cap member 42 also molded of high impact polystyrene.
- the blade elements 36, 38 are disposed parallel to one another in this embodiment and, when the blade unit 12 is attached to handle 10, at an angle of 35 to the reference plane 24 defined by the upper surfaces of the rails 22, and at an angle of 65 to the axis of the handle.
- guard structure 34 extends about 0.23 inch above the reference plane 24 and is offset about 0.6 inch from the front surface of the upper end of the grip portion 14.
- FIG. 3 A front view of components of the shaving system is shown in FIG. 3.
- the base member 30 includes a planar support surface 50 in which are formed a series of four securing apertures 52 and a series of four drain slots 54. There is an upwardly extending vertical surface 56 at the rear of platform 50 in which are disposed two recesses 58 and a downwardly extending vertical surface 60 at the front of platform 50. A recess 62 is formed at either end of platform 50 and end wall structures 64 extend downwardly and forwardly from either end of platform surface 50. Guard structure 34 extends between the forward extending portions of the end walls 64 and in spaced relation from front wall 60 of base 30.
- Spaced webs 66 which extend forwardly from wall 60 to the guard member 34, increase the rigidity of that guard member and define drain recesses between surface 60 and the guard.
- an upwardly projecting vertical reference surface 68 Extending downwardly from the lower end of the base member 30 at the front and rear thereof are projections which include inwardly extending flanges 70 at their outer ends that define with the lower surface of the base two parallel opposed grooves which are adapted to receive the rails 22 of the handle component to secure the blade unit 12 to that handle.
- Spring plate 28 engages a notch in the forward flange 70 to latch the blade unit against transverse movement.
- Each blade element 36, 38 has parallel front and rear edges, the front edge of each blade element being sharpened to define a cutting edge 80.
- Formed in each blade member are series of four axially extending slots 82 and four irregularly shaped apertures 84.
- the forward edges 86 of apertures 84 are straight and of the same length as slots 82 while the rear edges 88 of apertures 84 have a curvature corresponding to the curvature of the securing apertures 52 in base member 30.
- Spacer 40 interposed between the blade elements, has a length of l k inches, a width of 0.24 inch and a thickness of 0.020 inch.
- Formed in the forward edge of spacer 40 are a series of recesses 98, each of which is 0.080 inch deep and about one-eighth inch long. These recesses define a series of spaced forwardly directed fingers 100, each of which is 0.056 inch in width.
- Each of the fingers 100 culminates in an 0.020 inch wide tip 102 which terminates the inclined side wall surfaces 104, 106 which extend rearwardly and diverge towards the main body of the spacer member 40 and also are inclined vertically so that the top surface 108 of each finger is smaller than the corresponding bottom surface of that finger.
- the spacer is further provided with holes 110 that are alignable with the holes 52 at the base member and the holes 84 in the blade elements. Recesses 112 in the rear edge of spacer 40 are alignable with the recesses 58 in the base member.
- Cap member 42 molded of high impact polystyrene includes a transversely extending portion 118 disposed between end wall portions 120, 122.
- Pins 124 extend downwardly from the transversely extending portion 118 and are alignable with the holes 52, 84 and 110 in the base, blades and spacer members, respectively.
- the pins are hollow at their free ends to facilitate cold heading.
- the top surface 126 of portion 118 is inclined at an angle of 73 to the axis of pins 124 and the top surfaces of end walls 120, 122 project above surface 126 and are inclined at an angle of to the axes of pins 124.
- the end walls 120, 122 also extend beyond the forward edge of the cap surface 126 and each includes an exterior vertical reference surface 130 that is adapted to engage the reference surface 68 on base member 30 and interior vertical reference surfaces 134 and 136 which are used for locating the blade members 36, 38 relative to one another and to the guard structure 34 in the assembled blade unit.
- An elongated recess 138 defined by transverse portion 118 and the end wall portions 120, 120 receives the wall surface 56 of the base member 30.
- the base 30, blade elements 36, 38, spacer 40 and cap member 42 are disposed in aligned relation with pins 124 extending through the corresponding holes 52, 84 and 110.
- the components are loosely held in stacked relation under light pressure and suitable means such as a jet of air or a mechanical tool applies force through the openings defined by recesses 58 and cooperating portions of cap 42 to urge the two blade members 36, 38 forwardly against stop surfaces 134, 136, respectively.
- suitable means such as a jet of air or a mechanical tool applies force through the openings defined by recesses 58 and cooperating portions of cap 42 to urge the two blade members 36, 38 forwardly against stop surfaces 134, 136, respectively.
- the assembly is then clamped firmly together and the free ends of the pins 124 are expanded in a cold heading operation to secure the components of the blade unit firmly together.
- the cutting edge of the leading blade 36 extends over the recesses between forward wall 60 and the guard member 34, while the cutting edge 80 of the following blade 38 is located above the recesses 98 between fingers of spacer 40 so that paths are provided for communication through the slots 82 and the forward ends of apertures 84 in the leading blade 36 and the slots 54 in the base member 30.
- These passages facilitate the flow away from the shaving zone of lather and debris resulting from the shaving operation.
- a first reference line 150 extends from the cutting edge 80 of following blade 38 to skin engaging point 152 on guard 34 and the perpendicular distance E, that the cutting edge 80,, of the leading blade 36 projects beyond that line is the exposure of that blade.
- a similar reference line 154 extends from the cutting edge 80,, of the leading blade 36 to skin engaging point 156 on surface 126 of cap 42 and the perpendicular distance E that the cutting edge 80 of the following blade 38 projects beyond from that line is the exposure" of the following blade.
- blade tangent angle which for leading blade 36 is the angle between line 158 (a reference line which bisects the included angle of the cutting edge 80,, of the leading blade 36) and the line 160 that extends from cutting edge 80,, of blade 36 to a skin engaging point on guard member 34 (the latter point being slightly offset from point 152).
- span the distance between the cutting edge and the nearest skin engaging point forward of that edge.
- Span for the leading cutting edge 80 is denominated S and is the distance between edge 80,, and a skin engaging point on guard 34 while the span S for the trailing blade 38 is the distance between its sharpened edge and the sharpened edge of the leading blade 36.
- the blade unit in the illustrated embodiment has a blade tangent angle A for leading blade 36 of 26, a blade tangent angle A; for following blade 38 of 2250; exposures E and E each of 0.0015 inch; S of 0.059 inch; and S of about 0.062 inch.
- the system may take many forms other than that of the particular above-described embodiment.
- more than two blades may be provided.
- the plane of one or more of the following blades may be set at a different angle than the leading blade.
- the blade unit geometry may be used with various handle configurations. While there are advantages to the replaceable blade unit feature, it will be apparent that the shaving system may be incorporated in a device in which the handle is integral with the blade unit.
- a shaving system comprising a leading blade member having a planar body and a cutting edge, a following blade member having a planar body and a cutting edge, said blade members being permanently secured together in fixed geometrical relationship, a guard structure disposed forwardly of the cutting edge of said leading blade member, and blade member support structure including a cap member disposed rearwardly of said following cutting edge and a base member having a front wall surface, said guard structure extending parallel to said front wall surface but spaced therefrom to form a slot therebetween, said cap and base members engaging the bodies of said leading and following blade members and including means along substantially the entire length of said leading and following blade members for rigidly supporting said cutting edges in spaced, parallel relation to one another,
- said guard structure being disposed relative to said leading cutting edge to define a leading edge tangent angle in the range of 20-32 and a span (S in the range of 0.03-0.08 inch,
- said following cutting edge being rearwardly offset from said leading cutting edge to define a span (S in the range of 0.03-0.08 inch, and
- each cutting edge having an exposure of 0.00l5
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dry Shavers And Clippers (AREA)
- Harvester Elements (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Road Repair (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17654771A | 1971-08-31 | 1971-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3786563A true US3786563A (en) | 1974-01-22 |
Family
ID=22644798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00176547A Expired - Lifetime US3786563A (en) | 1971-08-31 | 1971-08-31 | Shaving system |
Country Status (10)
Country | Link |
---|---|
US (1) | US3786563A (no) |
JP (1) | JPS5356556A (no) |
CA (1) | CA961255A (no) |
HK (1) | HK65079A (no) |
IE (1) | IE36169B1 (no) |
IL (1) | IL45497A (no) |
MY (1) | MY8000129A (no) |
NO (1) | NO143733C (no) |
SE (1) | SE431306B (no) |
TR (1) | TR19233A (no) |
Cited By (77)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3842499A (en) * | 1972-09-08 | 1974-10-22 | Gillette Co | Razor blade assembly |
US3852883A (en) * | 1973-01-23 | 1974-12-10 | Warner Lambert Co | Shaving unit for safety razor |
US3858315A (en) * | 1973-01-23 | 1975-01-07 | Warner Lambert Co | Shaving unit for safety razor |
US3861040A (en) * | 1972-09-08 | 1975-01-21 | Gillette Co | Plural edge blade unit |
US3863340A (en) * | 1972-09-08 | 1975-02-04 | Gillette Co | Plural edge shaving system |
US3938250A (en) * | 1974-05-15 | 1976-02-17 | The Gillette Company | Disposable blade unit |
USD242661S (en) * | 1975-08-21 | 1976-12-07 | The Gillette Company | Disposable razor |
US4031620A (en) * | 1972-07-25 | 1977-06-28 | The Gillette Company | Shaving system |
FR2495042A1 (fr) * | 1980-10-06 | 1982-06-04 | Gillette Co | Tete de rasage pour rasoir mecanique |
EP0073852A2 (en) * | 1981-09-03 | 1983-03-16 | The Gillette Company | Shaving implement |
US4641429A (en) * | 1984-12-24 | 1987-02-10 | Abatemarco Michael R | Razor blade cartridge unit with dual blades |
US4833779A (en) * | 1987-06-30 | 1989-05-30 | American Safety Razor Company | Platform, handle and shield for safety razor |
US4901437A (en) * | 1984-05-25 | 1990-02-20 | American Safety Razor Company | Razor head and method of manufacture |
US4998347A (en) * | 1989-05-08 | 1991-03-12 | Schaechter Friedrich | Shaving instrument with high energy beam induced microstretch element |
US5036587A (en) * | 1990-08-29 | 1991-08-06 | The Gillette Co. | Razor blade assembly |
US5084968A (en) * | 1990-09-10 | 1992-02-04 | The Gillette Company | Razor blade assembly |
US5092042A (en) * | 1990-09-28 | 1992-03-03 | The Gillette Company | Shaving system |
WO1993022112A1 (en) * | 1992-04-27 | 1993-11-11 | Jette Bolding Pedersen | Safety razor |
US5331740A (en) * | 1992-10-08 | 1994-07-26 | The Gillette Company | Shaving system |
US5347714A (en) * | 1993-02-18 | 1994-09-20 | American Safety Razor Company | Movable blade shaving cartridge |
US5359774A (en) * | 1992-03-28 | 1994-11-01 | Warner-Lambert Company | Razor head of a wet razor |
WO1995009071A1 (en) * | 1993-09-29 | 1995-04-06 | The Gillette Company | Safety razors |
US5469621A (en) * | 1994-01-27 | 1995-11-28 | Alsept; Mark A. | Sefety razors with a reduced sized head and blades |
US5490329A (en) * | 1994-05-17 | 1996-02-13 | The Gillette Company | Shaving system |
US5497550A (en) * | 1991-11-15 | 1996-03-12 | The Gillette Company | Shaving system |
US5522137A (en) * | 1993-02-22 | 1996-06-04 | Andrews; Edward A. | Bi-directional razor structures and systems |
WO1999050035A1 (en) * | 1998-04-01 | 1999-10-07 | American Safety Razor Company | Triple blade safety razor |
US6077572A (en) * | 1997-06-18 | 2000-06-20 | Northeastern University | Method of coating edges with diamond-like carbon |
US6112412A (en) * | 1999-04-21 | 2000-09-05 | Warner-Lambert Company | Razor assembly and cartridge having improved wash-through |
US6138361A (en) * | 1999-04-21 | 2000-10-31 | Warner-Lambert Company | Pivotable razor assembly and cartridge |
US6182366B1 (en) | 1999-04-21 | 2001-02-06 | Warner-Lambert Company | Flexible razor assembly and cartridge |
US6212777B1 (en) | 1993-09-29 | 2001-04-10 | The Gillette Company | Safety razors |
US6295734B1 (en) | 1995-03-23 | 2001-10-02 | The Gillette Company | Safety razors |
US20030121154A1 (en) * | 2000-02-16 | 2003-07-03 | Warner-Lambert Llc | Wet shaving assembly |
US20030200660A1 (en) * | 2002-04-24 | 2003-10-30 | Warner-Lambert Company | Razor assembly |
US20030200659A1 (en) * | 2000-02-16 | 2003-10-30 | Warner-Lambert Company | Replacement cartridge for a razor assembly |
US20030217469A1 (en) * | 2002-04-24 | 2003-11-27 | David Coffin | Razor cartridge |
US20040010918A1 (en) * | 2000-02-16 | 2004-01-22 | Warner-Lambert Llc | Wet shaving assembly |
US20040103538A1 (en) * | 2002-08-21 | 2004-06-03 | Eveready Battery Company, Inc. | Razor cartridge |
US6772523B1 (en) | 1999-04-21 | 2004-08-10 | Eveready Battery Company, Inc. | Pivotable and flexible razor assembly and cartridge |
US20040168322A1 (en) * | 2003-02-04 | 2004-09-02 | Eveready Battery Company, Inc. | Razor head having skin controlling means |
US20040221455A1 (en) * | 2001-04-27 | 2004-11-11 | Eveready Battery Company, Inc. | Wet shaving cartridge with four blade edges |
US20040226171A1 (en) * | 2003-05-12 | 2004-11-18 | Warner-Lambert Llc | Wet shaving assembly |
US20040235182A1 (en) * | 2003-04-02 | 2004-11-25 | Jones Ronald M. | Adhered membranes retaining porosity and biological activity |
US20050015991A1 (en) * | 2002-04-24 | 2005-01-27 | Eveready Battery Company, Inc. | Razor cartridge |
US20050172495A1 (en) * | 2004-02-06 | 2005-08-11 | Eveready Battery Company, Inc. | Razor assembly |
US20050198837A1 (en) * | 2004-03-11 | 2005-09-15 | Stephen Rawle | Shaving razors with multiple blades |
US20050278954A1 (en) * | 2002-04-24 | 2005-12-22 | Eveready Battery Company, Inc. | Shaving aid body for a safety razor |
US7086159B2 (en) | 2000-02-16 | 2006-08-08 | Eveready Battery Company, Inc. | Razor assembly |
EP0760734B2 (en) † | 1995-03-23 | 2006-08-09 | The Gillette Company | Safety razors |
US20060196054A1 (en) * | 2003-07-21 | 2006-09-07 | The Gillette Company | Safety razors |
WO2007015220A1 (en) * | 2005-08-03 | 2007-02-08 | The Gillette Company | Razors |
US7178241B1 (en) | 2000-05-22 | 2007-02-20 | Eveready Battery Company, Inc. | Lubricating shaving assembly |
US20080034590A1 (en) * | 2004-02-26 | 2008-02-14 | The Gillette Company | Shaving blade unit |
US20100077618A1 (en) * | 2008-09-29 | 2010-04-01 | Mark Peterson | Razor cartridges with perforated blade assemblies |
US20100077617A1 (en) * | 2008-09-29 | 2010-04-01 | Mark Peterson | Razors and razor cartridges with a decreased total interblade span |
US20100170094A1 (en) * | 2009-01-06 | 2010-07-08 | Takashi Hayashi | Safety razor |
US20110023307A1 (en) * | 2005-06-10 | 2011-02-03 | Eveready Battery Company, Inc. | Inter-Blade Guard and Method for Manufacturing Same |
CN102666038A (zh) * | 2009-11-18 | 2012-09-12 | 吉列公司 | 用于剃刀的刀片 |
US20130289582A1 (en) * | 2011-07-12 | 2013-10-31 | Zimmer Surgical, Inc. | Dermatome blade assembly |
US20140026424A1 (en) * | 2012-07-24 | 2014-01-30 | The Gillette Company | Razor cartridge |
US20190299446A1 (en) * | 2018-03-30 | 2019-10-03 | The Gillette Company Llc | Shaving razor handle |
US10906196B2 (en) * | 2014-11-21 | 2021-02-02 | Leaf Shave Company | Razor with pivoting head |
US11117278B2 (en) | 2017-06-06 | 2021-09-14 | The Gillette Company Llc | Shaving razor cartridge |
US11154999B2 (en) | 2018-03-30 | 2021-10-26 | The Gillette Company Llc | Shaving razor cartridge |
USD961849S1 (en) | 2019-03-19 | 2022-08-23 | The Gillette Company Llc | Shaving razor cartridge |
USD961847S1 (en) | 2016-09-09 | 2022-08-23 | The Gillette Company Llc | Shaving razor cartridge |
USD965221S1 (en) | 2018-03-30 | 2022-09-27 | The Gillette Company Llc | Shaving razor cartridge |
US11577417B2 (en) | 2018-03-30 | 2023-02-14 | The Gillette Company Llc | Razor handle with a pivoting portion |
US11590669B2 (en) | 2018-03-30 | 2023-02-28 | The Gillette Company Llc | Razor handle with movable members |
US11607820B2 (en) | 2018-03-30 | 2023-03-21 | The Gillette Company Llc | Razor handle with movable members |
US11691307B2 (en) | 2018-03-30 | 2023-07-04 | The Gillette Company Llc | Razor handle with a pivoting portion |
US11766795B2 (en) | 2018-03-30 | 2023-09-26 | The Gillette Company Llc | Razor handle with a pivoting portion |
US11772291B2 (en) | 2020-03-24 | 2023-10-03 | Leaf Shave Company | Trimmer razor with cam track |
US11780105B2 (en) | 2018-03-30 | 2023-10-10 | The Gillette Company Llc | Razor handle with a pivoting portion |
US11806885B2 (en) | 2018-03-30 | 2023-11-07 | The Gillette Company Llc | Razor handle with movable members |
US11945128B2 (en) | 2018-03-30 | 2024-04-02 | The Gillette Company Llc | Razor handle with a pivoting portion |
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- 1972-03-15 IE IE2633/74A patent/IE36169B1/xx unknown
- 1972-03-15 CA CA137,153A patent/CA961255A/en not_active Expired
- 1972-05-02 TR TR19233A patent/TR19233A/xx unknown
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- 1974-08-20 NO NO742989A patent/NO143733C/no unknown
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- 1977-01-05 SE SE7700097A patent/SE431306B/xx not_active IP Right Cessation
- 1977-07-29 JP JP9130277A patent/JPS5356556A/ja active Pending
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US4031620A (en) * | 1972-07-25 | 1977-06-28 | The Gillette Company | Shaving system |
US3842499A (en) * | 1972-09-08 | 1974-10-22 | Gillette Co | Razor blade assembly |
US3861040A (en) * | 1972-09-08 | 1975-01-21 | Gillette Co | Plural edge blade unit |
US3863340A (en) * | 1972-09-08 | 1975-02-04 | Gillette Co | Plural edge shaving system |
US3852883A (en) * | 1973-01-23 | 1974-12-10 | Warner Lambert Co | Shaving unit for safety razor |
US3858315A (en) * | 1973-01-23 | 1975-01-07 | Warner Lambert Co | Shaving unit for safety razor |
US3938250A (en) * | 1974-05-15 | 1976-02-17 | The Gillette Company | Disposable blade unit |
USD242661S (en) * | 1975-08-21 | 1976-12-07 | The Gillette Company | Disposable razor |
FR2495042A1 (fr) * | 1980-10-06 | 1982-06-04 | Gillette Co | Tete de rasage pour rasoir mecanique |
US4407067A (en) * | 1980-10-06 | 1983-10-04 | The Gillette Company | Shaving implement |
EP0073852A2 (en) * | 1981-09-03 | 1983-03-16 | The Gillette Company | Shaving implement |
EP0073852A3 (en) * | 1981-09-03 | 1983-07-20 | The Gillette Company | Shaving implement |
US4901437A (en) * | 1984-05-25 | 1990-02-20 | American Safety Razor Company | Razor head and method of manufacture |
US4641429A (en) * | 1984-12-24 | 1987-02-10 | Abatemarco Michael R | Razor blade cartridge unit with dual blades |
US4833779A (en) * | 1987-06-30 | 1989-05-30 | American Safety Razor Company | Platform, handle and shield for safety razor |
US4998347A (en) * | 1989-05-08 | 1991-03-12 | Schaechter Friedrich | Shaving instrument with high energy beam induced microstretch element |
US5036587A (en) * | 1990-08-29 | 1991-08-06 | The Gillette Co. | Razor blade assembly |
US5084968A (en) * | 1990-09-10 | 1992-02-04 | The Gillette Company | Razor blade assembly |
US5092042A (en) * | 1990-09-28 | 1992-03-03 | The Gillette Company | Shaving system |
US5497550A (en) * | 1991-11-15 | 1996-03-12 | The Gillette Company | Shaving system |
US5359774A (en) * | 1992-03-28 | 1994-11-01 | Warner-Lambert Company | Razor head of a wet razor |
US5575068A (en) * | 1992-04-27 | 1996-11-19 | Warner-Lambert Company | Safety razor |
WO1993022112A1 (en) * | 1992-04-27 | 1993-11-11 | Jette Bolding Pedersen | Safety razor |
US5331740A (en) * | 1992-10-08 | 1994-07-26 | The Gillette Company | Shaving system |
CN1053138C (zh) * | 1992-10-08 | 2000-06-07 | 吉莱特公司 | 剃须系统 |
US5526567A (en) * | 1992-10-08 | 1996-06-18 | The Gillette Company | Shaving system |
US5347714A (en) * | 1993-02-18 | 1994-09-20 | American Safety Razor Company | Movable blade shaving cartridge |
US5517760A (en) * | 1993-02-18 | 1996-05-21 | American Safety Razor Company | Movable blade shaving cartridge or the like |
US5865189A (en) * | 1993-02-22 | 1999-02-02 | Andrews; Edward A. | Bi-directional shaving method |
US5522137A (en) * | 1993-02-22 | 1996-06-04 | Andrews; Edward A. | Bi-directional razor structures and systems |
US6216349B1 (en) | 1993-09-29 | 2001-04-17 | The Gillette Company | Safety razors |
US20040200074A1 (en) * | 1993-09-29 | 2004-10-14 | The Gillette Company, A Delaware Corporation | Safety razors |
AU685171B2 (en) * | 1993-09-29 | 1998-01-15 | Gillette Company, The | Safety razors |
CN1048441C (zh) * | 1993-09-29 | 2000-01-19 | 吉莱特公司 | 安全剃刀的刀片装置 |
US20060026842A1 (en) * | 1993-09-29 | 2006-02-09 | Bernard Gilder | Safety razors |
WO1995009071A1 (en) * | 1993-09-29 | 1995-04-06 | The Gillette Company | Safety razors |
US6212777B1 (en) | 1993-09-29 | 2001-04-10 | The Gillette Company | Safety razors |
US5469621A (en) * | 1994-01-27 | 1995-11-28 | Alsept; Mark A. | Sefety razors with a reduced sized head and blades |
US5490329A (en) * | 1994-05-17 | 1996-02-13 | The Gillette Company | Shaving system |
US5492038A (en) * | 1994-05-17 | 1996-02-20 | The Gillette Company | Shaving system |
US6295734B1 (en) | 1995-03-23 | 2001-10-02 | The Gillette Company | Safety razors |
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US6077572A (en) * | 1997-06-18 | 2000-06-20 | Northeastern University | Method of coating edges with diamond-like carbon |
US6266884B1 (en) * | 1998-04-01 | 2001-07-31 | American Safety Razor Company | Triple blade safety razor |
US6276062B1 (en) * | 1998-04-01 | 2001-08-21 | American Safety Razor Corporation | Triple blade safety razor |
WO1999050035A1 (en) * | 1998-04-01 | 1999-10-07 | American Safety Razor Company | Triple blade safety razor |
US6112412A (en) * | 1999-04-21 | 2000-09-05 | Warner-Lambert Company | Razor assembly and cartridge having improved wash-through |
US6772523B1 (en) | 1999-04-21 | 2004-08-10 | Eveready Battery Company, Inc. | Pivotable and flexible razor assembly and cartridge |
US6138361A (en) * | 1999-04-21 | 2000-10-31 | Warner-Lambert Company | Pivotable razor assembly and cartridge |
US6182366B1 (en) | 1999-04-21 | 2001-02-06 | Warner-Lambert Company | Flexible razor assembly and cartridge |
US20030121154A1 (en) * | 2000-02-16 | 2003-07-03 | Warner-Lambert Llc | Wet shaving assembly |
US7127817B2 (en) | 2000-02-16 | 2006-10-31 | Eveready Battery Company, Inc. | Shaving preparation for wet shaving assembly |
US20040010918A1 (en) * | 2000-02-16 | 2004-01-22 | Warner-Lambert Llc | Wet shaving assembly |
US8011101B2 (en) | 2000-02-16 | 2011-09-06 | Eveready Battery Company, Inc. | Replacement cartridge for a razor assembly |
US7370419B2 (en) | 2000-02-16 | 2008-05-13 | Eveready Battery Company, Inc. | Replacement cartridge for a razor assembly |
US20070011879A1 (en) * | 2000-02-16 | 2007-01-18 | Eveready Battery Company, Inc. | Wet shaving assembly |
US7086159B2 (en) | 2000-02-16 | 2006-08-08 | Eveready Battery Company, Inc. | Razor assembly |
US6996908B2 (en) | 2000-02-16 | 2006-02-14 | Eveready Battery Company, Inc. | Wet shaving assembly |
US20030200659A1 (en) * | 2000-02-16 | 2003-10-30 | Warner-Lambert Company | Replacement cartridge for a razor assembly |
US7178241B1 (en) | 2000-05-22 | 2007-02-20 | Eveready Battery Company, Inc. | Lubricating shaving assembly |
US7047646B2 (en) | 2001-04-27 | 2006-05-23 | Eveready Battery Company, Inc. | Wet shaving cartridge with four blade edges |
US20060112564A1 (en) * | 2001-04-27 | 2006-06-01 | Eveready Battery Company, Inc. | Wet shaving cartridge with four blade edges |
US8707562B2 (en) | 2001-04-27 | 2014-04-29 | Eveready Battery Company | Wet shaving cartridge with four blade edges |
US20040221455A1 (en) * | 2001-04-27 | 2004-11-11 | Eveready Battery Company, Inc. | Wet shaving cartridge with four blade edges |
US20080034593A1 (en) * | 2001-04-27 | 2008-02-14 | Eveready Battery Company, Inc. | Wet shaving cartridge with four blade edges |
US7469477B2 (en) | 2002-04-24 | 2008-12-30 | Eveready Battery Company, Inc. | Razor assembly |
US20050278954A1 (en) * | 2002-04-24 | 2005-12-22 | Eveready Battery Company, Inc. | Shaving aid body for a safety razor |
US20050015991A1 (en) * | 2002-04-24 | 2005-01-27 | Eveready Battery Company, Inc. | Razor cartridge |
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US7210229B2 (en) * | 2002-04-24 | 2007-05-01 | Eveready Battery Company, Inc. | Razor cartridge |
US7363715B2 (en) | 2002-04-24 | 2008-04-29 | Eveready Battery Company, Inc | Razor assembly |
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US20030217469A1 (en) * | 2002-04-24 | 2003-11-27 | David Coffin | Razor cartridge |
US20030200660A1 (en) * | 2002-04-24 | 2003-10-30 | Warner-Lambert Company | Razor assembly |
US20040103538A1 (en) * | 2002-08-21 | 2004-06-03 | Eveready Battery Company, Inc. | Razor cartridge |
US7111401B2 (en) * | 2003-02-04 | 2006-09-26 | Eveready Battery Company, Inc. | Razor head having skin controlling means |
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US20040235182A1 (en) * | 2003-04-02 | 2004-11-25 | Jones Ronald M. | Adhered membranes retaining porosity and biological activity |
US7162800B2 (en) | 2003-05-12 | 2007-01-16 | Eveready Battery Company, Inc. | Wet shaving assembly |
US20040226171A1 (en) * | 2003-05-12 | 2004-11-18 | Warner-Lambert Llc | Wet shaving assembly |
US8567068B2 (en) | 2003-07-21 | 2013-10-29 | The Gillette Company | Safety razors |
US20060196054A1 (en) * | 2003-07-21 | 2006-09-07 | The Gillette Company | Safety razors |
US20080172878A1 (en) * | 2003-07-21 | 2008-07-24 | Richard Hart Luxton | Safety razors |
US20050172495A1 (en) * | 2004-02-06 | 2005-08-11 | Eveready Battery Company, Inc. | Razor assembly |
US7103976B2 (en) | 2004-02-06 | 2006-09-12 | Eveready Battery Company, Inc. | Razor assembly |
US20080034590A1 (en) * | 2004-02-26 | 2008-02-14 | The Gillette Company | Shaving blade unit |
US20050198837A1 (en) * | 2004-03-11 | 2005-09-15 | Stephen Rawle | Shaving razors with multiple blades |
US20110023307A1 (en) * | 2005-06-10 | 2011-02-03 | Eveready Battery Company, Inc. | Inter-Blade Guard and Method for Manufacturing Same |
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US20100077618A1 (en) * | 2008-09-29 | 2010-04-01 | Mark Peterson | Razor cartridges with perforated blade assemblies |
US20100077617A1 (en) * | 2008-09-29 | 2010-04-01 | Mark Peterson | Razors and razor cartridges with a decreased total interblade span |
US8225510B2 (en) * | 2008-09-29 | 2012-07-24 | The Gillette Company | Razors and razor cartridges with a decreased total interblade span |
US8327545B2 (en) * | 2008-09-29 | 2012-12-11 | The Gillette Company | Razor cartridges with perforated blade assemblies |
US20100170094A1 (en) * | 2009-01-06 | 2010-07-08 | Takashi Hayashi | Safety razor |
CN102666038A (zh) * | 2009-11-18 | 2012-09-12 | 吉列公司 | 用于剃刀的刀片 |
US20130289582A1 (en) * | 2011-07-12 | 2013-10-31 | Zimmer Surgical, Inc. | Dermatome blade assembly |
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US11806885B2 (en) | 2018-03-30 | 2023-11-07 | The Gillette Company Llc | Razor handle with movable members |
US10773403B2 (en) * | 2018-03-30 | 2020-09-15 | The Gillette Company Llc | Shaving razor handle |
USD1021248S1 (en) | 2018-03-30 | 2024-04-02 | The Gillette Company Llc | Shaving razor cartridge |
USD961849S1 (en) | 2019-03-19 | 2022-08-23 | The Gillette Company Llc | Shaving razor cartridge |
US11772291B2 (en) | 2020-03-24 | 2023-10-03 | Leaf Shave Company | Trimmer razor with cam track |
Also Published As
Publication number | Publication date |
---|---|
IL45497A (en) | 1976-03-31 |
TR19233A (tr) | 1978-07-18 |
CA961255A (en) | 1975-01-21 |
HK65079A (en) | 1979-09-21 |
JPS5356556A (en) | 1978-05-23 |
IE36169B1 (en) | 1976-09-01 |
MY8000129A (en) | 1980-12-31 |
NO143733B (no) | 1980-12-29 |
SE431306B (sv) | 1984-01-30 |
NO143733C (no) | 1981-04-08 |
SE7700097L (sv) | 1977-01-05 |
NO742989L (no) | 1972-09-18 |
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