EP0250950B1 - Couteau - Google Patents

Couteau Download PDF

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Publication number
EP0250950B1
EP0250950B1 EP87108322A EP87108322A EP0250950B1 EP 0250950 B1 EP0250950 B1 EP 0250950B1 EP 87108322 A EP87108322 A EP 87108322A EP 87108322 A EP87108322 A EP 87108322A EP 0250950 B1 EP0250950 B1 EP 0250950B1
Authority
EP
European Patent Office
Prior art keywords
knife
knife blade
sliding member
handle
handle body
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
EP87108322A
Other languages
German (de)
English (en)
Other versions
EP0250950A1 (fr
Inventor
Heinz-Peter Knoop
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.)
Martor Argentax EH Beermann KG
Original Assignee
Martor Argentax EH Beermann KG
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 Martor Argentax EH Beermann KG filed Critical Martor Argentax EH Beermann KG
Priority to AT87108322T priority Critical patent/ATE63254T1/de
Publication of EP0250950A1 publication Critical patent/EP0250950A1/fr
Application granted granted Critical
Publication of EP0250950B1 publication Critical patent/EP0250950B1/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

Definitions

  • the invention relates to a knife as has become known according to the preamble of claim 1 by US-A-2 640 260.
  • the knife blade made of steel strip is guided on the inner surfaces of a hollow handle body formed from a sheet metal blank.
  • a spring-loaded, approximately bolt-like slide transverse to the wide surface of the knife blade, penetrates the knife blade interchangeably in a bore and the handle body in a slide longitudinal slot penetrating its entire handle body thickness.
  • the bolt-like slide forms an actuating handle only at one end. Therefore, the respective embodiment can be used ergonomically either only for right-handers or only for left-handers.
  • a knife with an essentially hollow handle body and a longitudinally guided knife blade which is not separable from the guide elements and therefore cannot be replaced.
  • the knife blade is a rear guide block that fills almost the entire clear cross-section of the hollow handle body and guides it on its inner surfaces is formed in one piece.
  • a relatively narrow actuation projection is molded onto the guide block.
  • Each actuation approach passes through the adjacent side wall of the handle body in a longitudinal slot. Because of the actuation approaches on both broad sides of the handle, the movable knife blade of the known knife is equally easy to use for right-handers and left-handers.
  • the slide part has an actuating handle on both broad sides of the handle body. This has made it possible, particularly in the case of safety knives whose blade is continuously spring-loaded in the direction of retraction, for the thumb to operate the actuating handle even when cutting overhead. Of course, this is equipped according to the invention Knives equally suitable for both right-handed and left-handed users.
  • Both actuating handles lead at least one longitudinal guide bar between them and also releasably hold the knife blade between them, which is only guided indirectly via the slide part on the guide bar.
  • FIG. 1 is a view of the broad side of a knife
  • FIG. 2 shows a plan view of the upper narrow side of the knife in accordance with the view arrow indicated by II in FIG. 1, the handle halves being partially cut away;
  • an easily detachably locked slide knife holding blade blade is completely visible, which at the same time forms a slide actuating handle; an operating handle is also visible on the other broad side of the handle body; the knife blade shown is in the cutting position (as in FIG. 1);
  • 3 is a plan view based on the illustration of FIG.
  • FIG. 2 shows an inside view of the right and below an inside view of the left handle shell longitudinal half according to FIGS. 1 to 3.
  • Fig. 6 is an exploded view of the inner part of the movable knife components.
  • Each knife has a substantially hollow handle body 11, which consists of two handle halves 12 l (left handle half) and 12 r (right handle half).
  • each broad side of the handle body 11 that is to say on the left broad side B l and on the right broad side B r, there is a slide longitudinal slot 13 which covers the entire length of the handle body 11, ie from the left broad side B l to the right broad side B r , enforced.
  • the slide longitudinal slot 13 is divided into two longitudinal slot halves, namely in the left longitudinal slot half H l , and in the right longitudinal slot half H r , as can be seen in particular from FIGS. 4 and 5.
  • the width b of the left longitudinal slot half H 1 is slightly larger than the width of the knife blade 14 with cutting edge 15, which in the present case represents a trapezoidal blade.
  • the otherwise not visible right handle longitudinal half 12 r in FIG. 1 forms two knife blade guide tracks 16 which are located at a parallel distance from one another, but on which the knife blade 14 is not guided directly but longitudinally displaceably parallel to the longitudinal axis x of the handle body by means of a slide designated as a whole is.
  • the knife blade guideways 16, which form guide strips for the slide 17, are described in more detail below.
  • the knife blade 14 is in its cutting position, i.e. the slider 17 is entirely moved forward to the cutting side labeled S, with a slider cover 18, which is approximately V-shaped in the front view, abuts a correspondingly designed stop A of the left slider longitudinal slot half H 1.
  • the removal of the knife blade 14 in its retracted rest position according to FIG. 3 takes place as follows: First, the knife blade 14 is held releasably locked in its advanced cutting position within the slide 17, as shown in FIGS. 1 and 2. The releasable locking takes place via snap locking means 21, which are shown in broken lines in FIG. 2.
  • the knife blade 14 is located together with the slider 17 in the retracted rest position according to FIG. 3. Since the slider cover 18 or the left actuating handle G 1 is over a Film hinge 22 on a bracket part 23 and this in turn is held on a slide slide plate 26, the slide cover 18 can be released in the pivoting direction u from the connection of the snap locking means 21. Thus, the knife blade 14 can be taken out through the wide left slide longitudinal slot half H 1 and exchanged for a new knife blade 14.
  • the articulation axis a of the film hinge 22 extends parallel to the transverse axis y of the handle body 11.
  • the slide 17 expediently represents an injection molded part made of suitable plastic, which also enables the film hinge 22.
  • the two handle halves 12 l and 12 r can optionally represent plastic injection molded parts or metal die cast parts.
  • the construction of the slide 17 can best be explained on the basis of FIGS. 1-3 with reference to FIGS. 4-6. From Fig. 1-3 it is clear that the slider longitudinal slot 13 passes through the entire thickness of the handle body 11 transversely and that the slider longitudinal slot 13 in turn penetrating slider 17 has such a transverse extent that it is on the left broadside of the handle body B l forms a left actuation handle G l and a right actuation handle G r on the right side of the handle body B r .
  • the two actuating handles G l and G r are arranged mirror-symmetrically to one another with respect to a plane that extends essentially parallel to the plane of the knife blade 14.
  • a special feature of the slide 17 and the guide arrangement on the handle body side is that the handle body 11, namely the right handle shell longitudinal half 12 r , has an inside guide rail 16 on both sides of its longitudinal slot half H r , ie on its upper and on its lower longitudinal side forms (see Fig. 4 and 5 there each upper representation).
  • the slide part 17 is now divided approximately in one plane between these two guide strips 16, the two slide part regions thus formed, which are each assigned to the actuating handles G l and G r , being detachably or firmly connected to one another.
  • the slide part area with the actuating handle G l is provided with the slide slide plate 26.
  • the slide-sliding plate 26 has two edge-like strip-shaped sliding areas 27 parallel to the plane of the knife blade 14, only one of which can be seen from FIG. 6.
  • the two sliding areas 27 are intended to rest on their parallel strip surfaces 28 of the guide strips 16 (see FIG. 4, upper illustration).
  • the slide sliding plate 26 forms a guide projection 29, which has a lower and upper guide surface 30 running transversely to the plane of the knife blade 14 (only the upper guide surface 30 can be seen from FIG. 6) on a parallel inner one Last area 31 is applied.
  • the slide slide plate 26 forms a receptacle 32 for the knife blade 14 on its broad side facing away from the guide projection 29.
  • the slide slide plate 26 also has one adjacent to its knife blade receptacle 32 Approach 33, which carries male-shaped locking pins 34 which engage in undercut locking holes of the holding bracket 23 (not designated in more detail) in a snap-locking manner.
  • the guide projection 29 has male-shaped locking pins 35 directed towards the right broad body side B r .
  • the locking pins 35 cooperate with latching holes 36 within the right actuating handle G r in a snap-locking manner.
  • the right actuating handle G r in turn can form two edge-like strip-shaped sliding areas 37 (only one sliding area 37 can be seen from FIG. 6) parallel to the plane of the knife blade 14, which abut on the other strip side faces 38 parallel to them, which from FIG. 5 (upper illustration) can be seen.
  • FIGS. 1, 2 and 6 it can also be seen that at the rear end of the slide part 17 facing away from the cutting side S (and detachably within the locking gap between 33 and 34 on a pin not shown in FIG. 6) the front one End 39 of the tension spring 19 is attached.
  • the rear end 40 of the tension spring 19 is fastened within a partially roller-shaped plug body 41, specifically by means of a cross pin 42 shown in dashed lines (FIG. 6).
  • the partially roller-shaped plug-in body 41 passes through both longitudinal handle shells 12 l and 12 r in an adapted to its outer contour handle body side transverse opening 43 with a press fit.
  • the partially roller-shaped plug-in body 41 forms an extension 45 which delimits the left slide longitudinal slot half H 1 rearward on the left broad side B 1 of the grip body.
  • the extension 45 is axially penetrated by a receiving channel 46 for the tension spring 19 which extends parallel to the longitudinal axis x of the grip body.
  • the extension 45 in turn sits snugly in a receiving slot 47 (the handle shell longitudinal half 12 l ), which represents a narrowed continuation of the longitudinal slot half H l .
  • the two actuating handles G l , G r are arranged in the foremost area (at S) of the handle body 11 and form two handle recesses 48 rising towards the cutting side S.
  • All slide-side snap-lock points - with the exception of the snap-lock point 21 - can also be made non-detachable (e.g. glued) during assembly.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Dry Shavers And Clippers (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Claims (13)

  1. Cutter (10) comportant un corps (11) pour l'essentiel creux formant le manche, une lame (14) de cutter guidée dans ledit corps pour coulisser dans le sens de la longueur le long d'un chemin (16) de guidage, ainsi qu'avec une partie (17) formant poussoir qui est couplée de manière dissociable et peut coulisser avec la lame (14) du cutter dans le sens longitudinal en étant guidée côté corps formant manche dans une fente (13) longitudinale afférente traverse de part en part la totalité de l'épaisseur du corps formant le manche,
    caractérisé par le fait que la partie (17) formant poussoir présente de chacun des deux côtés larges (Bl, Br) une prise (Gl , Gr) de manipulation, que les deux prises (Gl, Gr) reprennent entre elles au moins un listel (16) de guidage qui s'étend parallèlement à l'axe longitudinal (x) du corps formant le manche, est prévu sur le corps (11) formant le manche et forme le chemin de Guidage, et que la lame (14) du cutter n'est guidée qu'indirectement, par l'intermédiaire de la partie (17) formant poussoir, sur le listel (16) de guidage.
  2. Cutter suivant la revendication 1,
    caractérisé par le fait que, par rapport à un plan s'étendant pour l'essentiel dans le plan de la lame de cutter (dans 14) ou parallèlement audit plan, les deux prises (Gl, Gr) de manipulation sont agencées et façonnées de manière énantiomorphe.
  3. Cutter suivant la revendication 1,
    caractérisé par le fait que le corps (11) formant le manche forme sur les deux côtés longitudinaux de la fente (13) longitudinale pour le poussoir, à l'intérieur de la cavité creuse du cutter, sur chacun des deux côtés longs de la fente longitudinale un listel (16) de guidage, que la partie (17) formant poussoir est partagée dans un plan situé à peu près entre les deux listels (16) de guidage, et que les deux zones de partie le poussoir ainsi constituées (au niveau de Gl et de Gr), qui présentent chacune une prise (Gl, Gr) de manipulation, sont reliées l'une à l'autre.
  4. Cutter suivant l'une des revendications 1 à 3,
    caractérisé par le fait que les deux zones (au niveau de Gl et de Gr) de la partie formant poussoir sont reliées l'une à l'autre d'une manière dissociable ou solidaire.
  5. Cutter suivant la revendication 4,
    caractérisé par le fait que les deux zones (au niveai de Gl et de Gr) de la partie formant poussoir sont reliées l'une à l'autre d'une manière dissociable par l'intermédiaire de moyens (35, 36) de crantage à déclic.
  6. Cutter suivant l'une des revendications 3 à 5,
    caractérisé par le fait qu'une zone (au niveau de Gl) de la partie formant poussoir constitue une platine (26) de glissement pour ledit poussoir, avec deux zones (27) de glissement en forme de bandes en bordure, parallèles à la lame (au niveau de 14) du cutter, pour aller épouser une face latérale (28) parallèle des listels et, à la suite des zones (27) de glissement, un épaulement (29) de guidage qui traverse de part en part l'insterstice entre les deux listels (16) de guidage parallèles situés à distance l'un de l'autre et vient épouser chaque fois par une face (30) de guidage s'étendant dans le sens transversal au plan de la lame de cutter (au niveau de 14), une face (31) parallèle intérieure de chacun des listels.
  7. Cutter suivant la revendication 6,
    caractérisé par le fait que sur son côté large orienté à l'opposé de l'épaulement (29) de guidage, la platine (26) de glissement du poussoir forme un logement (32) pour la lame (14) du cutter.
  8. Cutter suivant la revendication 7,
    caractérisé par le fait que la platine (26) de glissement du poussoir forme, au voisinage de son logement (32) pour la lame de cutter, un point de liaison ou d'articulation, tel qu'un film-charnière (22) ou similaire, avec une prise (Gl ) de manipulation.
  9. Cutter suivant la revendication 8,
    caractérisé par le fait que sur l'autre côté large (Br) du corps formant le manche, qui est orienté à l'opposé du logement (32) pour la lame de cutter, l'autre prise (Gr) de manipulation est assujettie, le cas échéant de manière dissociable, à l'épaulement (29) de guidage et épouse à son tour, par deux zones (37) de glissement en forme de bandes en bordure parallèles au plan de la lame du cutter (au niveau de 14), des faces (38) latérales des listels, parallèles auxdites zones (37) de glissement.
  10. Cutter suivant l'une des revendications 1 à 9,
    caractérisé par le fait que l'extrémité avant (39) d'un ressort (19) de traction, dont l'extrémité arrière (40) est fixée à un corps emboîtable (41) ayant au moins en partie la forme d'un rouleau qui traverse de part en part, dans une ouverture (43) transversale adaptée à ses contours extérieurs avec une tolérance d'ajustage demandant une pression, le corps (11) qui, formant le manche, se compose le cas échéant de deux moitiés longitudinales (12l , 12r) de coquille du manche, est fixée à l'extrémité arrière de la partie (17) formant poussoir qui est orientée à l'opposé du côté du tranchant (S).
  11. Cutter suivant la revendication 10,
    caractérisé par le fait que le corps emboîtable (43) en forme de rouleau constitue un prolongement (45) qui délimite la fente (13) longitudinale pour le poussoir vers l'arrière sur un côté large (Bl) du corps formant le manche, qui comble une fente (47) de réception faisant suite à la fente (13) longitudinale pour le poussoir et qui comporte un conduit (46) en forme de rigole ouverte vers l'intérieur de la cavité dans le manche du cutter pour abriter le ressort (19) de traction.
  12. Cutter suivant la revendication 11,
    caractérisé par le fait que les listels (16) de guidage sont constitués par la moitié longitudinale (12r) de coquille du manche qui est orientée à l'opposé du logement (32) prévu pour la lame du cutter.
  13. Cutter suivant l'une des revendications 1 à 12,
    caractérisé par le fait que les deux prises (Gl, Gr) de manipulation sont placées dans la zone la plus en avant (près de S) du corps (11) formant le manche et forment deux coupelles (48) de prise remontant en direction du côté du tranchant (S), lorsque la lame (14) du cutter est repoussée et sortie.
EP87108322A 1986-07-03 1987-06-11 Couteau Expired - Lifetime EP0250950B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108322T ATE63254T1 (de) 1986-07-03 1987-06-11 Messer.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3622342 1986-07-03
DE19863622342 DE3622342A1 (de) 1986-07-03 1986-07-03 Messer

Publications (2)

Publication Number Publication Date
EP0250950A1 EP0250950A1 (fr) 1988-01-07
EP0250950B1 true EP0250950B1 (fr) 1991-05-08

Family

ID=6304307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87108322A Expired - Lifetime EP0250950B1 (fr) 1986-07-03 1987-06-11 Couteau

Country Status (5)

Country Link
US (1) US4805304A (fr)
EP (1) EP0250950B1 (fr)
AT (1) ATE63254T1 (fr)
DE (2) DE3622342A1 (fr)
ES (1) ES2022836B3 (fr)

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US5495670A (en) * 1995-05-04 1996-03-05 Fiskars Inc. Utility knife
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US6233830B1 (en) * 1999-05-07 2001-05-22 General Housewares Corporation Utility knife handle
US6626925B2 (en) 2001-03-29 2003-09-30 Becton Dickinson And Company Shielded surgical scalpel
US6874188B2 (en) 2001-08-13 2005-04-05 Wampum Multi-tasking utility tool
US7237340B2 (en) * 2001-08-13 2007-07-03 Wagic, Inc. Multi-tasking utility tool
US7774941B2 (en) * 2001-08-13 2010-08-17 Wampum Llc Multi-tasking utility tool
US7346988B2 (en) * 2002-09-11 2008-03-25 Allway Tools, Inc. Soft handle non-retractable utility knife with quick release latch and method for making same
US7340836B2 (en) * 2003-07-29 2008-03-11 Accurate Concepts, Inc. Hand tool for measuring and cutting
US7172611B2 (en) * 2004-03-22 2007-02-06 Becton, Dickinson And Company Surgical scalpel assembly
US8857064B2 (en) * 2004-10-15 2014-10-14 Pacific Handy Cutter, Inc. Safety cutter apparatus
US20060080842A1 (en) * 2004-10-15 2006-04-20 Pacific Handy Cutter, Inc. Safety cutter with triple locking slider
US20060130338A1 (en) * 2004-12-17 2006-06-22 Dzubak Donald J Disposable box cutter
US7797836B2 (en) * 2005-08-02 2010-09-21 The Stanley Works Compact utility knife
US7316070B2 (en) * 2005-11-15 2008-01-08 Irwin Industrial Tool Company Self-retracting utility knife
US7930830B2 (en) * 2006-05-08 2011-04-26 Allway Tools, Inc. Scraper with sliding safety guard
US7774942B2 (en) * 2006-10-09 2010-08-17 Pacific Handy Cutter, Inc. Utility knife
US20080172883A1 (en) * 2007-01-23 2008-07-24 Accurate Concepts, Inc. Measuring, scoring and cutting tool
US8250764B2 (en) 2007-04-16 2012-08-28 Adco Industries-Technologies, L.P. Adjustable utility knife
DE102008019441A1 (de) * 2008-04-17 2009-10-22 Martor Kg Messer
US20090255129A1 (en) * 2008-04-15 2009-10-15 Donald Gringer Multifunction carton tray cutter
US9840013B2 (en) 2008-04-29 2017-12-12 Pacific Handy Cutter, Inc. Safety cutter with blade change/storage mechanism
JP5309360B2 (ja) * 2008-07-31 2013-10-09 三菱電機株式会社 半導体装置およびその製造方法
US20100117262A1 (en) * 2008-11-13 2010-05-13 Donald Gringer Method of dual molding products with logos and other indicia
US20100223793A1 (en) * 2009-03-04 2010-09-09 The Stanley Works Utility knife
US8375588B2 (en) * 2009-04-27 2013-02-19 Allway Tools, Inc. Automatically retracting safety carton cutter
US8307556B2 (en) * 2009-06-19 2012-11-13 ADCO Industries—Technologies, L.P. Utility cutter
USD618981S1 (en) 2009-10-12 2010-07-06 Allway Tools, Inc. Tool handle
US8938883B2 (en) * 2010-01-11 2015-01-27 Allway Tools, Inc. Cutting implements
DE102011007234B3 (de) * 2011-04-12 2012-09-20 Martor Kg Sicherheits-Messer
USD660675S1 (en) 2011-06-09 2012-05-29 Allway Tools, Inc. Twin blade head for a knife
US20130245655A1 (en) 2012-03-09 2013-09-19 Sudha S. Mahurkar Concealed blade scalpel
US8782909B1 (en) 2013-02-12 2014-07-22 ADCO Industries—Technologies, L.P. Utility cutter
USD779143S1 (en) 2014-04-25 2017-02-14 Unger Marketing International, Llc Window scraper
WO2016175903A1 (fr) 2015-04-29 2016-11-03 Unger Marketing International, Llc Dispositifs de nettoyage polyvalents
USD782271S1 (en) 2015-04-29 2017-03-28 Unger Marketing International, Llc Tool handle
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US9945154B2 (en) 2016-06-29 2018-04-17 Ford Global Technologies, Llc Sliding key

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Also Published As

Publication number Publication date
ATE63254T1 (de) 1991-05-15
DE3622342A1 (de) 1988-01-14
DE3622342C2 (fr) 1989-04-13
ES2022836B3 (es) 1991-12-16
US4805304A (en) 1989-02-21
EP0250950A1 (fr) 1988-01-07
DE3769859D1 (de) 1991-06-13

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