EP0161508B1 - Rasierapparat mit einsetzbarem Hilfsrahmen - Google Patents

Rasierapparat mit einsetzbarem Hilfsrahmen Download PDF

Info

Publication number
EP0161508B1
EP0161508B1 EP85104534A EP85104534A EP0161508B1 EP 0161508 B1 EP0161508 B1 EP 0161508B1 EP 85104534 A EP85104534 A EP 85104534A EP 85104534 A EP85104534 A EP 85104534A EP 0161508 B1 EP0161508 B1 EP 0161508B1
Authority
EP
European Patent Office
Prior art keywords
auxiliary frame
detent means
shaving apparatus
subframe
dry shaving
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
Application number
EP85104534A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0161508A1 (de
Inventor
Roland Ullmann
Hans Eberhard Heintke
Peter Hilfinger
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
Priority claimed from DE3415122A external-priority patent/DE3415122C2/de
Priority claimed from DE3437141A external-priority patent/DE3437141C2/de
Application filed by Braun GmbH filed Critical Braun GmbH
Priority to AT85104534T priority Critical patent/ATE33781T1/de
Publication of EP0161508A1 publication Critical patent/EP0161508A1/de
Application granted granted Critical
Publication of EP0161508B1 publication Critical patent/EP0161508B1/de
Expired 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
    • 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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • 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
    • 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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • 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
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards
    • B26B19/3853—Housing or handle
    • B26B19/386—Means for attaching the head thereto

Definitions

  • the invention relates to a dry shaving apparatus with a movable lower knife and an upper knife cooperating with the lower knife, which is clamped in an auxiliary frame which is provided on its end faces with resilient locking means.
  • a shaving head frame is known with an auxiliary frame which is pushed into the shaving head frame from the housing side of the shaving apparatus and is held by means of resilient locking arms arranged in pairs in the end faces, which engage in correspondingly formed recesses in the end cheeks of the shaving head frame.
  • resilient locking arms arranged in pairs in the end faces, which engage in correspondingly formed recesses in the end cheeks of the shaving head frame.
  • a shaving head frame with an auxiliary frame that can be used from the housing side of the shaving apparatus which is provided with a flange on which the shaving head frame is seated and on which in each case a resilient locking arm and in the area of the end faces of the auxiliary frame a handle plate assigned to this are formed.
  • the subframe can be pulled out of the shaving head frame by attacking it from the outside.
  • considerable tractive forces are required in this device to overcome the locking.
  • Due to the shaving head frame resting on the flange of the subframe the size of the subframe depends on that of the shaving head frame.
  • the shaving head frame and the auxiliary frame are given a relatively large height and width extension. The resulting material expenditure for the subframe with shaving foil has an unfavorable effect on its manufacturing costs.
  • the invention has for its object to provide a dry shaver, the type mentioned in the preamble of claim 1, in which the subframe is easy to use and remove, in particular the tensile force for removing the subframe is largely reduced which the subframe is held in the locking position in the removal direction and the size of the subframe is reduced to a minimum.
  • auxiliary frame between the end cheeks of a shaving head frame or a razor housing is slidably inserted in the direction of the lower knife that resilient locking means with ramp are provided on the end faces of the auxiliary frame that resilient in the front cheeks, the locking means on the unlocking keys which can be actuated are arranged such that a recess with a stop for the latching means of the subframe is provided in the forehead cheeks above the unlocking keys.
  • the particularly easy removal of the subframe arranged between the end cheeks of a shaving head frame or a razor housing provided with end cheeks is achieved in that resiliently arranged unlocking keys are provided in the end cheeks, which act during the unlocking process on run-up ramps which act on the resilient locking means located in the end faces of the subframe are provided, the slope of the run-up ramps being designed such that the pressure exerted on the unlocking buttons pushes them and thus the auxiliary frame out of the latching area.
  • the detached subframe is then only removed from the forehead cheeks by the user
  • the size of the subframe can be significantly reduced, since the frame of the subframe carrying the upper knife can already be provided at the level of the lower knife edge area.
  • the recesses for the resilient locking means of the subframe are provided on the inside of the respective end cheek of a shaving head frame or a razor housing, which is designed accordingly, and consist of a longitudinally running groove, the groove wall of which lies at the end cheek end, a stop for the subframe via the respective locking means forms.
  • Handling when inserting and removing the subframe is additionally facilitated by longitudinal guide grooves embedded in the forehead cheeks.
  • the upper knife is expediently clamped in a curved manner in the subframe, the end faces of the subframe with the respective provided locking means protrude relatively far into the curvature of the upper knife.
  • the resilient latching means are nose-shaped and protrude from the end faces of the subframe with their nose ends directed towards the upper knife.
  • the run-up ramps of the latching means are formed in a simple manner by the bridge of the nose extending obliquely from the protruding nose ends to the rear end faces of the subframe.
  • two rigid guide rails are provided on the end faces of the subframe, which engage in a correspondingly designed guide groove in the end cheeks.
  • the resilient locking means located in the respective end face of the subframe is provided between the two rigid guide rails.
  • the length of the sliding path of the subframe between the end faces in the removal direction is limited by a step-like step provided in the ramp of the locking means.
  • the transition from the slope of the run-up ramps of the latching means to the end faces of the subframe is preferably formed by a step-like shoulder.
  • the step-like step as a transition from the slope of the ramp to the end faces of the subframe or as an interruption of the slope / inclination of the ramp ramps abruptly ends the glide path of the subframe in the removal direction.
  • the release buttons which are no longer in contact with the ramp, but are still under actuation pressure, accelerate into the step-like heels towards the walls of the end faces of the subframe or the rear heel walls and hit them. Accelerating and impacting the release buttons of the subframe are felt and heard by the user.
  • the subframe In this unlocked position, the subframe is kept between the forehead cheeks either ready for removal by the unlocking buttons located in the step-like heels or, when the unlocking buttons are no longer under operating pressure, by the locking means which are not yet completely relaxed in this position and are therefore in contact with the forehead cheeks.
  • FIG. 1 shows the shear area of a dry shaving apparatus with a movable lower knife 1, an upper knife 2 which interacts with the lower knife and is arched in a subframe 3.
  • the lower knife 1 is set in a reciprocating movement by a motor, not shown, accommodated in the housing 4 of the dry shaving apparatus via a rocking lever 5.
  • a helical spring 6 presses the lower knife 1 against the upper knife 2 in a known manner.
  • the end cheeks 9 and 10 are part of the housing 4 in the exemplary embodiment shown in FIG. 1. As an extension of the end faces 11 and 12 of the housing, they are molded onto the upper housing wall 13 of the housing 4, which is below the lower knife 1.
  • the subframe 3 which can be pushed in in the direction of the housing 4 and the end cheek 10 are shown in partial section and show the subframe 3 between the end cheeks 9 and 10 in the locked position.
  • the partial section through the forehead cheek 10 shows an unlocking button 15 fastened by means of a clip connection to a crossbar 14 in the forehead cheek 10 with an elevation 16 protruding from the contour of the forehead cheek and a knob 17 directed towards the lower knife 1. Further parts or measures, which serve to unlock and lock the subframe 3 and their function will be described with reference to FIGS. 2, 3 and 4.
  • a shaving head frame 18 that can be pushed onto the housing 4 is provided, between the end cheeks 9 and 10 of which the auxiliary frame 3 can be inserted in the direction of the housing.
  • Locking elements 20 located on both end faces 19 and acted upon by compression springs serve to lock the shaving head frame 18 on the housing.
  • projections 7 are formed on the housing, which engage in corresponding cutouts 8 on the auxiliary frame 3.
  • the front wall 21 and rear wall 22 of the shaving head frame end approximately at the height of the housing wall 13 of the housing 4.
  • the end frames 9 and 10 receiving and holding the auxiliary frame 3 then protrude from the housing wall 13 so that the latter State is comparable to that shown and described in FIG. 1.
  • the two end faces 23 and 24 of the subframe 3 are identical. This also applies to the two forehead cheeks 9 and 10.
  • an opening 25 is provided which extends in the longitudinal direction of the front cheek and in which a transverse web 14 which penetrates the opening is formed.
  • a resilient unlocking button 15 is attached to the crossbar 14, e.g. by means of a clip connection.
  • an inwardly directed knob 17 is formed.
  • a groove 27 running in the longitudinal direction, the groove wall 28 located in the removal direction of the auxiliary frame 3 serving as a stop for the locked latching means.
  • longitudinal guide rails 30, 31 are formed on the end faces 23, 24 of the subframe, which engage in a guide groove 29 provided in the end cheek 9 and are guided by the side walls thereof.
  • the opening 25 and the groove 27 are located in the lower rear wall of this guide groove 29.
  • the upper knife 2 is clamped in a curved manner in the auxiliary frame 3.
  • the end faces 23 and 24 of the subframe have a contour corresponding to the curvature and, designed in this way, protrude relatively far into the curvature of the upper knife.
  • Guide rails 30 and 31 are formed on the end face 24.
  • a resilient latching means 32 with a run-up ramp 33 is provided between these two guide rails.
  • the latching means 32 is designed in the shape of a nose, the bridge of the nose which acts as a ramp 33 is directed away from the end face 24 and rises in the removal direction.
  • the wall 34 forming the return of the bridge of the nose to the end face 24 serves as a stop for the auxiliary frame 3 on the groove wall 28 in the groove 27 in the end cheek 10.
  • the guide rails 30 and 31 When inserting the auxiliary frame 3 between the end cheeks 9 and 10 according to FIG. 1 or 2, the guide rails 30 and 31 come into engagement with the guide grooves 29 provided in the end cheeks 33 of the latching means 32 for abutment against the end cheeks 9 and 10. Because of the resilient nature of the latching means 32, they are pressed into the auxiliary frame 3 over and in accordance with the incline of the ramp ramps 33. After driving over the end cheek ends, the rear wall of the guide groove 29 takes over further guidance until the latching means 32 deflect into the grooves 27.
  • the auxiliary frame 3 Shortly before the locking means 32 deflects into the grooves 27, the auxiliary frame 3 takes the lower knife 1 with it in the direction of insertion against the pressure of the helical spring 6 via the upper knife 2, so that after the spring means 32 are deflected in the grooves 27, the helical spring 6 under pressure acts on the auxiliary frame 3 via the lower knife 1 and the upper knife 2 and brings the walls 34 of the latching means 32 located in the grooves 27 into contact with the groove walls 28. In this position, the auxiliary frame 3 is held in a defined manner between the end cheeks 9 and 10 and is firmly locked with them.
  • FIGS. 3 and 4 shows an example of the locking area of the auxiliary frame 3 with the front cheek 9 of a shaving head frame 18 locked with the housing 4, the locking elements 20 and 35 of which are irrelevant.
  • the resilient locking means 32 is located in the groove 27 in the front cheek 9, the wall 34 abutting the groove wall 28.
  • the drain ramp 33 leads out of the groove 27 in the direction of the housing wall 13 of the housing 4 to the rear end face 23 of the subframe 3.
  • the front cheek 9 there is a longitudinal opening 25 with a transverse web 14 to which an unlocking button 15 made of resilient material is fastened, e.g. by means of a clip connection.
  • the crossbar 14 can also be rotatably mounted to cause a pivoting movement of the unlock button 15.
  • the release button 15 leads from the crosspiece 14 within the opening 25 in the direction of the end of the cheek and ends with a knob 17 directed towards the auxiliary frame 3 in the upper region of the ramp 33 of the locking means 32.
  • the unlocking button 15 By actuating the unlocking button 15 via the elevation 16, the latter lies or rotates inward about the transverse web 14 and presses the resilient latching means 32 via the discharge ramp 33 into the auxiliary frame 3, as a result of which, as can be seen from FIG Groove 27 and thus brought out of the locked position.
  • the unlocked latching means 32, and thus the auxiliary frame 3 slides off with its drain ramp 33 on the knobs and thereby lifts off the housing wall 13 or moves out of the end cheeks 9 and 10.
  • the released subframe 18 is then only removed from the end cheeks 9 and 10 by the user.
  • the transition from the ramp 33 to the end face 24 is designed as a step-like shoulder 36, which limits the sliding path of the subframe 3 in the removal direction.
  • the release button 15 which presses the subframe via the ramp ramp 33 - which provides the function of a ramp ramp during the removal process - springs or swings with the knob 17 after driving over the ramp ramp end into the step-shaped shoulder 36 and bounces against the end face 23.
  • the abrupt transition from the ramp 33 to the end face 23 is felt by the user, while the impact of the release button 15 on the end face 23 is easy to hear.
  • the abrupt transition from the ramp ramps 33 to the end faces 23 and 24 described above ends the unlocking process of the subframe and also its sliding path between the front cheeks 9 and 10.
  • the unlocking buttons 15 which strike the end faces 23 and 24 of the subframe 3 stop the sliding movement of the subframe 3 and hold this between the forehead cheeks 9 and 10 for further removal by the user.
  • the unlocked auxiliary frame 3 when the actuating pressure acting on the unlocking buttons is removed from the locking means 32 between the forehead cheeks which come into contact with the forehead cheeks 9 and 10 the low spring tension still present in these.
  • Fig. 8 shows the locking area of the subframe 3 with the front cheek 9 as shown and described in Figs. 6 and 7, with the difference that the step-like shoulder 36 is provided in the slope or inclination of the ramp 33.
  • the length of the sliding path of the subframe 3 between the end cheeks 9 and 10 can be adjusted by appropriately positioning the step-like shoulders 36 in the run-up ramps 33 of the latching means 32, taking into account a minimum sliding path that is required to bring the locked subframe 3 into an unlocked position according to the respective application.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
EP85104534A 1984-04-21 1985-04-15 Rasierapparat mit einsetzbarem Hilfsrahmen Expired EP0161508B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85104534T ATE33781T1 (de) 1984-04-21 1985-04-15 Rasierapparat mit einsetzbarem hilfsrahmen.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3415122 1984-04-21
DE3415122A DE3415122C2 (de) 1984-04-21 1984-04-21 Trockenrasierapparat mit einschiebbarem Hilfsrahmen
DE3437141A DE3437141C2 (de) 1984-10-10 1984-10-10 Trockenrasierapparat mit einschiebbarem Hilfsrahmen
DE3437141 1984-10-10

Publications (2)

Publication Number Publication Date
EP0161508A1 EP0161508A1 (de) 1985-11-21
EP0161508B1 true EP0161508B1 (de) 1988-04-27

Family

ID=25820635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85104534A Expired EP0161508B1 (de) 1984-04-21 1985-04-15 Rasierapparat mit einsetzbarem Hilfsrahmen

Country Status (7)

Country Link
EP (1) EP0161508B1 (es)
KR (1) KR930003934B1 (es)
BR (1) BR8501890A (es)
DE (1) DE3562331D1 (es)
HK (1) HK99690A (es)
MX (1) MX160929A (es)
SG (1) SG83990G (es)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609924A1 (fr) * 1987-01-28 1988-07-29 Maxs Ag Cadre en matiere plastique avec grille de rasoir incorporee par moulage
EP0320535A1 (de) * 1987-12-14 1989-06-21 Koninklijke Philips Electronics N.V. Trockenrasierapparat
US5383273A (en) * 1992-07-24 1995-01-24 U.S. Philips Corporation Shaving apparatus having a shaving-head frame and a foil frame to be secured thereto
WO2000005041A1 (de) 1998-07-20 2000-02-03 Braun Gmbh Trockenrasierapparat
US6205666B1 (en) 1996-08-10 2001-03-27 Braun Gmbh Dry shaving apparatus
US6329122B2 (en) 1998-12-22 2001-12-11 Fuji Photo Film Co., Ltd. Process for the preparation of photosensitive lithographic printing plate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102680B (zh) * 2021-11-12 2023-10-13 深圳市阿可美电器有限公司 一种带有接触面可调弧度的护理用剃须刀

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2609924A1 (fr) * 1987-01-28 1988-07-29 Maxs Ag Cadre en matiere plastique avec grille de rasoir incorporee par moulage
EP0320535A1 (de) * 1987-12-14 1989-06-21 Koninklijke Philips Electronics N.V. Trockenrasierapparat
US5383273A (en) * 1992-07-24 1995-01-24 U.S. Philips Corporation Shaving apparatus having a shaving-head frame and a foil frame to be secured thereto
US6205666B1 (en) 1996-08-10 2001-03-27 Braun Gmbh Dry shaving apparatus
WO2000005041A1 (de) 1998-07-20 2000-02-03 Braun Gmbh Trockenrasierapparat
US6381849B2 (en) 1998-07-20 2002-05-07 Braun Gmbh Dry shaving apparatus
US6329122B2 (en) 1998-12-22 2001-12-11 Fuji Photo Film Co., Ltd. Process for the preparation of photosensitive lithographic printing plate

Also Published As

Publication number Publication date
MX160929A (es) 1990-06-19
KR930003934B1 (ko) 1993-05-17
EP0161508A1 (de) 1985-11-21
HK99690A (en) 1990-12-07
SG83990G (en) 1991-02-14
DE3562331D1 (en) 1988-06-01
BR8501890A (pt) 1985-12-24
KR850007396A (ko) 1985-12-04

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