EP0474798B1 - Cadre articule pour rasoir a sec - Google Patents

Cadre articule pour rasoir a sec Download PDF

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Publication number
EP0474798B1
EP0474798B1 EP90917754A EP90917754A EP0474798B1 EP 0474798 B1 EP0474798 B1 EP 0474798B1 EP 90917754 A EP90917754 A EP 90917754A EP 90917754 A EP90917754 A EP 90917754A EP 0474798 B1 EP0474798 B1 EP 0474798B1
Authority
EP
European Patent Office
Prior art keywords
frame
shaving apparatus
mounting
dry shaving
connecting member
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
EP90917754A
Other languages
German (de)
English (en)
Other versions
EP0474798A1 (fr
Inventor
Hans-Eberhard Heintke
Robert White
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 EP0474798A1 publication Critical patent/EP0474798A1/fr
Application granted granted Critical
Publication of EP0474798B1 publication Critical patent/EP0474798B1/fr
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
    • 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
    • B26B19/26—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers of the type performing different methods of operation simultaneously, e.g. reciprocating and oscillating; of the type having two or more heads of differing mode of operation

Definitions

  • the invention relates to a dry shaving apparatus with a drive provided in a housing, a shaving head frame arranged on the housing, a pair of shaving heads running parallel to one another in the longitudinal direction, each consisting of an upper knife and a lower knife, which are vertical and relative to one another are movable, a arranged in the shaving head frame, the upper knives carrying first articulated frame for controlling the relative movement of the upper knives and a second articulated frame carrying the lower knives, which is coupled to a drive element of the drive, the second articulated frame consisting of a with the drive element and the longitudinal axis xx pivotally coupled frame and two support elements coupled to the frame by means of swivel joints and movable relative to and parallel to one another.
  • a dry shaver of the type mentioned is known from EP-A-0267 044.
  • the articulated frame arranged between the drive lever and the two lower knives outside the housing consists of a bearing block pivotally articulated on the drive lever transversely to the longitudinal axis of the lower knives with a bearing bore running parallel to the longitudinal axis of the lower knives, a rigid frame pivotably mounted in this bearing bore, on the outer end faces thereof
  • two bearing bolts are arranged and two parallel, U-shaped supports, the support legs of which are pivotally mounted on the end of the rigid frame by means of bearing bores. are.
  • On the top of each U-shaped carrier a lower knife is attached with the interposition of a leaf spring.
  • the object of the invention is to provide a control for the two longitudinally extending lower knives for a shaving apparatus of the type mentioned above, by means of which the guidance of the lower knives in the vertical direction is improved.
  • this object is achieved in a device of the type mentioned in the introduction in that a connecting element is arranged between the carrier elements and there is an articulated connection between the connecting element and the respective carrier element.
  • the formation and mounting of the second articulated frame on the drive element protruding from the housing of the dry shaving apparatus ensures an exact parallel coupling and alignment of the two lower knives on the support elements of the second articulated frame assigned to them, as well as an exact parallel movement of the two lower knives relative to one another in the vertical direction and beyond a linear swinging motion in the horizontal direction.
  • the two lower knives are then linearly driven via the vertically movable support elements of the second articulated frame while maintaining the parallel arrangement.
  • the coupling of the lower knives by the second articulated frame makes it easier to remove and put on the shaving head frame equipped with upper knives that are movable in the vertical direction relative to one another from or onto the housing of the shaving apparatus.
  • the rotary joints are formed from bearing bores arranged in the respective end walls of the carrier elements and from bearing bolts arranged on the frame and engaging in these bearing bores.
  • the articulated connection between the connecting element and the respective carrier element is preferably formed by film hinges.
  • the rotary joints and the articulated connection of the carrier element with the connecting element are on a common one vertical axis yy and the rotary joints as well as the articulated connection of the carrier element with the connecting element are arranged on a common vertical axis zz running parallel to the axis yy.
  • the drive lever is expediently coupled to the frame by means of two swivel connections.
  • the swivel connections are preferably formed from balls mounted in the end faces of the drive lever and into bearing shells molded into the inner sides of the end walls of the frame.
  • at least one of the balls is acted upon by a spring arranged in the drive lever.
  • the bearing bolts are arranged in pairs on the frame opposite the respective outer sides of the end walls of the frame.
  • an isosceles triangle is formed by the arrangement and the distance of the respective bearing shell from the respective bearing bolts arranged in pairs.
  • the connecting element is arranged on the ends of the carrier elements facing the lower knives and is separated from the end walls of the carrier elements by a gap.
  • a rectangular recess is formed in each of the longitudinal side walls of the connecting element.
  • a coupling arm which extends in the vertical direction, is preferably integrally formed lying on the respective axis y-y and z-z.
  • the housing of a dry shaving apparatus which is only partially shown, is designated by 1, the drive element protruding from the upper housing side 2 from the opening 3 by 4, the shaving head frame by 7, the first articulated frame by 8 and the auxiliary frame by 9 .
  • the two opposite end faces of the first joint frame 8 each consist of a pair of end face walls 8.1, 8.2 and 8.3, 8.4, each of which is articulated to one another by a pair of transverse joints 10, 11, 12, 13, for example by means of film hinges.
  • the side walls 8.1 and 8.3 are connected to one another via two horizontally running side walls (not visible), to which the arched shear foil 14 is attached.
  • the side walls 8.2 and 8.4 are likewise connected to one another via two horizontally running side walls, to which the arched clamped shaving foil 15 is fastened and of which the side wall labeled 16 is visible.
  • a bearing pin is arranged, of which the bearing bolts 17, 18 arranged on the transverse joints 10 and 11 can be seen from the illustration.
  • the bearing bolts 17 and 18 lie on a common axis running in the vertical direction and form an isosceles triangle with the film hinge joints of the respective transverse joints 10 and 11.
  • the invisible end face of the first joint frame is structurally identical to the end face shown visibly.
  • the auxiliary frame 9 serves to support and fasten the first articulated frame 8 in the shaving head frame.
  • the subframe 9 is provided with six recesses 19 to 24 running in the vertical direction.
  • the recesses 19 and 20 formed in the end faces 25 and 26 serve to mount the first joint frame 8 by means of the correspondingly shaped plug-in plates 27 and 28, which are each provided with two bearing bores 29, 30 and 31, 32 for receiving the transverse joints 10 , 11 and 12, 13 located bearing bolts.
  • the end walls 8.1 to 8.4 slide within the respective ones, in the broad side walls 33 and 34 provided recesses 21 to 24 in the vertical direction relative and parallel to each other, inevitably due to the guidance of the transverse joints 10 to 13 pivotably mounted in the bores 29 to 32 of the insert plates 27 and 28.
  • the joint frame 8 and auxiliary frame 9 are in the assembled state inserted from below into the shaving head frame 7 up to the circumferential ledge 35 provided on the auxiliary frame 9 and held in this for example by means of frictional engagement or other fastening means.
  • a locking element 36 arranged in the housing wall of the housing 1 is used in connection with a locking groove (not shown) provided in the shaving head frame 7 for fastening the shaving head frame 7 on the housing 1.
  • FIG. 2 shows the upper part of the housing 1 and the second articulated frame 40, consisting of the frame 41 and the support elements 43 and 44 coupled by means of a connecting element 42.
  • the housing 1 consists of a sleeve 45 surrounding the electric drive.
  • the upper side 2 of the housing has an elongated opening 3 through which the linearly oscillating drive element 4 of the electric drive is surrounded by a seal, not shown here.
  • the drive element 4 is T-shaped.
  • a ball 48 is arranged in the respective end face 46, 47 of the leg, by means of which the frame 41 provided with bearing shells 49, 50 - see FIG. 3 - extends transversely to the longitudinal axis x - x the drive element 4 is pivotally mounted.
  • at least one of the balls 48 is slidably mounted against the pressure of a spring (not shown) into the horizontal leg.
  • bearing pins with a spherical end face can also be arranged in the horizontal leg.
  • the frame 41 consists of a parabolic housing 51, on the housing walls of which run parallel to the longitudinal axis x-x, bearing eyes 52 to 55 are formed so as to protrude beyond the respective end wall 56, 57 of the frame 41.
  • a bearing pin 58 to 61 protruding from the bearing eyes is fastened for the purpose of forming a swivel joint with the bearing bores 66 to 69 provided in the end walls 62 to 65 of the carrier elements 43 and 44.
  • a coupling arm 72, 73 is formed for the attachment of the two lower knives 74, of which only one lower knife is shown in FIG. 2.
  • the lower knives 74 are mounted on the respective coupling arm 72, 73 so as to be vertically movable by means of a pin 76 slidably mounted in a vertical slot 75 against the pressure of a spring (not shown in the illustration).
  • the frame 41 is shown with a partial opening, whereby on the one hand the bearing eye 53 protruding on the wall of the housing 51 opposite the end wall 56 with the bearing bolt 59 fastened therein and on the other hand the protruding on the opposite wall of the housing 51 opposite the end wall 57 molded bearing eye 54 with the bearing pin 61 fastened therein is visible.
  • the bearing shells 49 and 50 molded into the respective end wall 56, 57 on the inside thereof have an inwardly curved shape for the purpose of mounting the balls 48 arranged on the drive element 4.
  • the respective end walls 56, 57 are designed to run obliquely from the inside outwards.
  • the balls 48 are threaded into the bearing shells 49, 50 by means of the sliding walls 77, 78 formed by this shape and tapering from bottom to top.
  • Fig. 4 shows a section A-A through the frame 41.
  • the bearing eyes 54, 55 are formed side by side, each with a bore 79, 80 for receiving the bearing bolts 60 and 61 shown in Figures 2 and 3.
  • the bearing shell 50 formed on the inside of the end wall 57 and the sliding wall 78 are shown in a visible manner.
  • FIG. 5 shows a view of the end wall 56, with bearing eyes 52, 53 formed integrally on the wall of the housing 51, with bores 81, 82 arranged in the bearing eyes, in which the bearing bolts 58, 59 are fastened.
  • FIG. 6 shows a view - see FIG. 2, arrow direction A - of the connecting element 42 and of the carrier elements 43, 44 articulated on its longitudinal sides by means of a hinge connection consisting of film hinges 83 to 86.
  • Each of the carrier elements 43, 44 consists of a parallel end walls 62, 65 and 63, 64 formed on the longitudinal axis of the side wall 87, 88 and on the side walls 87, 88, in each case at the ends at right angles to the longitudinal axis xx.
  • the film hinges 83 and 86 and 84 and 85 are each separated from one another by a rectangular recess 93 and 94 formed in the connecting element 42.
  • the depth T of the recesses 93 and 94 is dimensioned such that the respective coupling arm 72 and 73 formed on the carrier elements 43 and 44 and projecting into the recesses 93 and 94 follow the relative movement of the carrier elements 43, 44 taking place in the vertical direction unhindered can.
  • the top of the coupling arm 72 and the coupling arm 73 are each formed with two cylindrical bolts 95, 96 and 97, 98 for the purpose of holding springs acting on the respective lower knife 74 (not shown).
  • Fig. 7 shows a view of the end walls 62 and 63 of the support elements 43,44.
  • the end walls 62 and 63 are separated from one another by the gap 89 running in the vertical direction, the width B of which is dimensioned such that the relative movement of the Carrier elements 43, 44 can take place unhindered.
  • FIG. 8 shows a section BB (FIG. 6) through the carrier elements 43 and 44 and through the connecting element 42.
  • the bearing bore 69 arranged in the end wall 65 and the film hinge 86 connecting the carrier element 43 to the connecting element 42 rest a vertical axis yy and the bearing bore 68 arranged in the end wall 64 and the film hinge 85 connecting the carrier element 44 with the connecting element 42 on a vertical axis zz running parallel to the vertical axis yy.
  • the vertical axis y-y runs through the coupling arm 72 molded onto the carrier element 43, and the vertical axis z-z runs through the coupling arm 73 molded onto the carrier element 44.
  • a container-like component is produced which can be produced from plastic in an injection molding process and which after assembly with the frame 41 due to the bearing bores 66 to 69 and the bearing bolts 58 to 61 formed swivel joints ensures a vertical and relative movement of the support elements 43 and 44, including the pivoting about the longitudinal axis xx mounting of the frame 41 on the drive element 4.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Claims (12)

  1. Rasoir électrique comprenant un entraînement prévu dans un boîtier (1), un cadre de tête de coupe (7) agencé sur le boîtier (1), une paire de têtes de coupe parallèles l'une à l'autre en direction longitudinale, qui peuvent être déplacées relativement et parallèlement l'une à l'autre en direction verticale, chacune de ces têtes de coupe étant constituée d'un couteau supérieur (14, 15) et d'un couteau inférieur (74), un premier cadre articulé (8) agencé dans le cadre de tête de coupe, portant les couteaux supérieurs (14, 15) et servant à commander le mouvement relatif des couteaux supérieurs, et un second cadre articulé (40) portant les couteaux inférieurs (74), qui est couplé à un élément d'entraînement (4) de l'entraînement, le second cadre articulé (40) étant composé d'un cadre (41) couplé à pivotement avec l'élément d'entraînement (4) autour de l'axe longitudinal x-x, ainsi que de deux éléments de support (43, 44) déplaçables relativement et parallèlement l'un à l'autre, couplés au cadre (41) au moyen de charnières (58, 66; 59, 67; 60, 68; 61, 69), caractérisé en ce qu'un élément de raccord (42) est agencé entre les éléments de support (43, 44) et en ce qu'un raccord articulé (83, 84, 85, 86) est réalisé entre l'élément de raccord (42) et l'élément de support (43, 44) correspondant.
  2. Rasoir électrique selon la revendication 1, caractérisé en ce que les charnières sont formées par des perçages de montage (66, 67, 68, 69) ménagés dans les faces frontales (62, 63, 64, 65) des éléments de support (43, 44) et par des goupilles de montage (58, 59, 60, 61) agencées sur le cadre (41) et s'engageant dans ces perçages de montage.
  3. Rasoir électrique selon la revendication 1, caractérisé en ce que le raccord articulé entre l'élément de raccord (42) et l'élément de support correspondant (43, 44) est formé par des charnières à bandes (83, 84, 85, 86).
  4. Rasoir électrique selon la revendication 1, caractérisé en ce que les charnières (58, 66; 61, 69) ainsi que les raccords articulés (83, 86) de l'élément de support (43) sont agencés avec l'élément de raccord (42) sur un axe vertical commun y-y et en ce que les charnières (59, 67; 60, 68) ainsi que le raccord articulé (84, 85) de l'élément de support (44) sont agencés avec l'élément de raccord (42) sur un axe vertical z-z commun parallèle à l'axe y-y.
  5. Rasoir électrique selon la revendication 1, caractérisé en ce que le levier d'entraînement (4) est couplé avec le cadre (41) au moyen de deux raccords en charnière (48, 49; 48, 50).
  6. Rasoir électrique selon la revendication 5, caractérisé en ce que les raccords en charnière (48, 49; 48, 50) sont formés par des billes logées dans les faces frontales (46, 47) du levier d'entraînement (4) et montés dans des coquilles de montage (49, 50) formées dans les faces intérieures des parois frontales (56, 57) du cadre (41).
  7. Rasoir électrique selon la revendication 6, caractérisé en ce qu'au moins une des billes (48) est sollicitée par un ressort agencé dans le levier d'entraînement (4).
  8. Rasoir électrique selon la revendication 2, caractérisé en ce que les goupilles de montage (58, 59, 60, 61) sont agencées sur le cadre (41) par paires se faisant face et faisant saillie au-delà des faces extérieures correspondantes des parois frontales (56, 57) du cadre (41).
  9. Rasoir électrique selon l'une des revendications 2 à 8, caractérisé en ce qu'un triangle isocèle est formé par la disposition et la distance entre chaque coquille de montage (49, 50) et chaque paire correspondante de goupilles de montage (58, 59; 60, 61).
  10. Rasoir électrique selon la revendication 1, caractérisé en ce que l'élément de raccord (42) est agencé sur les extrémités des éléments de support (43, 44) orientés vers les couteaux inférieurs et séparé par une fente (91, 92) des parois frontales (62, 63; 64, 65) des éléments de support (43, 44).
  11. Rasoir électrique selon la revendication 10, caractérisé en ce qu'un évidement carré est formé dans chacune des parois latérales de l'élément de raccord (42) qui s'étendent en direction longitudinale.
  12. Rasoir électrique selon l'une des revendications précédentes, caractérisé en ce que sur chaque élément de support (43, 44) est formé un bras d'accouplement (72, 73) s'étendant en direction verticale, reposant sur les axes respectifs z-z et y-y.
EP90917754A 1989-06-01 1990-05-21 Cadre articule pour rasoir a sec Expired - Lifetime EP0474798B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3917849A DE3917849C1 (fr) 1989-06-01 1989-06-01
DE3917849 1989-06-01
PCT/DE1990/000522 WO1990014933A1 (fr) 1989-06-01 1990-05-21 Cadre articule pour rasoir a sec

Publications (2)

Publication Number Publication Date
EP0474798A1 EP0474798A1 (fr) 1992-03-18
EP0474798B1 true EP0474798B1 (fr) 1994-05-11

Family

ID=6381829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90917754A Expired - Lifetime EP0474798B1 (fr) 1989-06-01 1990-05-21 Cadre articule pour rasoir a sec

Country Status (6)

Country Link
US (1) US5231761A (fr)
EP (1) EP0474798B1 (fr)
JP (1) JP2667292B2 (fr)
AT (1) ATE105525T1 (fr)
DE (1) DE3917849C1 (fr)
WO (1) WO1990014933A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398412A (en) * 1992-04-23 1995-03-21 Matsushita Electric Works, Ltd. Reciprocatory dry shaver
JP4862768B2 (ja) * 2007-07-12 2012-01-25 パナソニック電工株式会社 電気かみそり
US8801929B2 (en) * 2007-07-18 2014-08-12 Evoqua Water Technologies Llc Trash tolerant filter support for a disc filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292737A (en) * 1978-12-11 1981-10-06 The Gillette Company Dry shaver with differentially biased inner cutter and base members
JPS6266882A (ja) * 1985-09-20 1987-03-26 松下電工株式会社 往復駆動装置の防振装置
DE3610736A1 (de) * 1986-03-29 1987-10-01 Braun Ag Elektrischer rasierapparat mit einem schwenkbaren scherkopfsystem
DE3610772C1 (de) * 1986-03-29 1987-06-04 Philips Patentverwaltung Kleines Haushaltsgeraet,das mittels eines Einphasensynchronmotors angetrieben ist
GB8626631D0 (en) * 1986-11-07 1986-12-10 Gillette Co Dry shavers
US4825542A (en) * 1987-01-30 1989-05-02 Remington Products, Inc. Electric dry shaver

Also Published As

Publication number Publication date
WO1990014933A1 (fr) 1990-12-13
US5231761A (en) 1993-08-03
EP0474798A1 (fr) 1992-03-18
JP2667292B2 (ja) 1997-10-27
DE3917849C1 (fr) 1990-11-29
ATE105525T1 (de) 1994-05-15
JPH04505868A (ja) 1992-10-15

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