EP1098739B1 - Trockenrasierapparat - Google Patents

Trockenrasierapparat Download PDF

Info

Publication number
EP1098739B1
EP1098739B1 EP99931195A EP99931195A EP1098739B1 EP 1098739 B1 EP1098739 B1 EP 1098739B1 EP 99931195 A EP99931195 A EP 99931195A EP 99931195 A EP99931195 A EP 99931195A EP 1098739 B1 EP1098739 B1 EP 1098739B1
Authority
EP
European Patent Office
Prior art keywords
shaving apparatus
dry shaving
removable frame
housing part
seating surfaces
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
EP99931195A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1098739A1 (de
Inventor
Reinhold Eichhorn
Michael Harms
Sebastian Hottenrott
Peter Junk
Michael Odemer
Jens STÖRKEL
Jürgen Wolf
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 EP1098739A1 publication Critical patent/EP1098739A1/de
Application granted granted Critical
Publication of EP1098739B1 publication Critical patent/EP1098739B1/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
    • 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
    • B26B19/048—Complete cutting head being movable
    • 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
    • B26B19/10—Cutting 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

Definitions

  • the invention relates to a dry shaver according to the preamble of the claim 1.
  • a dry shaver of the type mentioned at the outset is from the document DE 33 02 610 A1 known.
  • the removable frame arranged in a housing part is seated by means of a flange on the ledge of the case and is through one in either direction a movable cutting element acting positive locking, which in Recesses engaging projections is formed, coupled to the housing.
  • a housing part provided for receiving and holding an interchangeable frame can be removable on the housing of a dry shaver - see DE 33 02 610 A1 - and also firmly connected to the housing, i.e. Part of the housing be - see DE 44 10 543 C1, Fig. 10 -.
  • Form-fitting couplings between an interchangeable frame and a housing part Dry shavers for a vibration-free fit of the removable frame require a movement-free installation of interacting form-locking elements, i.e. a gap-free form fit.
  • a gap-free form fit is with increased manufacturing effort producible, but it is over a longer period of time during the Use of abrasion or deformation of interacting positive locking elements taking place susceptible to wear, so that the desired effect is a resonance of at least to permanently prevent an interchangeable frame equipped with a cutting element, is excluded.
  • the object of the invention is in a dry shaver of the type mentioned the detachable attachment of an interchangeable frame to the housing part while ensuring a simplify vibration-free attachment of the removable frame on the housing part and make it cheaper.
  • this object is achieved in a dry shaver of the type mentioned Type solved by the features specified in the characterizing part of claim 1.
  • a major advantage of the invention is that the already existing the removable frame on the housing part detachable locking devices for one permanent, vibration-free seat of the removable frame can be used on the housing part, so that additional costs causing components are saved.
  • the latching force of the locking element by means of a spatial alignment of the contact surfaces of the locking element and the contact surfaces of the change frame in a position force component and can be implemented in a holding force component.
  • the vibration-free positioning of the removable frame by placing the removable frame on a stop on the housing part under the influence the position force component on the contact surface of the removable frame is determined.
  • the main advantage of these measures is that based on the known State of the art - see DE 196 32 333 C1 - only the already on the locking elements existing rest areas as well as the rest areas in the removable frame another form is to be given, such that the spatial orientation of all Contact surfaces a conversion of the locking force of the locking element both in a holding force component as well as a positional force component pointing in a common direction causes. It is a purely design measure that only by a modification of the injection molds for the locking elements and for the Removable frame can be reached.
  • the stop is formed by an inner wall of the housing part. This measure causes, for example no costs, since here an existing wall of the housing part as System or support of the removable frame is used for the vibration-free seat.
  • the stop on an inner wall of the housing part is provided.
  • the inner wall is part of an end wall of the housing part.
  • a preferred embodiment of the invention is characterized in that the position force component only in one direction of the directions of vibration of the movable Cutting element is effective. This has the advantage that by a corresponding Course of the contact surfaces on the locking elements of the removable frame alternately the housing part can be put on and locked with it.
  • the holding force component is effective against the removal direction of the removable frame from the housing part.
  • each longitudinal side wall Interchangeable frame provided two locking surfaces.
  • a particularly advantageous embodiment of the invention is characterized in that starting from a common zero point, the locking surfaces are inclined to the x-axis, to the y-axis and to the z-axis.
  • the invention provides that all on the longitudinal side walls of the Interchangeable frame provided locking surfaces in relation to the stop with one in the Coordinate axes x and y as well as x and z increasing course in relation to a common one Zero point are formed.
  • on the locking element at least one locking surface intended.
  • two rest areas are provided.
  • the locking surfaces are wedge-shaped.
  • the alignment of the locking surfaces on the locking elements essentially to the orientation of the locking surfaces in Mobile rack is adapted.
  • the shape of the locking surface of the locking element to the locking surface of the Interchangeable frame is adapted so that the system of interacting locking surfaces is determined by a line-like touch.
  • An alternative embodiment of the invention is characterized in that the contact of the locking surface of the locking element on the Locking surfaces of the removable frame is determined by a point-like touch.
  • the in the housing part arranged locking elements can be acted upon by a spring element.
  • a spring element for acting on two effective in opposite directions Bolt elements provided.
  • Fig. 1 shows a dry shaver TR with a housing 1, in the front Actuator switch 2 and an adjustable trimming system TS are arranged.
  • a device socket 3 for connecting a power supply cable arranged.
  • a shaving head is provided, in the Housing part G a removable frame WR with at least one cutting element S removable is attached.
  • the housing part G of the shaving head is coupled to two support elements 4 and 5.
  • the support elements 4 and 5 are together with the housing part G in the arrow directions P movable back and forth in the housing 1.
  • the support elements 4, 5 are fixed immovably in or on the housing 1.
  • Fig. 2 shows the upper part of the housing 1, in the housing top 6 a plurality of openings 7, 8, 9 for the passage of the support elements 4 protruding from the housing and 5 and a drive pin 10 of an electric drive arranged in the housing 1 A are provided.
  • the drive pin 10 is in engagement with a groove 12 Coupling element 11 for transmitting a back and forth in the arrow directions P.
  • the housing part G consists of two opposite end walls 13, 14 and one bearing the end walls Housing middle part 15. Between the two end walls 13 and 14 is an interchangeable frame WR detachably held by locking devices R.
  • the interchangeable frame WR is at least one cutting element S and / or one of two interacting cutting elements existing cutting unit provided.
  • the locking elements 18, 19 transverse to the directions of vibration - arrow directions P - of a movable cutting element S can be exerted by means of the spatial alignment of the locking elements 18, 19 provided contact surfaces 80, 90 and the provided on the interchangeable frame WR Contact surfaces 20, 21 - see FIGS.
  • a positional force component FS and in a holding force component FU can be implemented such that the removable frame WR by means of the position force component taking effect in a horizontal direction (+) x FS is pressed against a stop AG provided on the housing part G and by means of which become effective in a vertical direction (-y) downward towards the housing 1 Holding force component FU is held by the locking elements 18, 19 on the housing part G.
  • the housing part G of the shaving head is on the support elements 4 and 5 pivoted about a pivot axis Z-Z.
  • the support elements protrude for this 4 and 5 into the interior of the end walls 13 and 14 to in the area of Swivel axis Z-Z by means of a swivel bearing - not shown - the swiveling of the To ensure the shaving head.
  • the housing part G of the shaving head to be rigidly attached to the housing 1 of the dry shaver or be formed as part of the housing - not shown.
  • the support elements 4 and 5 are either rigidly fixed in the housing 1 or according to another embodiment at least movably supported in the arrow directions P.
  • two actuation buttons 16 and 17 are provided, by means of which the removable frame WR can be unlocked by acting on the locking devices R for the purpose of removal.
  • FIG. 3 shows the upper part of the housing 1 with a housing part G provided thereon with the removable interchangeable frame WR, which means additional components of the shaving head and whose arrangement in the housing part G is shown recognizable.
  • the middle part 15 is adjacent to the end walls 13 and 14 each have a locking element 18, 19, resiliently mounted.
  • a cutting element S designed as a bottom knife 22 on a coupling element K arranged.
  • the coupling element K is with the cutting element S in the middle part of the housing 15 arranged movably and with the coupling element 11 for transmitting the drive movement of the drive pin 10 coupled.
  • On each of the locking elements 18 and 19 is in each case a contact surface 80 and a contact surface 90 are provided.
  • the contact surfaces 80 and 90 are wedge-shaped to each other on the end faces of the locking elements 18 and 19 provided.
  • Fig. 4 shows the upper part of the housing 1 with a housing part G arranged thereon and a removable frame WR that can be removed in the direction of arrow E.
  • the Interchangeable frame WR essentially consists of two in the longitudinal direction - arrow direction P - extending webs 32 and 33 and end walls connecting these webs 32 and 33 34 and 35, - see FIG. 5 - and at least one between the webs 32, 33 and end walls 34, 35 arranged upper knife 25.
  • the result of this design is that it is in the locked state of the removable frame WR with the housing part G, the end walls 34 and 35, the inner walls 36 and 37 touch or almost touch the end walls 13 and 14.
  • the removable frame WR can be unlocked by pressing the actuation buttons 16, 17. in the shown state of the removable frame WR are the locking elements 18, 19th out of engagement with the contact surfaces provided on the webs 32, 33 of the interchangeable frame WR 20, 21 as shown in broken lines for example in FIG. 4 is.
  • Fig. 5 shows a section through the housing part G in the area opposite in the housing part G.
  • locking elements 18 movable relative to one another and the contact surfaces assigned to them 20 and the interchangeable frame WR.
  • the upper knives 25 and 26 of one each in the interchangeable frame WR Short hair cutting system KHS and a long hair cutting system LHS are provided.
  • 33 is a respective one inclined contact surface 20, formed on which a locking element 18 abuts.
  • a spring element 52 is provided between the two locking elements 18, by means of which the two locking elements 18, from the respective longitudinal side wall 53 and 54 of the housing part G outstanding, held in a locked position.
  • the spring force exerted by the spring element 52 on the two locking elements 18 acts as a latching force FR via the contact surfaces 90 provided on the locking elements 18 the sloping ones provided on the webs 32, 33 of the interchangeable frame WR Contact surfaces 20 a.
  • the locking force FR extending contact surface 20 is over the contact surfaces acting on it 90 of the locking elements 18, the locking force FR in a corresponding counter to the Arrow direction E acting holding force component FU implemented - see Fig. 2 -, whereby the Removable frame WR a housing part G is held in a locked state.
  • On comparable structure including function is also in the locking area of one Spring element acted upon and on contact surfaces provided in the removable frame 21 acting locking elements 19 given.
  • FIG. 6 shows a partial area of an interchangeable frame with a spring element 52 acting on it Bolt elements 18 according to section A-A shown in Fig. 5 shown.
  • the spring force exerted by the spring element 52 on the two locking elements 18 acts as a latching force FR via the contact surfaces 90 provided on the locking elements 18 those provided on the webs 32, 33 of the interchangeable frame WR, formed obliquely Contact surfaces 20 a.
  • 7, 7a, 7b and 7c and 7d is, for example, the web 33 of an interchangeable frame WR schematically shown to visually the oblique course of the contact surfaces 20 and 21 show.
  • the web 33 On the inner wall of the web 33 are at a relatively wide distance from each other - See Fig. 2 - the contact surfaces 20, 21 as part of projections 110 and 111 integrally formed, the spatial orientation of the contact surfaces 20, 21 using a coordinate system on the protrusion 111 representative of all on the interchangeable frame WR provided contact surfaces 20, 21 is explained in more detail.
  • the x-axis shown in Fig. 7a extends in the longitudinal direction of the web 33 of the removable frame WR, i.e. parallel to the direction of vibration P of the lower knife 22 - see FIG. 3 -.
  • the y-axis intersects the x-axis at a right angle.
  • the contact surface 21 extends with the contact of the locking element 19 characteristic plant line 100 at a predetermined angle each obliquely to the x-axis and diagonally to the y-axis, whereby a position force component FS - see Fig. 6 - takes effect in (+) x direction.
  • y-axis and the z-axis intersecting it at right angles are shown starting from the oblique course of the contact surface 20 from the zero point of the coordinate system show.
  • the z-axis represents the effective direction of the latching force FR.
  • the contact surface 21 extends at a predetermined angle obliquely to the z-axis and obliquely to the y-axis, whereby a holding force component FU becomes effective in (-) y direction.
  • Fig. 7c shows a side view of the web 33 and the projections 110 and 111 with the Contact surfaces 20 and 21 and the investment lines 100 in a plan view.
  • Fig. 7 shows a perspective view of the schematically illustrated web 33 of the Interchangeable frame WR with projections 110, 111 formed thereon and the projections provided thereon Contact surfaces 20 and 21.
  • FIG. 7d shows a perspective illustration of the web 33 with projections formed thereon 100, 111 according to FIGS. 7 to 7c and by means of contact surfaces 80, 90 in contact locking elements 18, 19 located on the contact lines 100.
  • the locking elements 18, 19, which are arranged in a resilient manner in a central housing part 15 - see FIG. 3 and Fig. 5 - can be provided on one end face with a contact surface 80 or 90 his.
  • a contact surface 80 or 90 To ensure a mutual arrangement of the interchangeable frame WR all locking elements 18, 19, each with a contact surface 80 and a contact surface 90 provided, as shown in Fig. 8 and in Fig. 9.
  • the contact surfaces 80 and 90 run in a wedge shape at a predetermined angle to the x-axis, as shown in Fig. 9 is represented by the drawn coordinate system.
  • the contact surfaces 80, 90 are very narrow, so that when they rest on the contact surfaces 20 and 21 of the projections 110, 110 a line-like contact of these contact surfaces 20, 21 and 80, 90 takes place, which is characterized by the illustrated investment lines 100.
  • FIGS. 5, 6 and 7 to 7d Implementation of the locking force FR emanating from the locking elements 18, 19 into a holding force component FU and a position force component FS are to be represented spatially in Fig.
  • all spatial coordinates x-y and z as well as the angles and those of the spatial Alignment of the contact surfaces 20, 21, 80, 90 correspond to, for example, the contact surface 21 assigned coordinate cross, with the zero point for the spatial coordinates is determined by an investment point selected in the middle of the investment line 100.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Glass Compositions (AREA)
EP99931195A 1998-07-20 1999-06-26 Trockenrasierapparat Expired - Lifetime EP1098739B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19832473 1998-07-20
DE19832473A DE19832473C1 (de) 1998-07-20 1998-07-20 Trockenrasierapparat
PCT/EP1999/004446 WO2000005040A1 (de) 1998-07-20 1999-06-26 Trockenrasierapparat

Publications (2)

Publication Number Publication Date
EP1098739A1 EP1098739A1 (de) 2001-05-16
EP1098739B1 true EP1098739B1 (de) 2002-05-08

Family

ID=7874611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99931195A Expired - Lifetime EP1098739B1 (de) 1998-07-20 1999-06-26 Trockenrasierapparat

Country Status (9)

Country Link
US (2) US6415513B1 (zh)
EP (1) EP1098739B1 (zh)
JP (1) JP4316142B2 (zh)
KR (1) KR100602466B1 (zh)
CN (1) CN1112985C (zh)
AT (1) ATE217239T1 (zh)
AU (1) AU4778599A (zh)
DE (2) DE19832473C1 (zh)
WO (1) WO2000005040A1 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19832473C1 (de) * 1998-07-20 2000-03-30 Braun Gmbh Trockenrasierapparat
KR100563481B1 (ko) * 2002-06-17 2006-03-27 마츠시다 덴코 가부시키가이샤 전기면도기의 가동헤드 유지구조
CN100393487C (zh) * 2003-07-04 2008-06-11 皇家飞利浦电子股份有限公司 带有可绕枢轴转动安装的剃削头的剃削设备
GB0416534D0 (en) * 2004-07-23 2004-08-25 Gillette Man Inc A cutter assembly and method of producing same
GB2417007B (en) * 2004-08-13 2009-03-11 Gillette Co Razors
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
CL2008001727A1 (es) * 2007-06-12 2010-02-05 Gillette Co Maquina de afeitar que comprende un mango con un extremo proximal y otro distal, un cuello de adaptador unido de manera pivotante al extremo proximal del mango, una bomba unida a un canal alimentador, una horquilla de conexion a un cartucho y un cartucho para maquina de afeitar.
CN101687328B (zh) * 2007-06-12 2013-03-13 吉列公司 可手动致动的液体分配剃刀
US20090320293A1 (en) * 2008-03-19 2009-12-31 Sean Peter Clarke Manually Actuable Liquid Dispensing Razor With Degradable Shaving Aid
EP3300845B1 (en) * 2016-09-28 2019-10-23 Braun GmbH Shaver coupling and electrical shaver with coupling
EP3300861B1 (en) 2016-09-28 2019-07-03 Braun GmbH Electrically driven device
EP3995271A1 (en) * 2020-11-05 2022-05-11 Braun GmbH Head of a personal care device and personal care device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111754A (en) * 1961-01-09 1963-11-26 Sperry Rand Corp Cutter unit attachment and ejectment means for electric dry shaver
DE1963233C3 (de) * 1969-12-17 1974-08-08 Wolf Dipl.-Ing. 7441 Zizishausen Nagel Steuereinrichtung zum Honen von Bohrungen mit einer inneren Begrenzung
US4292737A (en) 1978-12-11 1981-10-06 The Gillette Company Dry shaver with differentially biased inner cutter and base members
DE3302610C2 (de) * 1983-01-27 1986-03-27 Braun Ag, 6000 Frankfurt Scherkopf für Trockenrasierapparate
DE3415122C2 (de) * 1984-04-21 1986-03-06 Braun Ag, 6000 Frankfurt Trockenrasierapparat mit einschiebbarem Hilfsrahmen
DE4128218C1 (zh) 1991-08-26 1992-08-06 Braun Ag, 6000 Frankfurt, De
US5611145A (en) * 1991-12-20 1997-03-18 Wetzel; Matthias Dry-shaving apparatus
DE4410543C1 (de) * 1994-03-26 1994-12-22 Braun Ag Trockenrasierapparat mit Obermesser-Rahmenverriegelung
CN1065808C (zh) * 1995-02-23 2001-05-16 松下电工株式会社 带有皮肤绷紧器的干式剃须刀
DE19727095C2 (de) * 1996-06-25 2000-08-24 Matsushita Electric Works Ltd Elektrischer Rasierapparat
DE19632333C1 (de) * 1996-08-10 1997-06-05 Braun Ag Trockenrasierapparat
DE19832473C1 (de) * 1998-07-20 2000-03-30 Braun Gmbh Trockenrasierapparat

Also Published As

Publication number Publication date
KR100602466B1 (ko) 2006-07-19
US6415513B1 (en) 2002-07-09
JP2002521104A (ja) 2002-07-16
EP1098739A1 (de) 2001-05-16
CN1112985C (zh) 2003-07-02
US6560875B1 (en) 2003-05-13
CN1308571A (zh) 2001-08-15
KR20010053580A (ko) 2001-06-25
WO2000005040A1 (de) 2000-02-03
DE19832473C1 (de) 2000-03-30
DE59901406D1 (de) 2002-06-13
JP4316142B2 (ja) 2009-08-19
ATE217239T1 (de) 2002-05-15
US20020020066A1 (en) 2002-02-21
AU4778599A (en) 2000-02-14

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