EP0252319A1 - Knife with a substantially hollw handle body - Google Patents

Knife with a substantially hollw handle body Download PDF

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Publication number
EP0252319A1
EP0252319A1 EP87108323A EP87108323A EP0252319A1 EP 0252319 A1 EP0252319 A1 EP 0252319A1 EP 87108323 A EP87108323 A EP 87108323A EP 87108323 A EP87108323 A EP 87108323A EP 0252319 A1 EP0252319 A1 EP 0252319A1
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EP
European Patent Office
Prior art keywords
knife
knife blade
handle body
slide part
blade
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.)
Granted
Application number
EP87108323A
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German (de)
French (fr)
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EP0252319B1 (en
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 AT87108323T priority Critical patent/ATE45117T1/en
Publication of EP0252319A1 publication Critical patent/EP0252319A1/en
Application granted granted Critical
Publication of EP0252319B1 publication Critical patent/EP0252319B1/en
Expired legal-status Critical Current

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    • 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-PS 28 62 296.
  • short knife blade should be understood to mean a short trapezoidal blade, rectangular blade or hook blade - at least not a strip-like snap-off blade.
  • a short knife blade is therefore used, which mainly consists of strip steel and is generally no longer used after becoming blunt, but is replaced by a new knife blade.
  • the invention has for its object to design the known knife so that a knife blade change in a simple manner without significantly delaying the operation Manipulations can take place. This object has been achieved in accordance with the characterizing part of patent claim 1.
  • the knife according to the invention is characterized in that the slider part or a part thereof can be easily loosened and removed through the outwardly open slider longitudinal slot when the knife blade is retracted (here the knife blade is completely accommodated in the handle body), so that the knife blade is free.
  • the blunt knife blade can be exchanged, which can be exchanged for a new knife blade after it has been removed through the slider longitudinal slot, which can also be inserted through the slider longitudinal slot into its mounting position and then or subsequently through the slide part or through a part the same is positively and releasably locked to the slide part.
  • the longitudinal slot has a width corresponding to the knife blade and is arranged on a broad side of the handle body, the slide part, which is locked in a removable and form-fitting and releasable manner, forms a cover that lies against the outer broad side of the blade.
  • This cover can be easily loosened and, if it is hinged on one side, for example, can be pivoted out so that the blunt knife blade is exposed for replacement by a new one.
  • the easily detachable locking of the slide cover can take place in various ways, preferably by snap locking means, which bring about a releasable locking of the cover on the actual inner slide part.
  • a second basic embodiment according to the invention essentially consists in that the form-fitting, easily releasably locked slide part can be removed together with the knife blade together with the knife blade through a slot provided on a handle body narrow side and extending in the longitudinal direction of the handle body.
  • a particularly preferred embodiment of this second basic embodiment according to the invention consists in the fact that the slide part with the knife blade can be pivoted out in the retracted rest position of the knife blade about a pivot pin extending transversely to the broad grip body surfaces.
  • a knife is shown overall with the reference number 10 (Fig. 1-3) or 10a (Fig. 4).
  • Each knife has a substantially hollow handle body 11 (Fig. 1-3) or 11a (Fig. 4), which consists of two handle halves 12 (Fig. 1-3) or 12a (Fig. 4).
  • a slide longitudinal slot 13 is provided on a broad side (ie on a longitudinal handle half 12) of the handle body 11, which extends through a handle half 12 over its entire thickness.
  • the width b of the Slider longitudinal slot 13 is somewhat larger than the width of the knife blade 14 with cutting edge 15, which in the present case represents a trapezoidal blade.
  • the lower half of the handle shell 12, which is otherwise not visible in FIG the knife blade 14, however, is not guided directly but by means of an inner slide guide part 17 so as to be longitudinally displaceable parallel to the longitudinal axis x of the handle body.
  • the knife blade 14 is in its cutting position, i.e. the inner slide part 17 is shifted completely forward to the cutting side denoted by S, a slide cover 18 of approximately V-shaped design in the front abutting a correspondingly designed stop A of the longitudinal slide slot 13.
  • the knife blade 14 is held releasably locked in its advanced cutting position between the inner slide part 17 and the slide cover 18, 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 inner slide part 17 and the slide cover 18 in the retracted rest position according to FIG. 3. Since the slide cover 18 is connected to a bracket part 23 via a film hinge 22 and this in turn on the inner part Slider part 17 is held, the slide cover 18 can be released in the pivoting direction u from the connection of the snap locking means 21, so that the knife blade 14 can be removed to the outside through the wide slide longitudinal slot 13 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 parts 17, 18 - the latter with the bracket part 23 - suitably consist of a suitable plastic, that is, they form plastic injection molded parts.
  • the two handle shell longitudinal halves 12 can optionally represent plastic injection molded parts or metal die cast parts.
  • the embodiment according to FIG. 4 has a slide longitudinal slot 13a on the upper narrow side of the handle body 11a. 4, the knife blade 14 is in its operating position advanced toward the cutting side S.
  • the slide assembly 26, 27 is such that the knife blade 14 in the retracted rest position of the slide 26 together with the latter by one of a handle shell longitudinal half 12 inwardly projecting pivot pin 27 can be pivoted outwards out of the slide longitudinal slot 13a in accordance with the pivoting direction v, as indicated by the dashed partial representation in FIG. 4.
  • the knife blade 14 In the pivoted-out position (not shown), the knife blade 14 can be pulled off the side of the centering pin 28 and replaced by a new one.
  • the slide or the slide part 26 form an elongated hole 29 which extends in the longitudinal direction x of the handle body and in which the pivot pin 27 is received.
  • the end 30 of the elongated hole 29 facing away from the cutting side S rests on the pivot pin 27 in the cutting position 14 of the knife blade shown.
  • the one handle shell longitudinal half 12a shown folded down forms a short guide groove 31 which extends in the longitudinal direction x of the handle body and which is open at its two ends in an offset arrangement to the pivot pin 27.
  • a slide-like, strip-like guide projection 33 which partially covers the rear end of the knife blade 14 at a distance, engages longitudinally and slidably. If the slider 26 with its slot 29 moves completely away from the cutting side S to the rear and the pivot pin 27 abuts the front end 32 of 29, the strip-shaped guide projection 33 is already outside the guide groove 31, so that the pivoting movement of the arrangement 26, 14 in direction v can be initiated unhindered for the exchange of the knife blade 14.
  • the slide-side actuating handle 34 is connected to the inner slide part 17 via a connecting web 35.
  • the entire slide is suitably made of plastic, so it forms a plastic injection molded part.
  • the handle shell longitudinal halves 12a can either form plastic injection molded parts or metal die cast parts.
  • the slide handling surfaces are each designated 36.
  • the end of the guide groove 31 facing away from the cutting side S is designated by 37.

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

Abstract

A knife comprises a substantially hollow handle, a short knife blade guided longitudinally movable in a knife blade guide track and at least one guided slider member coupled indirectly with the handle side of the longitudinally movable knife blade. The slider member is provided or associated with a longitudinal slot, in some cases penetrating the handle to reach the exterior, and an operating piece. An especially simple replacement of the knife blade is possible since the knife blade is insertable at least indirectly in the knife blade guide track through the longitudinal slot which is designed to meet its spatial requirements. There the knife blade is form-locked and releasably lockable on the slider member which is at least partially removable from the handle.

Description

Die Erfindung betrifft ein Messer, wie es entsprechend dem Oberbegriff des Patentanspruchs 1 durch die US-PS 28 62 296 bekanntgeworden ist.The invention relates to a knife, as has become known according to the preamble of claim 1 by US-PS 28 62 296.

Bei dem bekannten Messer wird der Aufwand beim Auswechseln der als Trapezklinge ausgebil­deten Messerklinge als nachteilig empfunden. Hierzu muß zunächst die Verbindungsschraube, die beide Längsschalen des Griffkörpers aneinander hält, herausgeschraubt werden. Erst dann läßt sich zur Auswechselung der Messerklinge das mit jener längsbeweglich gekuppelte Schieberteil herausnehmen.In the known knife, the effort involved in replacing the knife blade designed as a trapezoidal blade is felt to be disadvantageous. To do this, the connecting screw, which holds the two longitudinal shells of the handle body together, must first be unscrewed. Only then can the knife part, which is coupled with that longitudinally movable slide part, be removed for replacing the knife blade.

Unter dem gattungsmäßigen Begriff "kurze Messerklinge" soll jeweils eine kurze Trapez­klinge, Rechteckklinge oder Hakenklinge - jeden­falls keine leistenartige Abbrechklinge - ver­standen werden. Es wird also eine kurze Messer­klinge verwendet, welche überwiegend aus Band­stahl besteht und in der Regel nach dem Stumpf­werden nicht mehr verwendet, sondern gegen eine neue Messerklinge ausgetauscht wird.The generic term "short knife blade" should be understood to mean a short trapezoidal blade, rectangular blade or hook blade - at least not a strip-like snap-off blade. A short knife blade is therefore used, which mainly consists of strip steel and is generally no longer used after becoming blunt, but is replaced by a new knife blade.

Ausgehend von dem Messer gemäß der US-PS 28 62 296, liegt der Erfindung die Aufgabe zu­grunde, das bekannte Messer so auszugestalten, daß ein Messerklingenwechsel auf einfache Weise ohne den Arbeitsgang wesentlich verzögernde Manipulationen erfolgen kann. Diese Aufgabe wurde entsprechend dem Kennzeichenteil des Patentan­spruchs 1 gelöst.Starting from the knife according to US-PS 28 62 296, the invention has for its object to design the known knife so that a knife blade change in a simple manner without significantly delaying the operation Manipulations can take place. This object has been achieved in accordance with the characterizing part of patent claim 1.

Das erfindungsgemäße Messer zeichnet sich dadurch aus, daß das Schieberteil oder ein Teil desselben bei zurückgezogener Position der Messer­klinge (hierbei ist die Messerklinge gänzlich im Griffkörper aufgenommen) durch den nach außen offenen Schieber-Längsschlitz hindurch leicht ge­löst und herausgenommen werden kann, so daß die Messerklinge frei liegt. Nun kann das Auswechseln der stumpfen Messerklinge durchgeführt werden, welche nach ihrer Herausnahme durch den Schieber-­Längsschlitz gegen eine neue Messerklinge ausge­tauscht werden kann, welche ebenfalls durch den Schieber-Längsschlitz hindurch in ihre Montage­position eingeführt und hierbei oder anschließend durch das Schieberteil oder durch ein Teil desselben formschlüssig und lösbar am Schieber­teil arretiert wird. Entsprechend einer ersten grundsätzlichen erfindungsgemäßen Aus­führungsform weist der Längsschlitz eine der Messerklinge entsprechende Breite auf und ist an einer Breitseite des Griffkörpers angeordnet, wobei das herausnehm- sowie formschlüssig und lös­bar arretierte Schieberteil eine an der äußeren Klingenbreitseite anliegende Abdeckung bildet. Diese Abdeckung kann leicht gelöst und wenn sie beispielsweise einseitig angelenkt ist, herausge­schwenkt werden, so daß die stumpfe Messerklinge zur Auswechslung gegen eine neue freiliegt. Die leicht lösbare Arretierung der Schieberabdeckung kann auf verschiedene Weise, vorzugsweise durch Schnappverrastmittel, erfolgen, die eine lösbare Verriegelung der Abdeckung am eigentlichen inneren Schieberteil bewirken.The knife according to the invention is characterized in that the slider part or a part thereof can be easily loosened and removed through the outwardly open slider longitudinal slot when the knife blade is retracted (here the knife blade is completely accommodated in the handle body), so that the knife blade is free. Now the blunt knife blade can be exchanged, which can be exchanged for a new knife blade after it has been removed through the slider longitudinal slot, which can also be inserted through the slider longitudinal slot into its mounting position and then or subsequently through the slide part or through a part the same is positively and releasably locked to the slide part. According to a first basic embodiment according to the invention, the longitudinal slot has a width corresponding to the knife blade and is arranged on a broad side of the handle body, the slide part, which is locked in a removable and form-fitting and releasable manner, forms a cover that lies against the outer broad side of the blade. This cover can be easily loosened and, if it is hinged on one side, for example, can be pivoted out so that the blunt knife blade is exposed for replacement by a new one. The easily detachable locking of the slide cover can take place in various ways, preferably by snap locking means, which bring about a releasable locking of the cover on the actual inner slide part.

Eine zweite grundsätzliche Ausführungsform entsprechend der Erfindung besteht im wesent­lichen darin, daß das formschlüssig leicht lösbar arretierte Schieberteil zusammen mit der Messer­klinge durch einen an einer Griffkörper- Schmal­seite vorgesehenen und sich in Längsrichtung des Griffkörpers erstreckenden Schlitz gemeinsam mit der Messerklinge herausnehmbar ist. Eine be­sonders bevorzugte erfindungsgemäße Ausführungs­form dieser zweiten grundsätzlichen Ausbildung be­steht darin, daß Schieberteil mit Messerklinge in zurückgezogener Ruheposition der Messerklinge um einen sich quer zu den Griffkörper-Breitflächen erstreckenden Schwenkzapfen herausschwenkbar sind.A second basic embodiment according to the invention essentially consists in that the form-fitting, easily releasably locked slide part can be removed together with the knife blade together with the knife blade through a slot provided on a handle body narrow side and extending in the longitudinal direction of the handle body. A particularly preferred embodiment of this second basic embodiment according to the invention consists in the fact that the slide part with the knife blade can be pivoted out in the retracted rest position of the knife blade about a pivot pin extending transversely to the broad grip body surfaces.

Weitere Einzelheiten, Vorteile und erfin­dungswesentliche Merkmale ergeben sich aus zu­sätzlichen Unteransprüchen sowie aus der nach­folgenden Beschreibung bevorzugter Ausführungs­formen des erfindungsgemäßen Messers unter Bezug­nahme auf die angefügten Zeichnungen. Dabei zeigt im einzelnen:

  • Fig. 1 eine Ansicht der Breitseite eines Messers,
  • Fig. 2 eine Draufsicht auf die obere Messer-­Schmalseite entsprechend dem mit II bezeichneten Ansichtspfeil in Fig. 1, wobei die Griffschalen-­Längshälften teilweise weggeschnitten sind, so daß ein leicht lösbar arretiertes und die Messer­klinge haltendes Schieber-Abdeckteil sichtbar ist, während sich die Messerklinge in ihrer vor­deren Schneidposition befindet,
  • Fig. 3 eine Anlehnung an die Darstellung gemäß Fig. 2, jedoch mit abgeschwenkter Schieber-­Abdeckung und
  • Fig. 4 eine Teildarstellung einer anderen Messer-Ausführungsform, bei welcher zur besseren Funktions-Verdeutlichung die beiden teilweise dar­gestellten Griffschalen-Längshälften voneinander abgeklappt sind.
Further details, advantages and features essential to the invention result from additional subclaims and from the following description of preferred embodiments of the knife according to the invention with reference to the attached drawings. The individual shows:
  • 1 is a view of the broad side of a knife,
  • Fig. 2 is a plan view of the upper narrow side of the knife corresponding to the arrow indicated in Fig. 1 in Fig. 1, wherein the handle halves are partially cut away, so that an easily releasably locked and holding the knife blade slide cover part is visible while the Knife blade is in its forward cutting position,
  • Fig. 3 is based on the illustration of FIG. 2, but with the slider cover pivoted and
  • Fig. 4 is a partial view of another knife embodiment, in which the two partially shown handle halves are folded apart from each other for better functional clarification.

In den Zeichnungen ist ein Messer insgesamt mit der Bezugsziffer 10 (Fig. 1-3) bzw. 10a (Fig. 4) dargestellt.In the drawings, a knife is shown overall with the reference number 10 (Fig. 1-3) or 10a (Fig. 4).

Jedes Messer weist einen im wesentlichen hohlen Griffkörper 11 (Fig. 1-3) bzw. 11a (Fig. 4) auf, der aus zwei Griffschalen-Längs­hälften 12 (Fig. 1-3) bzw. 12a (Fig. 4) besteht.Each knife has a substantially hollow handle body 11 (Fig. 1-3) or 11a (Fig. 4), which consists of two handle halves 12 (Fig. 1-3) or 12a (Fig. 4).

Entsprechend den Fig. 1-3 ist an einer Breit­seite (d.h. an einer Griffschalen-Längschälfte 12) des Griffkörpers 11 ein Schieber-Längsschlitz 13 vorgesehen, der eine Griffschalen- Längshälfte 12 auf ganzer Dicke durchsetzt. Die Breite b des Schieber-Längsschlitzes 13 ist etwas größer als die Breite der im vorliegendem Falle eine Trapez­klinge darstellenden Messerklinge 14 mit Schneide 15. Die in Fig. 1 ansonsten nicht sichtbare untere Griffschalen-Längshälfte 12 bildet zwei sich voneinander im Parallelabstand befindende Messerklingen-Führungsbahnen 16, auf welcher die Messerklinge 14 jedoch nicht unmittelbar sondern mittels eines inneren Schieberführungsteils 17 längsverschieblich parallel zur Griffkörper-Längs­achse x geführt ist.According to FIGS. 1-3, a slide longitudinal slot 13 is provided on a broad side (ie on a longitudinal handle half 12) of the handle body 11, which extends through a handle half 12 over its entire thickness. The width b of the Slider longitudinal slot 13 is somewhat larger than the width of the knife blade 14 with cutting edge 15, which in the present case represents a trapezoidal blade. The lower half of the handle shell 12, which is otherwise not visible in FIG the knife blade 14, however, is not guided directly but by means of an inner slide guide part 17 so as to be longitudinally displaceable parallel to the longitudinal axis x of the handle body.

In den Fig. 1 und 2 befindet sich die Messer­klinge 14 in ihrer Schneidposition, d.h. das innere Schieberteil 17 ist gänzlich nach vorn zu der mit S bezeichneten Schneidseite hin ver­schoben, wobei eine in der Ansicht vorn etwa V-förmig ausgebildete Schieber-Abdeckung 18 an einen korrespondierend ausgebildeten Anschlag A des Schieber-Längsschlitzes 13 anstößt.1 and 2, the knife blade 14 is in its cutting position, i.e. the inner slide part 17 is shifted completely forward to the cutting side denoted by S, a slide cover 18 of approximately V-shaped design in the front abutting a correspondingly designed stop A of the longitudinal slide slot 13.

Die Längsverschiebung von innerem Schieber­teil 17 mit Schieber-Abdeckung 18 nach vorn zur Schneidseite S erfolgt entgegen der Rückstell­kraft einer Zugfeder 19. Sobald die eine Griff­handhabe 34 bildende Schieber-Abdeckung 18 mit dem Daumen nicht mehr nach vorne geschoben wird, zieht die Zugfeder 19 die Schieber-Anordnung 17, 18 zusammen mit der Messerklinge 14 in eine Ruhe­position (Fig. 3) zurück, gemäß welcher die Messerklinge 14 gänzlich im Griffkörper 11 aufge­nommen ist. Hierbei befindet sich die Messer­ klinge 14 mit ihrer gesamten Klingenbreitseite 20 innerhalb des Schieber-Längsschlitzes 13.The longitudinal displacement of the inner slide part 17 with the slide cover 18 to the cutting side S takes place counter to the restoring force of a tension spring 19. As soon as the slide cover 18 forming a handle 34 is no longer pushed forward with the thumb, the tension spring 19 pulls the slide - Arrangement 17, 18 together with the knife blade 14 in a rest position (FIG. 3), according to which the knife blade 14 is completely accommodated in the handle body 11. Here is the knife blade 14 with its entire broad side 20 within the slider longitudinal slot 13.

Die Entnahme der Messerklinge in ihrer zurückgezogenen Ruheposition gemäß Fig. 3 voll­zieht sich wie folgt:The removal of the knife blade in its retracted rest position according to FIG. 3 takes place as follows:

Zunächst ist die Messerklinge 14 entspre­chend den Darstellungen in Fig. 1 und 2 in ihrer vorgeschobenen Schneidposition zwischen dem inneren Schieberteil 17 und der Schieber-Ab­deckung 18 lösbar arretiert gehalten. Die lösbare Arretierung erfolgt über Schnappverrastmittel 21, die in Fig. 2 gestrichelt dargestellt sind.First, the knife blade 14 is held releasably locked in its advanced cutting position between the inner slide part 17 and the slide cover 18, 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.

Nachdem die Zugfeder 19 wirksam wurde, be­findet sich die Messerklinge 14 gemeinsam mit dem inneren Schieberteil 17 und der Schieber- Ab­deckung 18 in der zurückgezogenen Ruheposition gemäß Fig. 3. Da die Schieberabdeckung 18 über ein Filmscharnier 22 an einem Konsolteil 23 und dieses wiederum am inneren Schieberteil 17 gehal­ten ist, läßt sich die Schieber-Abdeckung 18 in Schwenkrichtung u aus der Anbindung der Schnapp­verrastmittel 21 lösen, so daß die Messerklinge 14 durch den breiten Schieber-Längsschlitz 13 hinaus nach außen entnommen und gegen eine neue Messerklinge 14 ausgetauscht werden kann.After the tension spring 19 has taken effect, the knife blade 14 is located together with the inner slide part 17 and the slide cover 18 in the retracted rest position according to FIG. 3. Since the slide cover 18 is connected to a bracket part 23 via a film hinge 22 and this in turn on the inner part Slider part 17 is held, the slide cover 18 can be released in the pivoting direction u from the connection of the snap locking means 21, so that the knife blade 14 can be removed to the outside through the wide slide longitudinal slot 13 and exchanged for a new knife blade 14.

Aus Fig. 3 ist im übrigen zu ersehen, daß die Schnappverrastmittel 21 aus hinterschnittenen patrizenförmigen Rast- bzw. Zentrierzapfen 24 des inneren Schieberteils 17 und aus entsprechend hinterschnittenen matrizenartigen Rastlöchern 25 der Schieber-Abdeckung 18 bestehen. Sobald eine neue Messerklinge 14 eingewechselt ist, wird die Schieber-Abdeckung wiederum in ihre Raststellung (vergleichbar den Fig. 1 und 2) versetzt.From Fig. 3 it can be seen that the snap locking means 21 from undercut male-shaped locking or centering pin 24 of the inner slide part 17 and from accordingly undercut die-like locking holes 25 of the slide cover 18 exist. As soon as a new knife blade 14 has been inserted, the slide cover is again moved into its latching position (comparable to FIGS. 1 and 2).

Es bleibt noch zu erwähnen, daß sich die Anlenkungsachse a des Filmscharniers 22 parallel zur Querachse y des Griffkörpers 11 erstreckt.It remains to be mentioned that the articulation axis a of the film hinge 22 extends parallel to the transverse axis y of the handle body 11.

Die Schieberteile 17, 18 - letzeres mit dem Konsolteil 23 - bestehen zweckmäßig aus einem ge­eigneten Kunststoff, bilden also Kunststoff-­Spritzgußteile. Die beiden Griffschalen- Längs­hälften 12 können wahlweise Kunststoff- Spritz­gußteile oder Metall-Druckgußteile darstellen.The slide parts 17, 18 - the latter with the bracket part 23 - suitably consist of a suitable plastic, that is, they form plastic injection molded parts. The two handle shell longitudinal halves 12 can optionally represent plastic injection molded parts or metal die cast parts.

Bei der Darstellung des Ausführungsbeispiels gemäß Fig. 4 wurden - soweit möglich - für ana­loge Bauteile dieselben Bezugszeichen entspre­chend den Fig. 1-3 gewählt.In the illustration of the exemplary embodiment according to FIG. 4, the same reference numerals have been chosen, as far as possible, for analog components in accordance with FIGS. 1-3.

Im Unterschied zur Ausführungsform gemäß den Fig. 1-3 weist die Ausführungsform gemäß Fig. 4 einen Schieber-Längsschlitz 13a an der oberen Schmalseite des Griffkörpers 11a auf. In der Dar­stellung gemäß Fig. 4 befindet sich die Messer­klinge 14 in ihrer zur Schneidseite S hin vorge­schobenen Betriebsposition. Die Schieberanord­nung 26, 27 ist so beschaffen, daß die Messer­klinge 14 in zurückgezogener Ruheposition des Schiebers 26 gemeinsam mit letzterem um einen von einer Griffschalen-Längshälfte 12 nach innen vor­ragenden Schwenkzapfen 27 entsprechend der Schwenkrichtung v aus dem Schieber- Längsschlitz 13a heraus nach außen geschwenkt werden kann, wie durch gestrichelte Teildarstellung in Fig. 4 ange­deutet. In der nicht dargestellten herausge­schwenkten Position kann die Messerklinge 14 seit­lich von den Zentrierzapfen 28 abgezogen und durch eine neue ersetzt werden.In contrast to the embodiment according to FIGS. 1-3, the embodiment according to FIG. 4 has a slide longitudinal slot 13a on the upper narrow side of the handle body 11a. 4, the knife blade 14 is in its operating position advanced toward the cutting side S. The slide assembly 26, 27 is such that the knife blade 14 in the retracted rest position of the slide 26 together with the latter by one of a handle shell longitudinal half 12 inwardly projecting pivot pin 27 can be pivoted outwards out of the slide longitudinal slot 13a in accordance with the pivoting direction v, as indicated by the dashed partial representation in FIG. 4. In the pivoted-out position (not shown), the knife blade 14 can be pulled off the side of the centering pin 28 and replaced by a new one.

Im einzelnen ist die Funktion des Ausfüh­rungsbeispiels gemäß Fig. 4 folgende:The function of the exemplary embodiment according to FIG. 4 is as follows:

Der Schieber bzw. das Schieberteil 26 bilden ein sich in Griffkörper-Längsrichtung x er­streckendes Langloch 29, in welchem der Schwenk­zapfen 27 aufgenommen ist. Das der Schneidseite S abgewandte Ende 30 des Langlochs 29 liegt bei der gezeigten Schneidstellung der Messerklinge 14 am Schwenkzapfen 27 an.The slide or the slide part 26 form an elongated hole 29 which extends in the longitudinal direction x of the handle body and in which the pivot pin 27 is received. The end 30 of the elongated hole 29 facing away from the cutting side S rests on the pivot pin 27 in the cutting position 14 of the knife blade shown.

Die unten abgeklappt dargestellte eine Griff­schalen-Längshälfte 12a bildet in versetzter An­ordnung zum Schwenkzapfen 27 eine sich in Griff­körper-Längsrichtung x erstreckende kurze Führungsnut 31, die an ihren beiden Enden offen ist. In diese Führungsnut 31 greift ein schieber­seitiger leistenartiger Führungsansatz 33, der das rückwärtige Ende der Messerklinge 14 teil­weise mit Abstand überdeckt, führend längs- und gleitverschieblich ein. Falls sich nun der Schieber 26 mit seinem Langloch 29 von der Schneidseite S weg gänzlich nach hinten bewegt und der Schwenkzapfen 27 am vorderen Ende 32 von 29 anstößt, befindet sich der leistenförmige Führungsansatz 33 bereits außerhalb der Führungs­nut 31, so daß die Schwenkbewegung der Anordnung 26, 14 in Richtung v zur Auswechslung der Messer­klinge 14 ungehindert eingeleitet weden kann.The one handle shell longitudinal half 12a shown folded down forms a short guide groove 31 which extends in the longitudinal direction x of the handle body and which is open at its two ends in an offset arrangement to the pivot pin 27. In this guide groove 31, a slide-like, strip-like guide projection 33, which partially covers the rear end of the knife blade 14 at a distance, engages longitudinally and slidably. If the slider 26 with its slot 29 moves completely away from the cutting side S to the rear and the pivot pin 27 abuts the front end 32 of 29, the strip-shaped guide projection 33 is already outside the guide groove 31, so that the pivoting movement of the arrangement 26, 14 in direction v can be initiated unhindered for the exchange of the knife blade 14.

Die schieberseitige Betätigungshandhabe 34 ist über einen Verbindungssteg 35 mit dem inneren Schieberteil 17 verbunden. Der gesamte Schieber besteht zweckmäßig aus Kunststoff, bildet also einen Kunststoffspritzgußteil. Die Griffschalen-­Längshälften 12a können entweder Kunststoff-­Spritzgußteile oder aber Metall-Druckgußteile bilden.The slide-side actuating handle 34 is connected to the inner slide part 17 via a connecting web 35. The entire slide is suitably made of plastic, so it forms a plastic injection molded part. The handle shell longitudinal halves 12a can either form plastic injection molded parts or metal die cast parts.

Die Schieber-Handhabungsflächen sind jeweils mit 36 bezeichnet. Das der Schneidseite S abge­wandte Ende der Führungsnut 31 ist mit 37 be­zeichnet.The slide handling surfaces are each designated 36. The end of the guide groove 31 facing away from the cutting side S is designated by 37.

Claims (14)

1. Messer mit einem im wesentlichen hohlen Griffkörper, einer hierin längsbeweglichen an einer Messerklingen-Führungsbahn geführten kurzen Messerklinge sowie mit einem mindestens mittelbar mit der Messerklinge längsbeweglich gekuppelten, griffkörperseitig geführten Schieberteil, wel­chem, jeweils die Wandung des Griffkörpers durch­greifend, ein Längsschlitz sowie eine Betätigungs­handhabe zugeordnet sind, dadurch gekennzeichnet, daß die Messerklinge (14) durch den ihrem Raum­bedarf angepaßten Schieber-Längsschlitz (13, 13a) hindurch mindestens mittelbar in die Messer­klingen-Führungsbahn (16) einsetzbar und dort mittels des mindestens teilweise aus dem Griff­körper (11, 11a) herausnehmbaren Schieberteils (18, 26) formschlüssig und lösbar arretiert ist.1.Knife with an essentially hollow handle body, a short knife blade that is longitudinally movable on a knife blade guide track, and with a slide part that is at least indirectly coupled longitudinally with the knife blade and that is guided on the handle body side, which, penetrating the wall of the handle body, has a longitudinal slot and an actuating handle are assigned, characterized in that the knife blade (14) can be inserted at least indirectly into the knife blade guideway (16) through the slide longitudinal slot (13, 13a) adapted to its space requirement and there by means of the at least partially out of the handle body (11, 11a ) removable slide part (18, 26) is positively and releasably locked. 2. Messer nach Anspruch 1, dadurch gekenn­zeichnet, daß der Schieber-Längsschlitz (13) eine der Messerklinge (14) entsprechende Breite (b) aufweist und an einer Breitseite des Griffkörpers (11) angeordnet ist, wobei das herausnehm- sowie formschlüssig und lösbar arretierte Schieberteil eine an der äußeren Klingenbreitseite (20) an­liegende Abdeckung (18) bildet.2. Knife according to claim 1, characterized in that the slider longitudinal slot (13) has a knife blade (14) corresponding width (b) and is arranged on a broad side of the handle body (11), which is removable and positive and releasable locked slide part forms a cover (18) which bears against the outer broad side of the blade (20). 3. Messer nach Anspruch 2, dadurch gekenn­zeichnet, daß die Messerklinge (14) nur mit ihrer inneren Breitseite an einem an der Messerklingen-­Führungsbahn (16, 16) geführten inneren Schieber­ teil (17) einseitig formschlüssig gehalten ist, während die an der äußeren Breitseite (20) der Messerklinge (14) anliegende Abdeckung (18) am inneren Schieberteil (17) formschlüssig arretiert ist.3. Knife according to claim 2, characterized in that the knife blade (14) only with its inner broad side on an on the knife blade guide track (16, 16) guided inner slide part (17) is held positively on one side, while the cover (18) which bears on the outer broad side (20) of the knife blade (14) is locked in a form-fitting manner on the inner slide part (17). 4. Messer nach Anspruch 2 oder nach An­spruch 3, dadurch gekennzeichnet, daß die Ab­deckung (18) über Schnappverrastmittel (21) am inneren Schieberteil (17) gehalten ist.4. Knife according to claim 2 or according to claim 3, characterized in that the cover (18) via snap locking means (21) is held on the inner slide part (17). 5. Messer nach einem der Ansprüche 2 bis 4, dadurch gekennezeichnet, daß die Abdeckung (18) einseitig schwenkbar am inneren Schieberteil (17) angelenkt ist.5. Knife according to one of claims 2 to 4, characterized in that the cover (18) is articulated on one side on the inner slide part (17). 6. Messer nach Anspruch 5, dadurch gekenn­zeichnet, daß die Anlenkungsachse (a) zwischen Abdeckung (18) und innerem Schieberteil (17) quer zur Vorschubrichtung (bei x) und parallel zur Querachse (y) des Griffkörpers (11) verläuft.6. Knife according to claim 5, characterized in that the articulation axis (a) between the cover (18) and the inner slide part (17) extends transversely to the feed direction (at x) and parallel to the transverse axis (y) of the handle body (11). 7. Messer nach Anspruch 6, dadurch gekenn­zeichnet, daß sich die Anlenkungsachse (a) an der der Schneidseite (S) des Griffkörpers (11) abge­wandten Stelle befindet.7. Knife according to claim 6, characterized in that the articulation axis (a) on the cutting side (S) of the handle body (11) is remote. 8. Messer nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, daß die Abdeckung (18) zugleich eine Schieber-Handhabungsfläche (36) bildet.8. Knife according to one of claims 2 to 7, characterized in that the cover (18) also forms a slide-handling surface (36). 9. Messer nach einem der Ansprüche 2 bis 8, dadurch gekennzeichnet, daß alternativ oder zu­sätzlich ein Schieberbetätigungsteil vorgesehen ist, welches mit dem inneren Schieberteil zug­und druckfest verbunden ist und durch einen an der unteren oder oberen, vorzugsweise an der oberen Griffkörper-Schmalseite vorgesehenen, sich parallel zur Griffkörper-Längsachse (x) er­streckenden Betätigungsschlitz hindurchragt.9. Knife according to one of claims 2 to 8, characterized in that, alternatively or additionally, a slide actuating part is provided which is connected to the inner slide part in a tension-proof and pressure-resistant manner and by a narrow side provided on the lower or upper, preferably on the upper handle body, extends parallel to the handle body longitudinal axis (x) extending actuation slot. 10. Messer nach Anspruch 1, dadurch gekenn­zeichnet, daß das formschlüssig lösbar arretierte Schieberteil (26) zusammen mit der Messerklinge (14) durch einen an einer Griffkörper- Schmal­seite vorgesehenen und sich in Längsrichtung (x) des Griffkörpers (11a) erstreckenden Schieber-­Längsschlitz (13a) gemeinsam mit der Messerklinge (14) herausnehmbar ist.10. Knife according to claim 1, characterized in that the positively releasably locked slide part (26) together with the knife blade (14) by a provided on a handle body narrow side and extending in the longitudinal direction (x) of the handle body (11a) extending slider longitudinal slot (13a) can be removed together with the knife blade (14). 11. Messer nach Anspruch 10, dadurch gekenn­zeichnet, daß Schieberteil (26) mit Messerklinge (14) in zurückgezogener Ruheposition der Messer­klinge (14) um einen sich quer zu den Griff­körper-Breitflächen erstreckenden Schwenkzapfen (27) herausschwenkbar sind.11. Knife according to claim 10, characterized in that the slide part (26) with the knife blade (14) in the retracted rest position of the knife blade (14) can be pivoted out about a pivot pin (27) extending transversely to the handle body broad surfaces. 12. Messer nach Anspruch 11, dadurch gekenn­zeichnet, daß das Schieberteil (26) ein sich in Griffkörper-Längsrichtung (x) erstreckendes Lang­loch (29) bildet, in welchem der Schwenkzapfen (27) aufgenommen ist, wobei das der Schneidseite (S) abgewandte Ende (30) des Langlochs (29) bei Schneid-Stellung der Messerklinge am Schwenk­ zapfen (27) anliegt.12. Knife according to claim 11, characterized in that the slider part (26) forms an elongated hole (29) extending in the longitudinal direction of the handle body (x), in which the pivot pin (27) is received, the side facing away from the cutting side (S) End (30) of the elongated hole (29) in the cutting position of the knife blade on the swivel pin (27) rests. 13. Messer nach Anspruch 12 oder nach An­spruch 13, dadurch gekennzeichnet, daß der Griff­körper (11a) in versetzter Anordnung zum Schwenk­zapfen (27) eine sich in Griffkörper-Längsrich­tung (x) erstreckende Führungsnut (31) bildet, welche einen in ihr längsverschieblich aufge­nommenen schieberseitigen Führungsansatz (33) an ihrem der Schneidseite (S) abgewandten Ende zum Herausschwenken (bei v) des Schieberteils (26) freigibt.13. Knife according to claim 12 or according to claim 13, characterized in that the handle body (11a) in a staggered arrangement to the pivot pin (27) in the handle body longitudinal direction (x) extending guide groove (31) which a received in it longitudinally displaceable on the slide-side guide projection (33) at its end facing away from the cutting side (S) for pivoting out (at v) of the slide part (26). 14. Messer nach Anspruch 13, dadurch gekenn­zeichnet, daß der Führungsansatz (33) leisten­förmig ausgebildet ist.14. Knife according to claim 13, characterized in that the guide projection (33) is strip-shaped.
EP87108323A 1986-07-03 1987-06-11 Knife with a substantially hollw handle body Expired EP0252319B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87108323T ATE45117T1 (en) 1986-07-03 1987-06-11 KNIVES WITH A SUBSTANTIALLY HOLLOW HANDLE BODY.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863622343 DE3622343A1 (en) 1986-07-03 1986-07-03 KNIFE WITH AN ESSENTIAL HOLLOW GRIP BODY
DE3622343 1986-07-03

Publications (2)

Publication Number Publication Date
EP0252319A1 true EP0252319A1 (en) 1988-01-13
EP0252319B1 EP0252319B1 (en) 1989-08-02

Family

ID=6304308

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EP87108323A Expired EP0252319B1 (en) 1986-07-03 1987-06-11 Knife with a substantially hollw handle body

Country Status (6)

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US (1) US4835865A (en)
EP (1) EP0252319B1 (en)
AT (1) ATE45117T1 (en)
DE (1) DE3622343A1 (en)
ES (1) ES2010691B3 (en)
HK (1) HK47891A (en)

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Also Published As

Publication number Publication date
EP0252319B1 (en) 1989-08-02
DE3622343A1 (en) 1988-02-11
ES2010691B3 (en) 1989-12-01
US4835865A (en) 1989-06-06
ATE45117T1 (en) 1989-08-15
HK47891A (en) 1991-06-28
DE3622343C2 (en) 1989-01-19

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