EP0611634B1 - Couteau à usages multiples - Google Patents

Couteau à usages multiples Download PDF

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Publication number
EP0611634B1
EP0611634B1 EP94102171A EP94102171A EP0611634B1 EP 0611634 B1 EP0611634 B1 EP 0611634B1 EP 94102171 A EP94102171 A EP 94102171A EP 94102171 A EP94102171 A EP 94102171A EP 0611634 B1 EP0611634 B1 EP 0611634B1
Authority
EP
European Patent Office
Prior art keywords
blade
grip part
cover
teeth
slide
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
EP94102171A
Other languages
German (de)
English (en)
Other versions
EP0611634A1 (fr
Inventor
Klemens Degen
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.)
Wolfcraft GmbH
Original Assignee
Wolfcraft 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 Wolfcraft GmbH filed Critical Wolfcraft GmbH
Publication of EP0611634A1 publication Critical patent/EP0611634A1/fr
Application granted granted Critical
Publication of EP0611634B1 publication Critical patent/EP0611634B1/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
    • B26B5/00—Hand knives with one or more detachable blades
    • B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use
    • B26B5/003—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use comprising retraction means for the blade or the blade holder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B5/00—Hand knives with one or more detachable blades
    • B26B5/001—Hand knives with one or more detachable blades with blades being slid out of handle immediately prior to use

Definitions

  • the invention relates to a multi-purpose knife in the form of an elongated handle, from the two ends of which a blade can be extended, which are each carried by movable blade holders, which can be locked in their inwardly pushed basic position.
  • Such multi-purpose knives can be equipped at one end with a trapezoidal blade and at the other end with a hook blade, so that, depending on the cutting work to be carried out, a suitable blade is available without having to change the blade.
  • a generic multi-purpose knife is known in which the two blade holders are penetrated by a locking pin graduated in diameter, which can be pressed by hand against the force of a return spring into a release position, after which, by means of a spinning movement carried out by hand, either one or the other blade holder together with the blade is extended into a working position. After releasing the locking pin, it then secures the extended blade holder in its extended position Position and the blade holder not ejected in its inserted basic position.
  • the invention has for its object to provide a generic multi-purpose knife, in which it is ensured that only one of the blades can be moved out of the handle, so as to reliably rule out the risk of injury described.
  • an actuating slide engages between the two blade holders, with which one or the other blade holder can be moved outwards against the force of a return spring, and in that the Operating slide in the direction of movement between two manually operable interchangeable stops, of which only one is always movable in the release position.
  • the respective blade holder to be extended is advanced by means of the actuating slide.
  • this slide in the invention is bordered between interchangeable stops which hold the actuating slide in its two Lock directions of movement. Only when one of the stops is brought out of its stop position can the actuating slide be moved in this direction.
  • the two interchangeable stops are connected to one another in such a way that they can only be brought out alternately from their stop position, that is, one stop always remains in the stop position.
  • the change stops are arranged at the ends of a rocker. By turning the rocker, one stop can thus be released, while the other is inevitably pivoted even deeper into its stop position.
  • the actuating slide consists of a sliding foot guided in the knife and engaging on the blade holders and of a handle part which can be pressed into the sliding foot against the force of a return spring, that the handle part in the basic position with a toothing in a Knife body engages trained row of teeth and only in the depressed position, in which its toothing is disengaged from the row of teeth, is displaceable and, when released, to lock its respective feed position, it comes back into engagement with the row of teeth with its toothing.
  • This design makes handling the multi-purpose knife very easy. Extending positions for the blade of different widths can be selected, each of which is automatically locked by the interlocking teeth after the actuating slide has been released.
  • the multi-purpose knife is mirror-symmetrical to its transverse central plane and has a housing designed as a handle, which consists of a base body 1, a cover 2 and two locking slides 3, 4.
  • the shell-shaped base body has a C-profile at its end sections 5, 6, cf. 7 and 8, and between these sections 5, 6 a recess 7 for receiving the cover 2.
  • the locking slides 3, 4 are inserted in a manner known per se, each of which has a latching lug 9 on a tongue 8 which can be pressed down and which engages in latching receptacles 10 formed on the inside of the cover 2, cf. 15.
  • the cover 2 is fastened to the base body 1 by means of a screw 11. For a blade change, only the slide 3 or 4 are removed.
  • the cover 2 On its upper narrow side, the cover 2 is provided with a corner recess 12 and the base body 1 with a corner recess 13, which are of the same depth and together form a guide slot for the handle part 14 of an actuating slide 15.
  • the grip part 14 has a leg 16 directed downwards, cf. 11 and 12, a toothing 17 which, in the position according to FIGS. 3 and 4, engages in a row of teeth 18 which is formed below the corner recess 13 on the base body 1 and extends over the entire length of the corner recess 13.
  • the teeth of the row of teeth 18, as can be seen in particular from FIG. 3, are directed towards the cover 2.
  • the actuating slide 15 further comprises a sliding foot 19 which is guided in the groove 20 of the base body 1.
  • a return spring 22 is arranged in a stepped recess 21 in the sliding foot 19, cf. 9 and 10.
  • the grip part 14 is seated on the return spring 22 with a shoulder surface and projects into the return spring 22 with an extension 23.
  • the grip part 14 can be pressed against the restoring force of the restoring spring 22 until its upper plate 24, which is provided with corrugation, strikes the row of teeth 18 or the base of the corner recess 12 on the cover side. In this depressed position, the toothing 17 of the handle part 14 is out of engagement with the row of teeth 18, so that the slide can be moved from one position or the other, shown in FIG. 4, to one side or the other, and when the handle part 14 is released again locked on the teeth row 18.
  • a manually operated rocker 37 is pivotally mounted on the cover 2 about an axis 38, which is directed perpendicular to the direction of displacement of the actuating slide.
  • the rocker 37 has at its ends interchangeable stops 39, 40, which in the basic position according to FIG.
  • FIG. 13 and 14 show a modified embodiment of a rocker 42 having the change stops 39, 40.
  • actuating knobs 43, 44 are provided on the rocker 42 in each case opposite the change stops 39, 40.
  • the rocker 42 is pivotally mounted on the cover 2 (cf. FIG. 15) about the axis 45 and lies in an elongated hole 46 of the cover. In the basic position, both crests 43, 44 protrude somewhat from the outside of the lid. By pressing one of the crests 43 or 44, the diagonally opposite stop 40 or 39 in Release position pivoted.
  • the rocker 42 is provided with clamping knobs 47, which must be pushed over the edges of the elongated hole 16 when the rocker is adjusted and thus secure the respective position of the rocker 42.
  • the multi-purpose knife according to the invention is equipped with a magazine for storage blades.
  • This magazine is formed by a magazine cover 48 screwed onto the uninterrupted outside of the base body 1, which covers a magazine space sufficient to accommodate at least two storage blades 49, 50 arranged one behind the other in the longitudinal direction.
  • the magazine cover 48 is bordered on its longitudinal edges between two raised border edges 51, 52 of the base body 1.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)

Claims (8)

  1. Couteau multifonction réalisé sous la forme d'une poignée oblongue, aux deux extrémités de laquelle est susceptible de venir se placer, au choix de l'utilisateur, une lame (29, 30), chacune des lames étant supportées par un porte-lames (27, 28) coulissant de façon intrinsèque en lui-même, et les lames étant susceptibles d'être bloquées dans leur position de base coulissées vers l'intérieur, caractérisé en ce qu'est engage entre les des porte-lames (27, 28) un coulisseau d'actionnement (15), par l'intermédiaire duquel chacun parmi l'un ou l'autre porte-lames (27, 28) est susceptible d'être déplacé vers l'extérieur à l'encontre de la force de réaction d'un ressort de rappel (31), et en ce que le coulisseau d'actionnement (15), dans sa position de base dans la direction de déplacement, est emprisonné entre deux moyens de butée alternés (39, 40), susceptibles d'être actionnés à la main, dont seulement l'un d'entre eux à la fois, est susceptible d'être déplacé en position de libération.
  2. Couteau multifonction selon la revendication 1, caractérisé en ce que les moyens de butée alternés (39, 40) sont disposés aux extrémités d'une bascule (37).
  3. Couteau multifonction selon la revendication 1 ou 2, caractérisé en ce que le coulisseau d'actionnement (15) se compose d'un pied de coulisseau (19), guidé dans le couteau et d'une pièce d'actionnement (14) susceptible d'être repoussée à l'intérieur dans le pied de coulisseau (15), à l'encontre de la force de reaction d'un ressort de rappel (22), en ce que la pièce d'actionnement (14), en position de base, engrène par une denture (17) avec une rangée de dents (18) prévue sur le corps de base (1) du couteau et n'est susceptible de coulisser que dans la position repoussée vers le bas, dans laquelle sa denture (17) est placée hors de l'engrènement avec la rangée de dents (18), et dans laquelle après libération, pour obtenir le blocage de sa position correspondante d'avance, elle se trouve à nouveau en situation d'engrènement par sa denture (17) avec la rangée de dents (18).
  4. Couteau multifonction selon la revendication 3, caractérisé en ce que la pièce d'accrochage (14) vient en contact d'accrochage par son extrémité inférieure, chaque fois avec l'un des crochets (34, 35) dans l'une des cavités de réception de crochets (36) des deux porte-lames (27, 28) se trouvant des la position de base, et en ce que les crochets (34, 35), lorsque la pièce d'actionnement (14) est repoussée vers le bas cessent d'être en contact d'actionnement avec les porte-lames (27, 28), et en ce que, après l'avance de l'un (27) des porte-lames et la libération de la pièce d'actionnement (14), celle-ci s'accroche à nouveau au porte-lames (27) avancé en position de sortie.
  5. Couteau multifonction selon l'une des revendications 1 à 4, caractérisé en ce que le ressort de rappel (31) du porte-lames est précontraint entre les deux porte-lames (27, 28).
  6. Couteau multifonction selon l'une des revendications 3 à 5, caractérisé en ce que le boîtier de couteau se compose d'un corps de base (1) en forme de coquille, d'un couvercle médian (2) et de deux coulisseaux (3, 4) de fermeture du côté des extrémités, en ce que les dents de la rangée de dents (18) sont dirigées vers l'extérieur par rapport au couvercle (2), une rainure de guidage pour la pièce d'actionnement (14) du coulisseau d'actionnement (15) étant prévue entre le corps de base (1) et le couvercle (2), et en ce que la bascule (37) est montée pivotante sur le couvercle (2).
  7. Couteau multifonction selon la revendication 6, caractérisé en ce que, sur la face extérieure du corps de base (1) est fixé un couvercle de magasin amovible (48), s'étendant sur la plus grande partie de la longueur de la poignée, et qui recouvre une chambre de magasin suffisante pour recevoir au moins deux lames de réserve (49, 50) disposées l'une derrière l'autre dans le sens de la longueur.
  8. Couteau multifonction selon la revendication 7, caractérisé en ce que le couvercle de magasins (48) est monté sur ses faces longues entre deux bords d'insertion (51, 52) en saillie, du corps de base (1).
EP94102171A 1993-02-13 1994-02-11 Couteau à usages multiples Expired - Lifetime EP0611634B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4304742 1993-02-13
DE4304742A DE4304742A1 (de) 1993-02-13 1993-02-13 Mehrzweckmesser

Publications (2)

Publication Number Publication Date
EP0611634A1 EP0611634A1 (fr) 1994-08-24
EP0611634B1 true EP0611634B1 (fr) 1996-10-16

Family

ID=6480639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94102171A Expired - Lifetime EP0611634B1 (fr) 1993-02-13 1994-02-11 Couteau à usages multiples

Country Status (3)

Country Link
EP (1) EP0611634B1 (fr)
AT (1) ATE144176T1 (fr)
DE (2) DE4304742A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148522A (en) * 1996-10-18 2000-11-21 Dobandi; Frank Dual-blade utility knife
DE19717830A1 (de) 1997-04-26 1998-10-29 Wolfcraft Gmbh Mehrzweckmesser
US7434317B2 (en) * 2004-09-23 2008-10-14 Irwin Industrial Tool Company Slide assembly device for a snap-off blade utility knife
GB0603908D0 (en) * 2006-02-28 2006-04-05 W A I Designs Ltd Knife
US8006388B1 (en) * 2008-01-04 2011-08-30 Dejesus Thomas Combination retractable knife and saw utility tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006968A1 (de) * 1980-02-25 1981-09-10 Dieter Dipl.-Ing. 7121 Ingersheim Wolff Geraet zum schneiden von flachen boden- oder wandbelaegen
US4517741A (en) * 1982-05-19 1985-05-21 Castelluzzo James M Knife with plural replaceable blade storage and means for single blade extension
DE3735294A1 (de) * 1987-10-17 1989-04-27 Rudi Teihs Sicherheits-industrieklingenhalter
GB2213416B (en) * 1987-12-11 1991-12-18 Stanley Works Ltd Blade-carriers for retractable-blade knives
US5093994A (en) * 1990-09-20 1992-03-10 Christine Bringman Double ended-retractable knife
US5230152A (en) * 1991-12-04 1993-07-27 Kennedy Michael J Dual blade utility knife

Also Published As

Publication number Publication date
ATE144176T1 (de) 1996-11-15
EP0611634A1 (fr) 1994-08-24
DE4304742A1 (de) 1994-08-18
DE59400841D1 (de) 1996-11-21

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