EP0930959B1 - Ciseaux - Google Patents

Ciseaux Download PDF

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Publication number
EP0930959B1
EP0930959B1 EP98943769A EP98943769A EP0930959B1 EP 0930959 B1 EP0930959 B1 EP 0930959B1 EP 98943769 A EP98943769 A EP 98943769A EP 98943769 A EP98943769 A EP 98943769A EP 0930959 B1 EP0930959 B1 EP 0930959B1
Authority
EP
European Patent Office
Prior art keywords
arm
scissors
oscillation device
pair
shank
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
EP98943769A
Other languages
German (de)
English (en)
Other versions
EP0930959A1 (fr
Inventor
Detlef Mattinger
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.)
Procter and Gamble Deutschland GmbH
Original Assignee
Wella 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 Wella GmbH filed Critical Wella GmbH
Publication of EP0930959A1 publication Critical patent/EP0930959A1/fr
Application granted granted Critical
Publication of EP0930959B1 publication Critical patent/EP0930959B1/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
    • B26B15/00—Hand-held shears with motor-driven blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00—Hand shears; Scissors
    • B26B13/22—Hand shears; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument
    • B26B13/24—Hand shears; Scissors combined with auxiliary implements, e.g. with cigar cutter, with manicure instrument to aid hair cutting

Definitions

  • the invention relates to a pair of scissors with one another via a joint connected Beck's, especially hairdressing scissors.
  • US-A-3 666 975 publishes a pair of scissors according to the preamble of claim 1.
  • JP-A-2031788 publishes a pair of scissors according to the preamble of claim 2.
  • Known scissors work on the principle of two cutting edges, which move around a common, fixed pivot point.
  • the cutting edges slide on each other in such a way that they touch at one point (cutting point).
  • the cutting point moves from the direction of the common pivot point of the scissors towards the tip of the scissors.
  • This also changes the opening angle of the scissors, i.e. the angle of the cutting edges running towards each other.
  • Thread-like clippings e.g. B. hair, slides depending on the opening angle, sharpness, etc. more or less long before the actual cutting point until it is cut, held and then separated.
  • the invention is based on the object, thread-like clippings, especially hair, even over its circumference and cross-section without To cut squeeze and tear zones.
  • At least one Beck of the scissors is electric by means of a operated vibration device in a vibration parallel to Movable in the longitudinal direction of this pool.
  • the invention has the advantage that thread-like clippings, in particular Hair, evenly over its circumference and cross section without squeezing and Tear zones can be cut. With the scissors according to the invention rolls and glides the hair between the blades when it is cut. It is cut reliably and evenly. When closing the Scissors axially guide the additional at least one cutting edge oscillating motion component to this improved cutting property.
  • Vibration device contains a piezo transducer, which between the Blade and a handle-side cymbal lies, and the one connection between the sheet and the end of the pelvis.
  • the oscillating movement is determined by the frequency and the amplitude with which the Piezo sensor swings.
  • the oscillating movement should be carried out at such a high frequency. that within normal use of scissors in the cutting process, the hair rolls over its circumference at least once on the cutting edges.
  • the vibration amplitude depends on the hair size. Approx. 100 to 200 ⁇ m can be set for the amplitude (claim 6). If both cutting edges vibrate simultaneously and are out of phase with each other, half the amplitude is sufficient. A system with adjustable amplitude and frequency for different clippings is possible.
  • the piezo sensor can be operated with an ultrasonic frequency. It is integrated in at least one cutting edge. Analogous to an ultrasonic cleaning or welding sonotrode, the longitudinal shaft is transferred to the cutting edge.
  • the ultimately mechanical vibration generator can be arranged on the cutting side or straw side of the scissors. A corresponding mechanical play in the bearing point should be noted on the straw side. The latter also applies to other vibration devices on the stalk.
  • the system is controlled electrically by an ultrasonic generator, which is coupled to the electromechanical transducer via electrical connecting lines.
  • the vibration device can also be designed such that the Beck at least in regions made of a magnetostrictive material exists, which is wrapped by a rigid, stationary excitation coil (Claim 4).
  • the scissor blades are on a basic body applied from magnetostrictive material.
  • the excitation coils can be found in the stalk area of the scissors be arranged. Via an electrical connection line Excitation coil connected to a generator.
  • Nickel or a nickel alloy is suitable as material (claim 6).
  • nickel has the required magnetostrictive properties
  • nickel steel is very well suited for the manufacture of scissors.
  • the material can have a plastic coating have (claim 5).
  • FIG. 1 In the case of scissors 1 with two connected to one another via a joint 2 Beck 3, 4 is a Beck 4 by means of an electrically operated vibration device 5 into an oscillation parallel to the longitudinal direction 6 of the blade 7 this Beck 4 displaceable ( Figure 1).
  • the vibration device 5 contains a piezo sensor 8, which lies between the blade 7 and the joint 2.
  • the Piezegeggeber 8 is a connection 9, the blade 7 and the handle side Pool end 10 of the pool 4 connects together.
  • the scissors 1 is as Hairdressing scissors 11 designed with eyes 12.
  • An electrical line 13 supplies the piezo sensor 8 with an ultrasound frequency.
  • During one Cutting process is the vibration of the blade 7, its amplitude 150 ⁇ m is used to cut hair better.
  • the vibration device 5 is a Nail 14 of the joint 2 surrounding eccentric 15 provided inserted into a round recess 16 of the basin 4 and rotatable with the Nail 14 is connected.
  • the eccentric disc 15 rotates around the nail 14. This rotational movement is achieved by means of a miniature motor 17.
  • the entire Beck 4 carries out the vibration.
  • a magnetostrictive material 18 is provided as the vibration device 5, which is wrapped by a rigid, stationary excitation coil 19.
  • the vibration device 5 is provided on the stem 20 of the basin 4.
  • a magnetostrictive material 18 has been used only within the excitation coil 19. Otherwise, the scissors 1 are made of conventional scissor steel 22.
  • the material 18 is a nickel alloy 23.
  • the basin 4 has a play 24 in the longitudinal direction 6 of the basin 4 on the nail 14.
  • the game 24 has an extension of 150 ⁇ m in the longitudinal direction 6 corresponding to the amplitude of the vibration of the blade 7.

Landscapes

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

Claims (7)

  1. Ciseaux comportant deux branches reliées entre elles par une articulation, une branche (4) au moins étant déplaçable, au moyen d'un dispositif à oscillations (5) fonctionnant électriquement, en une oscillation, parallèlement à la direction longitudinale (6) de la lame (7) de cette branche (4), le dispositif à oscillations (5) contenant un piézo-capteur de distance (8) ou une matière magnétostrictive (18), enroulée par une bobine d'excitation (19) rigide et stationnaire, et le dispositif à oscillations (5) se situant entre la lame (7) et une extrémité (10) de la branche côté poignée, caractérisés en ce que le dispositif à oscillations (5) est une liaison (9) intégrée à la branche (4), entre la lame (7) et l'extrémité (10) de la branche.
  2. Ciseaux comportant deux branches reliées entre elles par une articulation, une branche (4) au moins étant déplaçable, au moyen d'un dispositif à oscillations (5) fonctionnant électriquement, en une oscillation, parallèlement à la direction longitudinale (6) de la lame (7) de cette branche (4), caractérisés en ce qu'il est prévu comme dispositif à oscillations (5) un disque excentrique (15) qui entoure le pivot (14) de l'articulation (2), en ce que le disque excentrique (15) est inséré dans une découpe (16) circulaire de la branche (4) et est relié au pivot (14) de manière à pouvoir tourner, et en ce qu'il est prévu un micro-moteur (17) pour la rotation du disque excentrique (15) autour du pivot (14).
  3. Ciseaux selon la revendication 2, caractérisés en ce que le dispositif à oscillations (5) est prévu sur la tige (20) de la branche (4) et en ce que la branche (4) présente, sur le pivot (14), un jeu (23) dans la direction longitudinale (6) de la branche (4).
  4. Ciseaux selon la revendication 1, caractérisés en ce que du nickel ou un alliage de nickel (22) est prévu comme matière (18) pour le piézo-capteur de distance (8).
  5. Ciseaux selon la revendication 4, caractérisés en ce que la matière comporte un revêtement de matière plastique.
  6. Ciseaux selon l'une au moins des revendications 1 à 5, caractérisés en ce que 100 à 200 µm sont prévus comme amplitude du dispositif à oscillations (5).
  7. Ciseaux selon l'une au moins des revendications 1 à 6, caractérisés en ce qu'un dispositif à oscillations est prévu sur chacune des deux branches.
EP98943769A 1997-08-09 1998-07-22 Ciseaux Expired - Lifetime EP0930959B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19734605 1997-08-09
DE19734605A DE19734605A1 (de) 1997-08-09 1997-08-09 Schere
PCT/EP1998/004609 WO1999007528A1 (fr) 1997-08-09 1998-07-22 Ciseaux

Publications (2)

Publication Number Publication Date
EP0930959A1 EP0930959A1 (fr) 1999-07-28
EP0930959B1 true EP0930959B1 (fr) 2000-12-13

Family

ID=7838528

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98943769A Expired - Lifetime EP0930959B1 (fr) 1997-08-09 1998-07-22 Ciseaux

Country Status (11)

Country Link
US (2) US6357121B1 (fr)
EP (1) EP0930959B1 (fr)
JP (1) JP2001501859A (fr)
CN (1) CN1229378A (fr)
AT (1) ATE198062T1 (fr)
AU (1) AU9155898A (fr)
BR (1) BR9806089A (fr)
DE (2) DE19734605A1 (fr)
ES (1) ES2154940T3 (fr)
RU (1) RU2167049C2 (fr)
WO (1) WO1999007528A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002172280A (ja) * 2000-09-28 2002-06-18 Kikuboshi:Kk 毛髪切断装置
JP2008516662A (ja) * 2004-10-18 2008-05-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ はさみ及びはさみの駆動装置
US9027250B2 (en) 2012-01-18 2015-05-12 Jerry Randall Greer Protective riser guide for scissors
WO2015195130A1 (fr) * 2014-06-19 2015-12-23 Greer Jerry Randall Guide à arête de protection pour ciseaux
US20160175150A1 (en) * 2014-12-18 2016-06-23 Surgical Design Corporation Ultrasonic handpiece with multiple drivers
WO2019190361A1 (fr) * 2018-03-28 2019-10-03 Bakhit Maram Dispositif de sécurité pour outils chauds et tranchants
CA3204754A1 (fr) * 2020-08-11 2022-02-17 Mikhail Andreevich NOVIKOV Ciseaux pour decoupe pres de coutures

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1806555A (en) * 1931-05-19 gonsett
US1129684A (en) * 1914-04-04 1915-02-23 Washington Irving Jones Mechanically-operated scissors.
US1802571A (en) * 1928-02-06 1931-04-28 Orussa Lorence Electric scissors
US2273536A (en) * 1940-05-13 1942-02-17 Gen Transformer Corp Electrical shears
US3262201A (en) * 1965-03-11 1966-07-26 W P B Ind Products Cutting device
US3421218A (en) * 1966-08-01 1969-01-14 Richard A Thompson Electric scissors
US3474534A (en) * 1967-07-05 1969-10-28 Arvin Ind Inc Scissors blades
US3602988A (en) * 1969-11-19 1971-09-07 Arvin Ind Inc Electric scissors blades
US3666975A (en) * 1970-05-18 1972-05-30 Ultrasonic Systems Ultrasonic motors
US3934526A (en) * 1974-12-12 1976-01-27 Cavitron Corporation Ultrasonic cutting apparatus
JPH0231788A (ja) * 1988-07-22 1990-02-01 Suzuki Motor Co Ltd 超音波切断装置
US5695510A (en) * 1992-02-20 1997-12-09 Hood; Larry L. Ultrasonic knife
JPH079389A (ja) * 1993-06-25 1995-01-13 Matetsuku Matsuzaki:Kk 超音波装置を併用して使用する刃体
US5800448A (en) * 1996-07-24 1998-09-01 Surgical Design Corporation Ultrasonic surgical instrument

Also Published As

Publication number Publication date
ATE198062T1 (de) 2000-12-15
AU9155898A (en) 1999-03-01
US6357121B1 (en) 2002-03-19
DE19734605A1 (de) 1999-02-11
BR9806089A (pt) 1999-08-24
CN1229378A (zh) 1999-09-22
ES2154940T3 (es) 2001-04-16
RU2167049C2 (ru) 2001-05-20
JP2001501859A (ja) 2001-02-13
EP0930959A1 (fr) 1999-07-28
WO1999007528A1 (fr) 1999-02-18
DE59800385D1 (de) 2001-01-18
US20020083594A1 (en) 2002-07-04

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