EP0442880B1 - Instrument pour couper les cheveux - Google Patents

Instrument pour couper les cheveux Download PDF

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Publication number
EP0442880B1
EP0442880B1 EP89905406A EP89905406A EP0442880B1 EP 0442880 B1 EP0442880 B1 EP 0442880B1 EP 89905406 A EP89905406 A EP 89905406A EP 89905406 A EP89905406 A EP 89905406A EP 0442880 B1 EP0442880 B1 EP 0442880B1
Authority
EP
European Patent Office
Prior art keywords
roller
hair
blade
cutting device
rollers
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
EP89905406A
Other languages
German (de)
English (en)
Other versions
EP0442880A1 (fr
Inventor
Eugen Ihne
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.)
DUPUIS Marie-Rose
Original Assignee
DUPUIS Marie-Rose
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 DE19883815329 external-priority patent/DE3815329A1/de
Priority claimed from DE19883815330 external-priority patent/DE3815330A1/de
Application filed by DUPUIS Marie-Rose filed Critical DUPUIS Marie-Rose
Priority to AT89905406T priority Critical patent/ATE83420T1/de
Publication of EP0442880A1 publication Critical patent/EP0442880A1/fr
Application granted granted Critical
Publication of EP0442880B1 publication Critical patent/EP0442880B1/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
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/14—Safety razors with one or more blades arranged transversely to the handle
    • B26B21/34—Safety razors with one or more blades arranged transversely to the handle of the type carrying rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
    • B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
    • B26B21/10—Safety razors with one or more blades arranged longitudinally to the handle
    • B26B21/12—Safety razors with one or more blades arranged longitudinally to the handle combined with combs or other means for hair trimming

Definitions

  • the invention relates to a hair clipper of the type corresponding to the preamble of claim 1.
  • Such a hair clipper is known as a shaving and hair clipper from DE-C-392 773.
  • a normal double-sided razor blade is used, which can be attached to the cutter head by a releasable clamping device, as is known from the well-known hand-held razors.
  • This clamping device comprises a slightly curved plate covering the razor blade except for the cutting edges, which can be tightened against a correspondingly curved base by means of a screw which, in the middle, penetrates a hole in the razor blade and thereby clamps the razor blade located therebetween.
  • the clamping device is complex to manufacture and, due to the essentially linear arrangement, cannot ensure that the razor blade is clamped free of vibration in the vicinity of the cutting edge.
  • the invention has for its object to improve a generic hair clipper.
  • the blades are simply inserted lengthways from the outside into the holders and, due to this process, are already under tension and are vibration-proof due to the flat system, without the need for further measures.
  • the definition does not require the separation of parts that can be separated from one another and can be lost.
  • the blade can be arranged opposite the roller according to claim 4.
  • peripheral surface of the peripheral webs leads to the fact that a type of edge is formed on the two flanks of the peripheral webs, which prevents the strand of hair resting on this peripheral web from sliding sideways into one of the adjacent peripheral grooves.
  • the hair strands lying on the outside and which have entered the circumferential grooves on the inside and are preferably exposed to the cutting action are effectively separated in this way.
  • the rollers have thread-like circumferential grooves, the purpose of which is to move the hair a little in the axial direction when the rollers are rotated in order to achieve a pulling cut.
  • the circumferential webs are so narrow here that the hair cannot find a hold on the outer circumference thereof and the entirety of the hair of a strand is found on the base of the circumferential grooves.
  • the cutting edge is assigned individual rollers lined up on an axis, which are intended to prevent the cutting edge of the razor from penetrating into the skin during shaving and which their rotation should remove the soap foam and the cut hair. In a cut through the axis, the rollers have circumferential webs with a rounded outer circumference, which the strands of hair cannot hold.
  • the depressions in the circumferential surface of the circumferential webs can be designed in detail in the ways specified in claims 7 to 9, the selection of which takes place depending on the desired thinning effect.
  • rollers can be designed in the manner set out in claim 10.
  • the circumferential webs are designed here only as relatively thin disks, which only have the purpose of keeping the fingers away and preventing cuts on the cutting edge.
  • the embodiment according to claim 11 results in a role for a pronounced effect cut, in which the strand is displaced along the cutting edge during movement through the helically wound circumferential web.
  • the hair clipper of FIG. 1, designated as a whole by 10, consists of a molded plastic part and comprises an elongated handle 1, from which a knife head 2 extends upwards, which is essentially plate-shaped and has a front flat side 3 and a rear flat side 4 ( 3).
  • a knife head 2 extends upwards
  • the recesses 11, 12 form niches in which the rollers 8, 9 find space.
  • the ends 6 ', 6 ⁇ of the axis 6 engage in the end faces of the roller 8 overlapping parts 33,34 of the cutter head 2.
  • a groove-like recess 13 is provided which extends over its length and corresponds to a same recess 14 in the left half of the flat side 4 arranged symmetrically to the axis 5.
  • holders 15 in the form of elongated sheet metal strips which are bent around a longitudinal axis by more than 180 ° are glued or otherwise fastened and have resilient legs 16, 17, between which a strip-shaped blade 18 with a blade over the longitudinal edge 27 the leg 16, 17 is arranged between these laterally protruding cutting edge 19.
  • Plastic strips 21, 22 are arranged on both sides of the blade 18, which cover the flat sides of the blade 18 and are inserted together with the blade 18 as a package according to FIG. 1 from above into the holder 15, as indicated by the arrow 23 in FIG. 1 is indicated.
  • the axis 7 of the roller 9 lies in the central plane 25 outside the cutting edge 19, but the circumference of the roller 9 still covers the cutting edge 19, and the blade plane 44 forms an angle 24 of approximately 5 ° to 20 ° with the central plane 25 of the cutter head 2 , in the example 10 °.
  • the roller 8 is a smooth cylindrical roller.
  • the roller 9, however, has circumferential grooves 26 distributed over its length at regular intervals.
  • a strand is passed by hand over the roller 8 and the blade 19 of the upper blade in FIG. 3 and rear blade 18 in FIG. 1 is attacked by turning the handle 1 slightly.
  • the result is a smooth cut, it being possible to determine by appropriate rotation of the handle 1 whether a cut should be made deep into the streak or whether a cut that is gradually becoming deeper should be produced.
  • the hair clipper 10 is turned through 180 °, so that the roller 9 takes the place of the roller 8.
  • a strand passed over the roller 9 partially enters the circumferential grooves 26, and only these hair strands are gripped by the cutting edge 19.
  • the boundaries 31 of the recess 11 and 32 of the recess 12 run towards the operating side of the hair clipper 10 obliquely from the respective roller 8 or 9, so that the operator from the operating side through the respective recess 11 or 12 one Has a view of the cutting edges 19 and the working of the device.
  • the embodiment 20 of FIG. 2 corresponds to that of FIG. 1 with the exception of the rollers 38, 39, which in the exemplary embodiment are designed as counter-rotating screws with particularly deep threads, the cross section of which in a plane passing through the roller axis roughly corresponds to the shape of a slightly oblique one "V" has. If one of the rollers 38, 39 is guided along a strand of hair when working with the hair clipper 20, the rotation of the rollers 38, 39 results in a shift of the hair strands that have entered the individual thread turns in the axial direction of the rollers 38, 39 and thereby a pulling effect -Cut.
  • a removable protective cap 37 is indicated, which can consist of a transparent plastic and is slipped over the cutter head 2 when the hair clipper is not in use.
  • partially spherical elevations 35 or transverse ribs 36 are provided on the handle 1 below the cutter head.
  • cross-sectional shapes of the circumferential webs 49 of the roller 9 are shown on an enlarged scale. The same cross-sectional shapes also come into consideration for the finely divided roller 9 '.
  • the circumferential webs 49 are recessed on their outer circumferential surface.
  • the outer circumferential surface 53 is concave with a circular cross-section, the center of the circle 54 being located symmetrically to the circumferential web 49 'and the radius 55 corresponds approximately to the width of the circumferential web 49'.
  • the depression is formed by a cylindrical part 56 of the circumferential surface which is coaxial with the axis of the roller 9 and which rises outwards to the outermost circumference via inclined surfaces 57.
  • the recess is formed by V-shaped inclined surfaces 58 which form an angle of approximately 120 ° with one another in the exemplary embodiment.
  • an edge increase is formed on the flanks 51 of the circumferential web 49 'or 49 ⁇ or 49 ⁇ ', which means that an overlying strand of hair is prevented from slipping into the adjacent circumferential grooves 26 and is pushed toward the center of the depression.
  • the circumferential grooves 26 have a rectangular cross section, i.e. its cylindrical base extends coaxially to the axis of the roller 9, so that the hair lying on the base is simultaneously gripped by the cutting edge 19. In the area of the flanks 51 of the circumferential webs 49 there is a distinct step in the height of the hair. For the roller 9 'and the circumferential grooves 28, the same applies.
  • the handle 1 is kept slimmer than in the embodiments of FIGS. 1, 2 and 4 and approximately in the middle of its length with a widening 1 'provided for ergonomic reasons. This embodiment facilitates turning the hair clipper 40 in the hand.
  • the overall structure of the hair clipper 40 differs only in the type of rollers 59, 59 'from the embodiments 10, 20 and 30.
  • the roller 59 comprises a cylindrical core 61 which is freely rotatable on the axis 6 and around which two narrow circumferential webs Strips 62 are wound helically.
  • the strips have a flat rectangular cross-section and the longer side of the cross-sectional rectangle extends perpendicularly outwards from the axis 6.
  • the screw formed is double-start in the exemplary embodiment, i.e. two strips 62 are wrapped together.
  • the roller 59 forms a left-handed screw, the roller 59 'a right-handed screw. A change allows effet cuts of different orientations.
  • the left roller 9 corresponds to the rollers 9 of FIGS. 1 and 4.
  • the right roller 69 in the exemplary embodiment has five, relatively thin, evenly distributed on a cylindrical core 63 over the length of the roller 69 radially projecting disks 64 that are relative between themselves leave wide circumferential grooves 66.
  • the total amount of the strand of hair sits on the bottom of the circumferential grooves 66 and undergoes a straight cut on the cutting edge 19.
  • the disks 64 have the purpose of largely preventing the strand of hair from slipping in the longitudinal direction of the roller 69 and, moreover, of keeping the fingers away from the cutting edge 19.
  • FIG. 11 shows that, in contrast to FIG. 3, the blade plane 44 no longer points radially outside the rollers, but extends within the outer circumference of the rollers 9 and 69, but outside the respective core 61 and 63 the role.
  • the groove-like recesses 13 ', 14' are formed in the hair clipper 50 as slots that enclose the brackets 15 on both sides from the outside.
  • the brackets 15 therefore only need to be pushed in lengthwise, but not to be glued or fastened in any other way.

Landscapes

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

Abstract

Instrument pour couper les cheveux (10) comprenant un manche (1) doté en l'une de ses extrémités d'une tête de coupe (2) dans laquelle sont agencées face à face, dans des supports (15), des lames dont les tranchants (19) sont orientés dans la direction de l'axe (5) du manche (1). Des rouleaux (8, 9) rotatifs sur des axes (6, 7) parallèles audit axe (5) du manche sont agencés dans la tête de coupe (2), à proximité des tranchants (19). Les mèches de cheveux sont positionnées sur ces rouleaux au moment de la coupe. Les supports (15) avec les lames (18) sont agencés de telle façon que leur orientation lorsqu'ils collaborent avec l'un ou l'autre rouleau (8, 9) soit sensiblement la même par rapport aux deux rouleaux.

Claims (11)

  1. Appareil pour la coupe des cheveux (10, 20, 30, 40, 50) comprenant :
    - une poignée de forme allongée (1),
    - une tête de coupe (2), partant d'une extrémité de la poignée (1) et orientée selon la direction longitudinale de celle-ci,
    - au moins une lame (18) montée sur la tête de coupe et deux tranchants (19) parallèles à l'axe longitudinal de la poignée ou de la tête de coupe, montées libres et orientées vers l'extérieur par rapport à cet axe,
    - associé à chacun des tranchants (19), parallèle et s'étendant sur tout la longueur de celui-ci, un galet (8, 9, 9′, 38, 39, 59, 59′, 69) monté à rotation libre dans la tête de coupe (2), à courte distance du tranchant (19) correspondant, l'axe du couteau, dans une vue transversale par rapport à l'axe médian longitudinal (5) de la poignée (1) et ou de la tête de coupe (2), se situant au delà du tranchant (19) et du côté de ce tranchant (19) où se trouve l'opérateur tenant en main l'appareil,
    caractérisé en ce que :
    - les tranchants (19, 19) ont leurs faces en regard disposées de part et d'autre du plan médian (5) de la tête de coupe (2),
    - la tête de coupe est l'élément dans lequel sont montés les axes (6, 7) de deux galets,
    - chacune des faces en regard (3, 4) de la tête de coupe (2), de part et d'autre du plan médian (5), est équipée d'un support élastique (15) portant une lame (18) qui est engagée longitudinalement de l'extérieur dans le support et qui est maintenue à plat par une pression élastique perpendiculaire au plan (44) de la lame, jusqu'au bord du tranchant (19), lequel dépasse le long du bord longitudinal externe (27) du support.
  2. Appareil pour la coupe des cheveux selon la revendication 1, caractérisé en ce que la lame (18) est constituée d'une mince bande dont un bord longitudinal est biseauté en tranchant (19).
  3. Appareil pour la coupe des cheveux selon la revendications 1 ou 2, caractérisé en ce que le support (15) est constitué d'une bande de tôle allongée, replié d'au moins 180° autour d'un axe longitudinal, les branches (16, 17) ainsi formée enserrant la lame (18) avec interposition de deux bandes de matière plastique (21, 22).
  4. Appareil pour la coupe des cheveux, selon une des revendications 1 à 3, caractérisé en ce que le plan (44) de la lame passe à l'extérieur de la périphérie du galet (8, 9) associé.
  5. Appareil pour la coupe des cheveux, selon une des revendications 1 à 3, caractérisé en ce que chacun des galets (9, 9′, 38, 39, 59, 59′, 69) portent, réparties sur sa longueur, des rainures périphériques (26, 28, 66) divisant la surface des galets en cordons périphériques (48, 49, 62, 64), le plan (44) de la lame traversant la surface périphérique du galet associé tout en passant à l'extérieur du fond (26′) des rainures périphériques.
  6. Appareil pour la coupe des cheveux, selon une des revendications 1 à 5, caractérisé en ce que chacun des galets (9, 9′) porte, réparties sur sa longueur, des rainures périphériques (26, 28) séparant des cordons dont chacun présente, à sa périphérie, selon une vue en coupe passant par l'axe (6, 7) du galet (9, 9′), un sillon entre des arêtes (51).
  7. Appareil pour la coupe des cheveux, selon la revendication 6, caractérisé en ce que le sillon entre les arêtes (51), vu en coupe par un plan passant par l'axe du galet (9), a une section circulaire (53, 54, 55).
  8. Appareil pour la coupe des cheveux, selon la revendication 6, caractérisé en ce que le sillon entre les arêtes, vu en coupe par un plan passant par l'axe du galet (9), a une section en V (58, 58).
  9. Appareil pour la coupe des cheveux, selon la revendication 6, caractérisé en ce que le fond (26′) de la rainure périphérique (26), vu en coupe par un plan passant par l'axe (6, 7) du galet (9) est coaxial à cet axe.
  10. Appareil pour la coupe des cheveux, selon l'une des revendications 1 à 5, caractérisé en ce que le galet (69) présente, réparties sur sa longueur, des rainures périphériques (66) séparant des cordons périphériques (64) dont la largeur ne dépasse pas un cinquième de celle des rainures (66) périphériques.
  11. Appareil pour la coupe des cheveux, selon l'une des revendications 1 à 10, caractérisé en ce que le galet (59, 59′) est constitué d'un noyau cylindrique (61) entouré d'un cordon périphérique (62) de forme hélicoïdale, dont la section par un plan passant par l'axe du galet (59, 59′) est orientée selon une direction sensiblement perpendiculaire à cet axe.
EP89905406A 1988-05-05 1989-05-03 Instrument pour couper les cheveux Expired - Lifetime EP0442880B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89905406T ATE83420T1 (de) 1988-05-05 1989-05-03 Haarschneidegeraet.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3815329 1988-05-05
DE19883815329 DE3815329A1 (de) 1988-05-05 1988-05-05 Haarschneidegeraet
DE19883815330 DE3815330A1 (de) 1988-05-05 1988-05-05 Haarschneidegeraet mit rollen
DE3815330 1988-05-05

Publications (2)

Publication Number Publication Date
EP0442880A1 EP0442880A1 (fr) 1991-08-28
EP0442880B1 true EP0442880B1 (fr) 1992-12-16

Family

ID=25867799

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89905406A Expired - Lifetime EP0442880B1 (fr) 1988-05-05 1989-05-03 Instrument pour couper les cheveux

Country Status (3)

Country Link
EP (1) EP0442880B1 (fr)
DE (1) DE58903056D1 (fr)
WO (1) WO1989010823A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202020005266U1 (de) * 2020-12-22 2022-03-28 Terry & Scott Unternehmergesellschaft (haftungsbeschränkt) Nasenhaarschneider

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE12444C (de) * DURAND, BOSSIN & BRARD in Paris Neuerungen an Rasirmessern
DE392773C (de) * 1922-09-15 1924-03-25 Gioacchino D Orio Rollenrasier- und Haarschneidegeraet mit Abziehvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE13886C (de) * Durand, Bossin und j BRARD in Paris Neuerung an Rasirmessern. (I. 1
BE486303A (fr) * 1947-12-17
US2766521A (en) * 1952-08-28 1956-10-16 Benvenuti Giulio Razor with skin stretching means
DE1553829A1 (de) * 1966-12-02 1970-08-27 Tondeo Werk Noss A Rasier- und Haarschneidegeraet in einer einem ueblichen Rasiermesser aehnlichen Form und fuer dieses Geraet geeignetes Schneidelement

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE12444C (de) * DURAND, BOSSIN & BRARD in Paris Neuerungen an Rasirmessern
DE392773C (de) * 1922-09-15 1924-03-25 Gioacchino D Orio Rollenrasier- und Haarschneidegeraet mit Abziehvorrichtung

Also Published As

Publication number Publication date
EP0442880A1 (fr) 1991-08-28
DE58903056D1 (de) 1993-01-28
WO1989010823A1 (fr) 1989-11-16

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