EP0361200B1 - Scherkopf für Trockenrasierapparate - Google Patents

Scherkopf für Trockenrasierapparate Download PDF

Info

Publication number
EP0361200B1
EP0361200B1 EP89116854A EP89116854A EP0361200B1 EP 0361200 B1 EP0361200 B1 EP 0361200B1 EP 89116854 A EP89116854 A EP 89116854A EP 89116854 A EP89116854 A EP 89116854A EP 0361200 B1 EP0361200 B1 EP 0361200B1
Authority
EP
European Patent Office
Prior art keywords
frame
shaving head
shaving
exchangeable
foil
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
Application number
EP89116854A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0361200A1 (de
Inventor
Werner Messinger
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.)
Braun GmbH
Original Assignee
Braun GmbH
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
Application filed by Braun GmbH filed Critical Braun GmbH
Priority to AT89116854T priority Critical patent/ATE71325T1/de
Publication of EP0361200A1 publication Critical patent/EP0361200A1/de
Application granted granted Critical
Publication of EP0361200B1 publication Critical patent/EP0361200B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04—Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/046—Cutters being movable in the cutting head

Definitions

  • the invention relates to a shaving head for dry shavers with the features specified in the preamble of the main claim.
  • Shaving head constructions of this type which are known, for example, from DE-A-2843657, have the advantage that they can be easily dismantled and reassembled for cleaning and replacing damaged or worn shaving foils, even by laymen and inexperienced users, without this the sensitive shaving foil is exposed to the risk of damage.
  • the interchangeable frame and the mounting of the shaving foil thereon can be produced in one injection molding process, so that additional operations are unnecessary.
  • the invention has the object to ensure with a shaving head of the type mentioned that the shaving foil can easily follow the yielding movement of the lower knife under shaving pressure, but remains tied against entrainment by the working movement of the lower knife, and that The shaving foil together with the removable frame can be easily removed at any time.
  • the inventive holder and leadership of the change frame in the shaving head frame can be realized in various ways.
  • the arrangement and design of the tabs allows the elasticity to be varied from the longitudinal sides of the frame to the tabs according to their separate functions by the choice of the material thickness, and to set a desired friction between the surfaces of the tabs and the sides of the shaving head frame by selecting the pressure and the coefficient of friction , which can dampen vibrations. Further advantageous and expedient special features for further developing the invention can be found in subclaims 2 to 6.
  • the shaving head for dry shavers shown in Fig. 1 consists essentially of a shaving head frame 1 of conventional design, which is detachably placed on the apparatus housing 2.
  • a circumferentially closed, box-shaped interchangeable frame 3 can be used, which consists of a limited elastic material in which a shaving foil 4 is arched.
  • This shaving foil 4 interacts with a lower knife 5 ground according to its curvature, which is pressed into the curvature of the shaving foil 4 by a spring 6 and is set into a reciprocating movement by a motor (not shown) via a rocker arm 7.
  • the removable frame 3 shown in FIG. 3 in its removed state and without a shaving foil has two transverse sides 8 and 9 and two longitudinal sides 10 and 11, on the lower edges of which tabs 12 and 13 are formed somewhat offset inwards. These tabs are elastic and in the rest position shown in FIG. 3 are set at a small angle to the outside.
  • a part of the holder and guide means for the interchangeable frame 3 in the shaving head frame 1 is attached in the form of openings 14, into which, as another part of the holder and guide means, hook-shaped projections 15, which on the associated inner surfaces 16 of the Shaving head frame 1 are provided to intervene.
  • the fits between the openings and projections are selected in part as a narrow sliding fit, which only allows vertical movement but no substantial movement in the working direction of the lower knife, while for the yielding movement of the removable frame and shaving foil in or against the arrow direction A, a clearance fit corresponding to this movement stroke is provided, as shown in Fig. 1.
  • the mounting and guide means can of course also be interchanged, ie the projections 15.1 are on the tabs 12, 13 and the openings 14.1 on the inner surfaces 16 of the shaving head frame 1.
  • the height of the openings 14 and 14 ' is slightly larger than that possible way of the lower knife 5 under shaving pressure ie opposite to the direction of arrow A and the selected displacement path B between the changing frame 3 and the shaving head frame 1, which is limited at the bottom by placing the lower edge of the changing frame on the upper edge of the shaving head frame.
  • Above the transverse sides 8, 9 of the interchangeable frame 3 rise end cheeks 17, 18 which are provided with sliding knobs 21 on their outer surfaces facing the end cheeks 19, 20 of the shaving head frame 1.
  • the distance between the end cheeks 17, 18 of the interchangeable frame from each other has a certain excess compared to the corresponding distance between the end cheeks 19, 20 of the shaving head frame 1, so that the end cheek pairs 17-19 and 18-20 abut against one another with a slight tension via the sliding knobs 21.
  • the shaving foil 4 is fastened to the long sides 10 and 11 of the interchangeable frame, in this case generally rigid, for example by welding or extrusion coating.
  • the interchangeable frame 3 or 3.1 is deformed inward by pressure on its long sides 10, 11 so that it can be inserted with its tabs 12, 13 into the shaving head frame 1, 1.1, 1.2 from above until the holding means snap into place .
  • the tabs 12, 13 engage behind the associated inner surfaces 16 of the shaving head frame and rest there with slight tension.
  • the interchangeable frame together with the clamped-in single or multiple-curved shaving foil and it with this cooperating bottom knife arrangement can yield to the inside of the housing without the shaving foil bulging out and the contact area between the two shear parts being reduced.
  • the corresponding surfaces of the interchangeable frame which bear against the walls of the shaving head frame with slight tension ensure that the displacement movement takes place with a certain amount of friction, with which fluttering and vibrations of the interchangeable frame are largely eliminated.
  • the additional construction effort is low, so that economical production is also ensured.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Drilling Tools (AREA)
EP89116854A 1988-09-30 1989-09-12 Scherkopf für Trockenrasierapparate Expired - Lifetime EP0361200B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89116854T ATE71325T1 (de) 1988-09-30 1989-09-12 Scherkopf fuer trockenrasierapparate.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3833179 1988-09-30
DE3833179A DE3833179A1 (de) 1988-09-30 1988-09-30 Scherkopf fuer trockenrasierapparate

Publications (2)

Publication Number Publication Date
EP0361200A1 EP0361200A1 (de) 1990-04-04
EP0361200B1 true EP0361200B1 (de) 1992-01-08

Family

ID=6364038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89116854A Expired - Lifetime EP0361200B1 (de) 1988-09-30 1989-09-12 Scherkopf für Trockenrasierapparate

Country Status (6)

Country Link
US (1) US4991295A (https=)
EP (1) EP0361200B1 (https=)
JP (1) JP2649277B2 (https=)
AT (1) ATE71325T1 (https=)
DE (2) DE3833179A1 (https=)
ES (1) ES2027814T3 (https=)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5611145A (en) * 1991-12-20 1997-03-18 Wetzel; Matthias Dry-shaving apparatus
DE4215398C1 (https=) * 1992-05-11 1992-12-10 Braun Ag, 6000 Frankfurt, De
AT398719B (de) * 1992-07-24 1995-01-25 Philips Nv Rasierapparat mit einem scherkopfrahmen und einem an diesem festhaltbaren folienrahmen
JP2567081Y2 (ja) * 1992-07-28 1998-03-30 松下電工株式会社 往復式電気かみそり
DE4410543C1 (de) * 1994-03-26 1994-12-22 Braun Ag Trockenrasierapparat mit Obermesser-Rahmenverriegelung
US6901664B2 (en) * 2002-07-18 2005-06-07 Wahl Clipper Corporation Hair clipper and seal
NZ526193A (en) * 2003-05-29 2005-10-28 Der Patents Ltd Razor
US20060143924A1 (en) * 2004-12-30 2006-07-06 Rovcal, Inc. Electric shaver
KR200396685Y1 (ko) * 2005-06-21 2005-09-26 오태준 이단걸림 외도대를 구비한 전기면도기
WO2016001019A1 (en) * 2014-07-04 2016-01-07 Koninklijke Philips N.V. Blade set, hair cutting appliance, and related manufacturing method
JP6644557B2 (ja) * 2016-01-18 2020-02-12 マクセルホールディングス株式会社 電気かみそり

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE635381A (https=) * 1962-07-24 1900-01-01
CH467136A (de) * 1967-10-19 1969-01-15 Apag App Bau Ag Trockenrasierapparat
JPS492702Y1 (https=) * 1970-07-09 1974-01-23
JPS5325665Y2 (https=) * 1972-03-27 1978-06-30
JPS49702A (https=) * 1972-04-19 1974-01-07
ZA7440B (en) * 1973-02-05 1974-11-27 Schick Inc Power shaver with drop-in replaceable stationary cutter foil assembly
DE2843657A1 (de) * 1978-10-06 1980-04-10 Braun Ag Trockenrasierapparat mit einem scherkopfrahmen und einem in diesen einsetzbaren hilfsrahmen
AT385448B (de) * 1985-05-02 1988-03-25 Philips Nv Scherkopf fuer einen trockenrasierapparat

Also Published As

Publication number Publication date
US4991295A (en) 1991-02-12
DE3833179C2 (https=) 1990-07-12
JP2649277B2 (ja) 1997-09-03
EP0361200A1 (de) 1990-04-04
JPH02109587A (ja) 1990-04-23
ATE71325T1 (de) 1992-01-15
DE58900699D1 (de) 1992-02-20
DE3833179A1 (de) 1990-04-05
ES2027814T3 (es) 1992-06-16

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DE274427C (https=)

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