EP0591238A1 - Rasoir electrique. - Google Patents

Rasoir electrique.

Info

Publication number
EP0591238A1
EP0591238A1 EP92910387A EP92910387A EP0591238A1 EP 0591238 A1 EP0591238 A1 EP 0591238A1 EP 92910387 A EP92910387 A EP 92910387A EP 92910387 A EP92910387 A EP 92910387A EP 0591238 A1 EP0591238 A1 EP 0591238A1
Authority
EP
European Patent Office
Prior art keywords
coupling
cutting system
pin
housing
hair cutting
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.)
Granted
Application number
EP92910387A
Other languages
German (de)
English (en)
Other versions
EP0591238B1 (fr
Inventor
Matthias Wetzel
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
Publication of EP0591238A1 publication Critical patent/EP0591238A1/fr
Application granted granted Critical
Publication of EP0591238B1 publication Critical patent/EP0591238B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/02Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the reciprocating-cutter type
    • B26B19/04Cutting heads therefor; Cutters therefor; Securing equipment thereof
    • B26B19/10Cutting heads therefor; Cutters therefor; Securing equipment thereof involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly
    • B26B19/102Cutting heads therefor; Cutters therefor; Securing equipment thereof involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly with a secondary cutting unit being translated or slid into an operating position

Definitions

  • the invention relates to an electric shaver with at least one short hair cutting system arranged on a housing and at least one actuating switch slidably mounted on the housing for adjusting a long hair cutting system from an "off" position to at least one operating position, at least a switching part is operatively connected to at least one of the cutting systems via a transmission.
  • An electric shaving apparatus with short hair cutting systems arranged on a housing and an actuating switch mounted displaceably on the housing for adjusting a long hair cutting system is already known (DE 3729257 C2).
  • the shaving apparatus has an actuating switch with a transmission for adjusting the long hair cutting system, so that in this embodiment of the operating switch relatively large switching paths have to be covered for adjusting the long hair cutting system.
  • the object of the invention is to design the actuation switch or the transmission elements between the actuation switch and the long hair cutting system in such a way that the switching stroke of the actuation switch for adjusting the long hair cutting system can be reduced.
  • the object is achieved in that at least the actuating switch has at least one of the cutting systems in FIG Active connection is established.
  • a very smooth, large gear ratio drive connection is created by the transmission gearbox in a simple, cost-effective manner between the actuation switch and the cutting system, which greatly reduces the normally very long switching path of the actuation switch.
  • actuation switch for the long-hair trimmer covers constant switching paths and the associated slide of the long-hair cutting system can cover different switching paths that are adapted to the respective application. This significantly improves the ease of use and handling of the shaving apparatus for the user.
  • the transmission gear is designed as a coupling gear.
  • a gear with a high transmission ratio can be accommodated in the housing of the razor in the smallest space.
  • the crank mechanism can also be used to implement variable gear ratios that are adapted to the respective application.
  • the coupling gear has a pin provided in the region of its coupling point, which extends over a region on a straight guide and over another region on the curve part of the coupling curve.
  • the coupling gear has a rocker arm, which at one end via a hinge pin to the Coupling and is connected at its other end to a fixed point in the housing, and that the coupling gear has a crank which is connected at one end to the coupling via a hinge pin and at the other end to a fixed point in the housing. Due to the coupling mechanism designed as a four-link mechanism and the advantageous arrangement of the crank arm, large ratios can be achieved between the actuating switch and the long-hair trimmer.
  • the coupling is connected via a driver pin to a link provided in the slide and that the crank has at least one driver pin which is received in a link provided in the long hair cutting system or in a switch plate of the actuating switch and transmits the actuating path of the actuating switch to the long hair cutting system.
  • the link provided in the long-hair cutting system is at an angle, in particular at a right angle, to the path of movement of the long-hair cutting system. is ordered. In this way, a lateral movement of the pin can be compensated for in a simple manner when it moves from the straight section into a curved section of the link.
  • the angle to the trajectory of the long hair cutting system can be of different sizes.
  • driver pin arranged on the crank is connected to the actuation switch in the middle or directly in terms of action.
  • a switch plate is arranged on the actuating switch, which has an angled adjusting part in which the link is provided for receiving the driver pin arranged on the crank.
  • Figure! 2 shows a front view of a shaving apparatus with a shaving head, a long hair cutting system, an actuation switch and an on and off switch,
  • FIG. 2 shows a side view of the shaving apparatus according to FIG. 1,
  • FIG. 3 shows an exploded view of the shaving apparatus with a long hair cutter, which can be adjusted between different positions with the aid of a crank mechanism
  • FIG. 4 shows a sectional illustration along the line AB in FIG. 2
  • FIG. 1 shows an electric shaver with a housing 1 and a short hair cutting system 2 and a first actuating switch 9 with an associated long hair cutting system 4 that is slidably arranged on the front side 3 of the housing 1.
  • the long hair cutting system 4 consists of a slide 15 and a long hair cutter 4 'slidably mounted therein.
  • the slide 15 is slidably received on the front of the housing 1 behind the housing wall 8.
  • the long hair cutting system 4 has a T-shaped plate 40.
  • the plate 40 of the long hair cutting system 4 is guided through the two guide parts 22 arranged at a distance from one another.
  • the long-hair trimmer 4 has on its front side two guide elements 31 arranged at a distance from one another, each with a guide groove 32, in each of which a guide part 22 is slidably received.
  • the two guide parts 22 are arranged on a plate 40 of the long hair cutting system 4.
  • the downwardly extending, elongated plate 40 is accommodated in a slot opening 24 and a rectangular opening 30 so as to be vertically movable.
  • the slot opening 24 and the opening 30 are located in the slide 15, which is slidably mounted on the front of the housing 1.
  • each guide pin 35 is fixedly connected to the right and left guide element 31 and the lower end in each case a bore 29 provided in the slide 15 is slidably received. If pressure is exerted on the long-hair trimmer 4 'from above in the "combi" position (see also FIG. 7), the long-hair trimmer 4' can move downward or dive away and thereby optimally adapt to the skin contour of a person , since the angle of attack of the long-hair cutter 4 'continuously adjusts to the outer contour.
  • the short hair cutting system or the shaving head 2 that is not shown pivotable in the drawing can be pivoted relative to the housing 1 and is equipped with an upper knife 5 and a lower knife assigned to the upper knife 5 and not visible in the drawing.
  • the shaving head 2 can be placed on the housing 1.
  • the lower knife 5 is driven directly or indirectly via an electric motor, not shown in the drawing.
  • the cutting blade of the long hair cutter 4 * consisting of a cutting comb and an associated oscillating cutting blade is likewise driven by the electric motor (not shown in the drawing) and a rocking bridge, of which in the drawing the drive part 39 having a slot 41 is shown.
  • a swing lever 37 pivotably mounted on the plate 40 which is coupled on the one hand to the cutting blade of the long hair cutter 4 'via a driver 38 and on the other hand to the drive part 39 via a pin 128 which engages in the slot 41, transmits the oscillating oscillating movement of the swing bridge the cutting blade.
  • the actuating switch 9, by means of which the long hair cutting system 4 can be adjusted between three switching positions "1" to "3", is arranged on the housing wall 8 of the shaving apparatus so as to be displaceable.
  • the switching position "1" corresponds to a rest position or “off” position and the switching position “2" corresponds to a "combination” position, in which the long-hair trimmer 4 'is floatingly mounted and can slide downward when pressure is exerted on the long-hair trimmer 4'.
  • the switching position "3" corresponds to a "Trim ⁇ T position, in which the long hair cutting system 4, as will be explained in more detail below, is determined.
  • a further actuation switch 9 ' only the short hair cutting system 2 of the shaving apparatus is brought from an “off” position (off) to an operating position (on).
  • the actuation switch 9 is provided on its underside with a guide element 6, which is adjustable into the positions “1, 2, 3” in an elongated hole opening 7 provided in the housing wall 8.
  • the actuating switch 9 is connected via the guide element 6 and via connecting pins to a switch plate 10 which has at its upper end an angled actuating part 11 with a link 50 for receiving a driver pin 52.
  • the driving pin 52 belongs to a crank 51 or a coupling gear 12.
  • the coupling gear 12 consists of a coupling 57, to which a rocker 58 is connected via an articulation pin 59 and a crank 51 is articulated via an articulation pin 53.
  • the rocker arm 58 is pivotally mounted on a pin 54 'via a bore 54 in the housing wall 8, while the crank 51 is pivotably connected to the housing wall 8 via a pin 56.
  • a further pin 13 is provided on the coupling 57, which engages in a link 14 of the long-hair cutting system 4 arranged in the slide 15.
  • the backdrop 14 extends approximately at right angles to the path of movement of the long hair cutting system 4, so that a coupling curve 60 described by the pin 13 can also be used in the curve area.
  • the coupling curve 60 has a straight guide 60 'and a curve part 60 ". If the actuating switch 9 is adjusted from its lower position, it is possible that the pin 13 is still in the Curve part 60 "is located. The transverse movement of the pin 13 can by the transverse Setting 14 can be compensated for when the circularly driven crank 51 moves the pin 13 out of the curve part 60 ′′ of the coupling curve 60.
  • the oblique curve section 66 '"of the link guide 66 is curved such that the long-hair trimmer 4' is continuously rotated in one or the other direction during its upward and downward movement (floating position) in an angular range of approximately 10 °.
  • the actuating switch 9 ' is shifted into the "on" position.
  • the actuating switch 9 is moved to the position "2"
  • the long-hair cutting system 4 coupled to the actuating switch 9 is switched on.
  • the actuation switch 9 covers a path of approximately 5 mm and the pin also a path of 5 mm, whereby it can already move into the curve part 60 " Switching characteristics are significantly improved, since the switching paths of the actuating switch 9 are now very small overall, with the last-mentioned adjustment of the long hair cutting system 4 to the "trim" position or vice versa, one can get by with small adjusting paths and design of the coupling gear to make the switching path length of the coupling point or the pin 13 of different sizes, whereby no significantly larger installation space has to be made available for the coupling gear.
  • the long hair trimmer 4 ' is pressed upwards by means of the two springs 36.
  • the upward movement of the straight hair trimmer 4 ' is limited by two hooks 27 arranged laterally on the plate 40, which engage under the projections 28 provided on the slide 15.
  • the hook parts 27 arranged on the plate 40 are equipped with sliding flats which, when the plate 40 is being pushed into the slide, can be brought into contact against sliding surfaces provided on the slide 15 and thereby bend the hooks apart to such an extent that the plate is in a holding position is adjustable.
  • the downward movement of the long hair trimmer 4 ' is limited when the lower edge 124 of the slide 40 bears against the edge 34 which is provided on the slide 15.
  • a distance of up to 10 mm is provided between the lower edge 124 of the slide 40 and the edge 34, so that the long-hair trimmer 4 'can move up and down in this area in the floating position.
  • the slide switch 9 can be fixed by means of locking bolts 16 which are overlapped by a fork 17 of the switch plate 10 having knobs 127.
  • the long hair trimmer 4 'or the plate 40 is fixed by a lock 18 in relation to the lower part 4 "of the slide 15.
  • the lock 18 lies with it upper edge 18 'against a lower edge 40' of the plate 40.
  • the lock 18 is on the base slide or the lower part 4 "of the slide 15 fastened and resilient (see. Fig. 4). If the long hair trimmer system 4 is shifted into the “trim” position by the actuating switch 9, the lock 18 moves along a slope 20 provided in the slot 19, so that the lock 18 is moved into the locking position according to FIG which rests the lock 18 against the lower edge 40 'of the plate 40 and thereby prevents the long hair trimmer 4' from moving downward.
  • the slot 19 is provided in a housing wall 126 of the housing 1. The lock is released in the reverse way.
  • the lock 18 is in an unlocked position in which the upper edge 18 'is moved away from the edge 40 * of the plate 40 due to its spring force.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

La présente invention se rapporte à un rasoir électrique comportant au moins un système de coupe de poils courts (2) disposé sur un boîtier (1), ainsi qu'au moins un interrupteur (9) coulissant disposé sur le boîtier (1) pour le réglage d'un système de coupe de poils longs (4) depuis une position d'"arrêt" jusqu'à au moins une position d'utilisation. L'interrupteur (9) est relié activement avec au moins l'un des systèmes de coupe par l'intermédiaire d'un mécanisme d'accouplement (12) diminuant la course de commutation.
EP92910387A 1991-06-03 1992-05-19 Rasoir electrique Expired - Lifetime EP0591238B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4117988A DE4117988A1 (de) 1991-06-03 1991-06-03 Elektrischer rasierapparat
DE4117988 1991-06-03
PCT/EP1992/001098 WO1992021485A1 (fr) 1991-06-03 1992-05-19 Rasoir electrique

Publications (2)

Publication Number Publication Date
EP0591238A1 true EP0591238A1 (fr) 1994-04-13
EP0591238B1 EP0591238B1 (fr) 1996-02-07

Family

ID=6432966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92910387A Expired - Lifetime EP0591238B1 (fr) 1991-06-03 1992-05-19 Rasoir electrique

Country Status (7)

Country Link
US (1) US5423125A (fr)
EP (1) EP0591238B1 (fr)
JP (1) JP3363151B2 (fr)
AT (1) ATE133891T1 (fr)
DE (2) DE4117988A1 (fr)
HK (1) HK33597A (fr)
WO (1) WO1992021485A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336231C1 (de) * 1993-10-23 1994-05-26 Braun Ag Trockenrasierapparat mit einem Kurzhaarschneidsystem und einem verschiebbaren Langhaarschneidsystem
TW353631B (en) * 1995-09-29 1999-03-01 Sanyo Electric Co Electric razor
DE19822094C2 (de) * 1998-05-16 2000-03-02 Braun Gmbh Trockenrasierapparat
US6601302B2 (en) 2000-09-08 2003-08-05 Remington Corporation, L.L.C. Shaving systems and adjustable trimmers therefor
DE10217988A1 (de) * 2002-04-22 2003-11-13 Braun Gmbh Elektrisches Haarschneidegerät
US20080040927A1 (en) * 2006-08-17 2008-02-21 Tung Yan Lau Electric shaver and trimmer
DE102007005853A1 (de) * 2007-02-01 2008-08-07 Braun Gmbh Haarentfernungsgerät
DE102009030202A1 (de) 2009-06-24 2010-12-30 Braun Gmbh Elektrisch betriebener Rasierapparat
JP6849809B2 (ja) 2017-01-26 2021-03-31 ブラウン ゲーエムベーハー 光源を有するかみそり
US10915672B2 (en) * 2017-08-31 2021-02-09 Autodesk, Inc. Computer-implemented synthesis of a four-bar linkage
EP3539737A1 (fr) 2018-03-16 2019-09-18 Koninklijke Philips N.V. Dispositif de coupe de cheveux
EP3831555A1 (fr) * 2019-12-04 2021-06-09 Koninklijke Philips N.V. Tête de rasoir pour rasoir électrique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7007687A (fr) * 1970-05-28 1971-11-30
NL7007686A (fr) 1970-05-28 1971-11-30
AT368057B (de) * 1980-04-03 1982-09-10 Payer Lux Elektroprod Elektrischer rasierapparat
GB2118886B (en) 1982-03-15 1985-07-17 Hitachi Maxell Electric shaver
US4505036A (en) * 1982-03-15 1985-03-19 Kyushu Hitachi Maxell, Ltd. Electric shaver arranged to be tilted
DE3729257A1 (de) * 1987-09-02 1989-03-23 Braun Ag Trockenrasierapparat mit einem kurzhaarschneidsystem und einem verschiebbaren langhaarschneidsystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9221485A1 *

Also Published As

Publication number Publication date
JPH06507559A (ja) 1994-09-01
DE59205316D1 (de) 1996-03-21
EP0591238B1 (fr) 1996-02-07
DE4117988C2 (fr) 1993-03-18
DE4117988A1 (de) 1992-12-10
JP3363151B2 (ja) 2003-01-08
US5423125A (en) 1995-06-13
HK33597A (en) 1997-03-27
WO1992021485A1 (fr) 1992-12-10
ATE133891T1 (de) 1996-02-15

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