EP0020815A1 - Griff für Rasierhobel - Google Patents

Griff für Rasierhobel Download PDF

Info

Publication number
EP0020815A1
EP0020815A1 EP79105155A EP79105155A EP0020815A1 EP 0020815 A1 EP0020815 A1 EP 0020815A1 EP 79105155 A EP79105155 A EP 79105155A EP 79105155 A EP79105155 A EP 79105155A EP 0020815 A1 EP0020815 A1 EP 0020815A1
Authority
EP
European Patent Office
Prior art keywords
razor
razor handle
arms
frame
handle according
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.)
Withdrawn
Application number
EP79105155A
Other languages
English (en)
French (fr)
Inventor
Chester F. Jacobson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gillette Co LLC
Original Assignee
Gillette Co LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US06/049,923 external-priority patent/US4253235A/en
Priority claimed from US06/049,922 external-priority patent/US4258471A/en
Application filed by Gillette Co LLC filed Critical Gillette Co LLC
Publication of EP0020815A1 publication Critical patent/EP0020815A1/de
Withdrawn legal-status Critical Current

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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
    • B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
    • B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
    • B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle

Definitions

  • This invention relates to razors for wet shaving, and is directed more particularly to a razor for use with a blade assembly which is movable during a shaving operation.
  • Razors having facility for mounting blade assemblies thereon to permit movement of the blade assembly during a shaving operation are known in the art.
  • U.S. Patents 4,083,104 and 4,026,016 disclose such razors.
  • the razors shown and described in those U.S. Patents have opposed and aligned journal means disposed on arm portions.
  • the journal means are adapted to interfit with journal bearings on the blade assembly, to provide a pivotal mounting.
  • To release the blade assembly the arms are pivotally moved outwardly from each other to release the shaving assembly.
  • the pivotal movement of the arms in practice, is rapid and causes an outward movement of the blade assembly, away from the razor. Generally, such outward propulsion of the blade assembly is deemed undesirable. It is preferable that, upon release, the blade assembly be simply released, rather than be thrust away from the razor.
  • an object of the invention to provide a razor handle for a movably mounted blade assembly, the handle being adapted to release the blade assembly without ejecting the blade assembly from the razor handle.
  • a razor handle having spaced first and second arms, and first and second journal pivotal mountings provided respectively on said first and second arms to engage and retain a razor blade unit therebetween and permit movement of said blade unit about an axis defined by said journal pivotal mountings, characterized in that the first and second arms are movable toward and away from each other axially of said journal pivotal mountings to engage and disengage a razor blade unit.
  • the razor includes a grip portion 2 and a head portion 4.
  • the head portion 4 includes a first arm 6 having an upstanding end portion 8.
  • a first journal 10 is fixed to the first arm end portion 8.
  • Affixed to the first arm 6 is a first frame member 12 having an opening 14 therein.
  • a first protrusion 16 extends inwardly of the opening 14 from a side of the first frame member 12.
  • the head portion 4 further includes a second arm 106 having an upstanding end portion 108.
  • a second journal 110 is fixed to the second arm end portion 108.
  • Affixed to the second arm 106 is a second frame member 112 having an opening 114 therein, the opening 114 being generally in alignment with the first opening 14.
  • a second protrusion 116 extends inwardly of the opening 114 from a side of the second frame member 112, the second protrusion 116 being generally opposed to the first protrusion 16.
  • a second extension 118 Extending downwardly from a bottom portion of the second frame member 112, as viewed in the drawings, is a second extension 118 having an inclined edge 120 forming a second cam surface 122, and an edge surface 124 defining a second channel wall 126, the first and second channel walls 26, 126 defining a channel 200 therebetween, the channel 200 leading to an intersection of the opposed first and second cam surfaces 22, 122.
  • a coil spring 202 is disposed in the openings 14, 114, fitted over the protrusions 16, 116.
  • the spring 202 operates to urge the frame members 12, 112 to stay in substantial alignment with each other and biases the frame members 12, 112 toward the position shown in Fig. 2.
  • the head portion 4 includes a first housing member 204 having an opening 206 therein. Extending through the opening 206 is a push button 208 in which is mounted a bifurcated actuator 210 having upstanding lugs 212, 214 defining a recess 216 therebetween.
  • the actuator 210 includes a stem portion 218 about which there is disposed a coil spring 220.
  • the actuator 210 engages the opposed first and second cam surfaces 22, 122 by way of the channel 200, the lug 212 being on one side of the extensions 18, 118 and the lug 214 being on the other.
  • the coil spring 220 maintains the actuator 210 in engagement with the cam surfaces 22, 122.
  • the head portion 4 further includes a second housing member 222, which along with the first housing member 204, enclose the above described mechanism.
  • the second housing member 222 includes a pair of upstanding detents 224, 226 which are disposed proximate to the arm end portions 8, 108, respectively.
  • the upstanding detents 224, 226 are operative to prevent accidental endwise movement of the shaving unit which might cause separation of the journals and inadvertant release of the shaving unit. This is apparent from Figure 2 of the drawings which clearly shows the upstanding detent 226 in a position to abut a wall 426 of the shaving unit and prevent further leftwards movement of said shaving unit.
  • journal bearings which accept the journals 10, 110 for pivotally mounting the shaving unit on the razor.
  • an operator depresses the push button 208, urging the actuator forcefully against the cam surfaces 22, 122, causing the frame members 12, 112 to slide in opposite directions along the axis of the coil spring 202, compressing the spring 202.
  • the arm end portions are then positioned to bring the journals 10, 110 into register with the aforementioned journal bearings.
  • the coil spring 202 causes the frame members 12, 112 to snap back into alignment and the opposed journals 10, 110 to move along their axes toward one another to engage the shaving unit.
  • the operation is repeated, the journals 10, 110 being thereby caused to move outwardly along their aligned axes to separate from the shaving unit and thereby release the shaving unit from the razor.
  • first and second arm portions 6, 106 are each provided with cam means 300, 302 thereon, the.cam means being engageable with complementary cam means on the blade assembly (further described below).
  • the cam means 300, 302 cooperate with the blade assembly cam means to urge the pivotally mounted blade assembly toward a neutral position.
  • the cam means 300, 302 each comprise an inwardly-extending protrusion on the upstanding end portion 8, 108 of either arm 6, 106.
  • Each cam includes a pair of cam surfaces 304, 306 (Fig. 5) intersecting at an apex 308.
  • the illustrative blade assembly includes a frame portion 402 including blade support portions 404, 406 to which are attached blade means 408, 410.
  • the frame portion 402 is retained in a housing 412 having a guard portion 414 and a cap portion 416, the blade means 408, 410 being disposed in an opening 418 therebetween.
  • the blade assembly includes a pair of pivot mounting means preferably journal bearings 420, 422 (Figs. 2 and 3).
  • the journal bearings 420, 422 are disposed in end walls 424, 426, respectively, of the housing 412.
  • the recess 428 broadens outwardly from its inwardmost point 430, as viewed in Fig. 6.
  • Each end wall 424, 426 of the housing is provided with a ridge 432.
  • the recess 428 extends through the ridge 432.
  • the recess 428 comprises a cam means and is deepest in the area of the ridge 432 and tapers toward the outer surface of the end wall 424, 426.
  • the taper of the recess toward the crest 436 of the ridge 432 defines cam surfaces 440, 442 adapted to receive the above-described cam members 300, 302 disposed on the first and second arm portions of the razor to which the blade assembly is connected.
  • the pivot mounting means 420, 422 are adapted to accept complementary pivot mounting means on the handle, preferably the journal members 10, 110 disposed on the aforementioned first and second razor arm portions, thereby to facilitate pivotal movement of the blade assembly on the razor during a shaving operation.
  • the blade assembly preferably comprises a molded plastic or a formed metal and the blade assembly pivot mounting means 420, 422 and the blade assembly cam means 428 are integrally molded or formed portions of the blade assembly.
  • journal bearings 420, 422 receive the journals 10, 110 on the razor and the generally V-shaped recesses 428 receive the cam members 300, 302 on the razor.
  • Each cam member engages the deepest portion of its respective recess.
  • pivotal movement of the blade assembly about an axis extending through the bearings 420, 422 causes movement of the recess, such as to bring one or the other of the cam surfaces 440, 442 to bear against the complemental surfaces of the cam members.
  • the cam members seek the deepest portion of the recesses and thereby urge the return of the blade unit to its "neutral" position.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
EP79105155A 1979-06-19 1979-12-13 Griff für Rasierhobel Withdrawn EP0020815A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US49923 1979-06-19
US06/049,923 US4253235A (en) 1979-06-19 1979-06-19 Shaving system
US06/049,922 US4258471A (en) 1979-06-19 1979-06-19 Razor handle
US49922 1979-06-19

Publications (1)

Publication Number Publication Date
EP0020815A1 true EP0020815A1 (de) 1981-01-07

Family

ID=26727707

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79105155A Withdrawn EP0020815A1 (de) 1979-06-19 1979-12-13 Griff für Rasierhobel

Country Status (2)

Country Link
EP (1) EP0020815A1 (de)
BR (1) BR7908555A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500781A1 (fr) * 1981-03-02 1982-09-03 Warner Lambert Co Support permettant de retenir temporairement une cartouche de lame de rasoir
US6311400B1 (en) 1997-07-22 2001-11-06 The Gillette Company Safety razor
WO2017174120A1 (en) * 2016-04-05 2017-10-12 Bic-Violex Sa A shaver's handle with a lock and release mechanism for engaging and disengaging a razor cartridge

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083104A (en) * 1975-05-12 1978-04-11 The Gillette Company Razor handle
GB1557843A (en) * 1978-01-20 1979-12-12 Gillette Co Safety razors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083104A (en) * 1975-05-12 1978-04-11 The Gillette Company Razor handle
GB1557843A (en) * 1978-01-20 1979-12-12 Gillette Co Safety razors

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500781A1 (fr) * 1981-03-02 1982-09-03 Warner Lambert Co Support permettant de retenir temporairement une cartouche de lame de rasoir
NL8105485A (nl) * 1981-03-02 1982-10-01 Warner Lambert Co Scheerapparaat.
US6311400B1 (en) 1997-07-22 2001-11-06 The Gillette Company Safety razor
WO2017174120A1 (en) * 2016-04-05 2017-10-12 Bic-Violex Sa A shaver's handle with a lock and release mechanism for engaging and disengaging a razor cartridge
KR20180128486A (ko) * 2016-04-05 2018-12-03 빅-비올렉스 에스아 카트리지를 결속 및 결속 해제하기 위한 잠금 및 해제 메커니즘을 갖는 면도기 손잡이
US10576648B2 (en) 2016-04-05 2020-03-03 Bic-Violex Sa Shaver handle with a lock and release mechanism for engaging and disengaging a razor cartridge

Also Published As

Publication number Publication date
BR7908555A (pt) 1980-07-22

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE GB NL

17P Request for examination filed

Effective date: 19810329

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19830713

RIN1 Information on inventor provided before grant (corrected)

Inventor name: JACOBSON, CHESTER F.