EP1790441A1 - Knife - Google Patents

Knife Download PDF

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Publication number
EP1790441A1
EP1790441A1 EP06023593A EP06023593A EP1790441A1 EP 1790441 A1 EP1790441 A1 EP 1790441A1 EP 06023593 A EP06023593 A EP 06023593A EP 06023593 A EP06023593 A EP 06023593A EP 1790441 A1 EP1790441 A1 EP 1790441A1
Authority
EP
European Patent Office
Prior art keywords
blade
knife
housing
stop element
stop
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
EP06023593A
Other languages
German (de)
French (fr)
Other versions
EP1790441B1 (en
Inventor
Gudula Polei
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 KG
Original Assignee
Martor KG
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Filing date
Publication date
Application filed by Martor KG filed Critical Martor KG
Publication of EP1790441A1 publication Critical patent/EP1790441A1/en
Application granted granted Critical
Publication of EP1790441B1 publication Critical patent/EP1790441B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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

  • Such a knife is known from the DE 2736395 ,
  • This knife has on a first housing broadside a slide longitudinal slot in which a motion-coupled with a blade holder actuating handle is guided.
  • One of the first housing broad side opposite the second housing broadside has no actuating handle.
  • the blade holder can be moved between a non-use position, in which the blade is completely inside the blade housing, and a cutting position, at which the blade exits an opening in the blade housing.
  • a tension spring loads the blade holder into the non-use position.
  • the actuating handle engages in a locking step.
  • the tension spring force acting indirectly on the knife blade is largely neutralized by the engagement of the actuating handle on the locking step.
  • the tension spring force causes the knife blade to snap back into the protected rest position as soon as the transverse pressure, for example the actuation pressure of the thumb, disappears.
  • the knife is therefore with a relatively low operating pressure, ie relatively fatigue, to keep in its cutting position.
  • a front blade housing edge surrounding the blade exit opening is inclined to a blade advance direction, the knife housing edge extending rearwardly away from the knife edge front side.
  • the knife can be ergonomically held at an obtuse angle to the material to be cut during the cut, without the knife housing edge resting on the cutting material during cutting and hindering the cutting guide.
  • a similar knife is also called "professional" in the Complete catalog of the company MARTOR KG, Solingen, January 2002, on pages 14 to 21 shown in different embodiments.
  • the knife has a slide longitudinal slot on a blade housing side, in which an operating lug is guided, which operates the blade holder.
  • the blade housing is chamfered at an obtuse angle to the blade advance direction.
  • the knife for left-handers has the operating approach on the other side of the housing, so it is mirror-inverted. So it must be made two different knife shapes for right and for left-handers.
  • knives are known from the prior art which can be used both by right-handed and by left-handers. Such knives have, for example, on both sides of the housing a slide longitudinal slot for a control approach.
  • a disadvantage of these knives, however, is that the second actuating handle represents an additional manufacturing effort.
  • the knives are provided with a snap-off blade, which has predetermined breaking lines.
  • the blade holder is guided displaceably in the blade housing and provided with a latching element which can be latched with recesses arranged in the blade feed direction on one side of the housing.
  • the blade holder and thus the blade in a certain locking position, for example, the cutting position in which the blade protrudes from a blade outlet gap, firmly locked.
  • the detent element In order to move the blade to a non-use position, the detent element must be released from the recess and the blade retracted into the housing.
  • this knife is not a safety knife, in which the blade is automatically moved back into the blade housing as soon as the pressure on the operating approach subsides or a cutting reaction force on the blade is eliminated.
  • a front blade edge edge of the blade surrounding the blade exit nip has a first portion which is inclined to the knife blade advance direction and extends rearwardly away from a knife edge forward side. In this way it is prevented that the knife housing sits on the cutting material during cutting and obstructs the cut.
  • Another second area of the front knife housing edge is inclined parallel to the predetermined breaking lines of the blade segments. It is thus easily possible to cancel a spent blunt blade segment and then move a new unused blade segment in the cutting position.
  • the trained parallel to the predetermined breaking line second region of the front Messerge Reifenands serves when breaking the knife blade as a contact edge for the blade. There is no need to use a tool to cancel the blunt blade.
  • the principle of the invention is that due to the sloping blade front side, the knife is usable by both right and left-handers by the blade can be used in two different positions in the blade holder.
  • the maximum feed positions of the blade holder can be adjusted by means of the adjustable stop element and thus different blade exit lengths can be achieved with the same knife.
  • the advantage of the invention is that the production cost is considerably reduced, since no longer separate, mirror-image designed knives for right and left-handers must be produced. Also, another slide longitudinal slot with operating approach for the blade holder on the second blade housing side need not be provided. In fact, in such knives, due to the additional slide longitudinal slot, more contaminants can penetrate into the interior of the knife housing and impair the function of the knife. In addition, it is no longer necessary to produce knives with different blade exit lengths. With the knife according to the invention, the blade exit length is adjustable.
  • the knife according to the invention ensures a comfortable handling compared to knives with a double-sided operating approach.
  • the movement of the additional operating projection can be hindered in the knives with double-sided operating approach by the palm surrounding the knife housing.
  • the additional operating lug as well as the additional slide longitudinal slot may interfere with tightly enclosing the knife with the palm of the hand.
  • the knife according to the invention overcomes these disadvantages and is still usable for right and left-handers.
  • the knife according to the invention offers greater design freedom in the shaping of the knife, because an additional operating approach restricts the design freedom of the knife.
  • the stop device on a stop element, which is arranged in the movement path of the blade holder. Since the stop member is in the path of movement of the blade holder, the blade holder can only be moved to contact the stop member. An undesirable advancement of the blade holder over a defined length addition is thus reliably prevented.
  • the stop element is translationally displaceable in the direction of movement of the blade holder.
  • the stop element may, for example, be movable parallel to the path of movement of the blade holder. If the stop element is guided parallel to the movement path of the blade holder, by moving the stop element by a certain amount, the maximum blade advance and thus the blade exit length can be adjusted by the same amount. The amount by which the stop element is adjusted so can equal the amount by which the exit length of the blade changes.
  • the adjustability of the stop member may also be continuous.
  • the stop element is attached at least indirectly to the blade housing.
  • the stop element can thus be mounted directly on the blade housing or be held for example on a part which is fixed to the blade housing.
  • the stop element cooperates with a holding device which is adjustable between a locking position in which the stop element is fixedly arranged and a release position in which the stop element is movable in different positions.
  • a holding device which is adjustable between a locking position in which the stop element is fixedly arranged and a release position in which the stop element is movable in different positions.
  • the holding device has a screw element, the thread of which cooperates with a thread fastened at least indirectly to the stop element.
  • the screw element By means of the screw element, it is possible in a simple manner to adjust the holding device between the locking and the release position by the screw in the thread of the stop element on or is rotated out of this.
  • the screw passes through an at least indirectly associated with the blade housing slot at least partially.
  • the screw can be guided by the inner edges of the slot. In this way, the movement of the stop element is indirectly guided by the inner edges of the slot.
  • a slot limit the adjustment of the stop element.
  • the stop element is guided on soffits of the oblong hole.
  • the stop element therefore does not have to be guided indirectly via the screw element.
  • the cooperating with the inner edges of guide surfaces of the stop element may be formed flat.
  • the stop element can thus be performed very accurately.
  • the guide surfaces of the stop element may be formed so that they form an anti-rotation of the stop element. Inadvertent rotation of the stop element can be prevented in a simple manner.
  • the stop element cooperates with the elongated hole adjacent wall surfaces non-positively and / or positively.
  • the stop element may be frictionally held, for example, on inner surfaces of the blade housing or of an insert part fastened to the blade housing.
  • a screw fastening By means of a screw fastening, it is possible in a simple manner to prevent movement of the stop element by frictional connection.
  • One Positive locking can be achieved for example by structuring the corresponding surfaces of stop element and blade housing or insert. By loosening the holding device, the stop element can be released transversely to the adjustment of the positive connection and then adjusted.
  • the blade housing is associated with an insert part.
  • the insert can be attached to the knife housing and released again.
  • the insert can be assigned certain knife functions. It is Z. B. possible that a blade change by separating the blade housing and insert part is feasible.
  • a return spring may be arranged, which loads the blade holder in the non-use position, in which the blade is arranged inaccessible to the user in the blade housing.
  • the slot and holding device and stop device can be arranged on the insert part. The insert can be held by latching on the blade housing.
  • the blade holder is non-positively and / or positively held on the insert in the non-use position. In this way, it is easily possible to remove the insert part of the blade housing for blade change without the items of the knife can be lost.
  • the insert and the blade holder form a unit that can be removed from the knife housing closed.
  • a knife is generally designated by the reference numeral 10.
  • Like reference numerals in the different figures indicate corresponding parts.
  • the knife 10 has a knife housing 11 and a blade 13 received in a blade holder 12.
  • the blade housing 11 is provided with a gap 14 for the exit of the blade 13.
  • the soffits of the gap 14 form a front housing edge 15, which projects in the region of the longitudinal center axis M of the cutter housing 11 and forms a front tip 16 of the cutter housing 11.
  • At the narrow edges S1, S2 towards the housing edge 15 falls roof-shaped in the direction of a rear knife end H at an obtuse angle ⁇ to the longitudinal central axis M.
  • the blade housing 11 is provided on the blade housing side 37 with a slider longitudinal slot 17 by an actuating projection 18 is guided for the blade holder 12.
  • the blade holder 12 is guided translationally movable in a receiving channel A of the blade housing 11, so that it is movable between a non-use position shown in Fig. 2 and a cutting position shown in Fig. 1.
  • the blade holder 12 In the cutting position, the blade holder 12 is moved to the respectively set maximum feed position, in which the blade 13 protrudes from the housing gap 14.
  • the blade 13 In the non-use position, the blade 13 is completely disposed in the receiving channel A inaccessible to a user of the knife 10, so that there is no risk of injury.
  • the blade holder 12 has a base plate 21 and a pivotally mounted on the base plate 21 cover plate 22.
  • the knife blade 13 is positively secured between the base plate 21 and cover plate 22 by passing through recesses formed in the knife blade 13 in a known manner on the cover plate 22.
  • the blade holder 12 is laterally guided by inner wall surfaces 19 and 20 of the receiving channel A.
  • Base plate 21 and cover plate 22 can therefore not be removed from each other as long as the blade holder 12 is received in the receiving channel A of the blade housing 11.
  • the blade 13 is thus securely held between the base plate 21 and cover plate 22. Only when the blade holder 12 is removed from the housing 11, a folding of the cover plate 22 of the base plate 21 is possible, so that the blade 13 can be removed.
  • a coil spring not shown, is held with its one end to the blade holder and with its other end to an insert part 23.
  • the blade holder 12 is loaded by the tension spring in the rest position in the direction x2.
  • the insert member 23 can be inserted from a rear end H in the blade housing 11 and locked. For blade replacement, it can be solved and pulled out of the blade housing 11.
  • the insert 23 is assigned a verstellarretierbare stop device 24.
  • a stop element 28 of the adjustable stop device 24 is arranged in the path of movement of the blade holder 12.
  • the insert part 23 has a slot 25 whose inner edges 26 form guide surfaces for outer edges 27 of a central region 39 of the stop element 28 projecting into the slot 25.
  • the stop element 28 can be braced against an inner wall surface 30 of the insert part 23 and thus fixed in a non-positive manner in different positions of the longitudinal slot and released again.
  • the projecting portion 39 of the stopper member 28 cooperates with the inner edges 26 in the form of a rotation, so that the stopper member 28 when loosening the screw 29 can not rotate.
  • the blade holder 12 has a shoulder 31 with a contact surface 32.
  • the blade holder 12 is translationally movable in the direction x1 from the rest position until the contact surface 32 of the shoulder 31 comes into contact with a stop surface 33 of the stop element 28.
  • An adjustment of the maximum feed position is possible by first the screw element 29 by means of a screw head 40 as far out of the stop member 28 is rotated until the frictional clamping connection between the stop member 28 and the inner wall 30 of the insert member 23 is repealed. However, the screw element 29 is not completely released from the stop element 29, so that the screw element 29 together with the stop element 28 translationally in the directions x1, x2 is displaceable. After moving the stop element 28 in the desired position, the screw 29 is screwed back into the stop element 28 until the stop member 28 is frictionally attached to the inner wall 30 of the insert member 23 and can not be moved.
  • the stop surface 33 of the stop element 28 thus forms a fixed stop for the contact surface 32 of the blade holder 12 and the blade holder 12 is only as far advancing until the contact surface 32 has come to rest on the stop surface 33.
  • the respective set maximum blade exit length of the blade 13 is reached. If, according to FIG. 6, the stop element 28 is moved from the position P1 by an amount I in the direction x1 into the position P2 indicated by a broken line, the blade exit length K1 is likewise increased by the amount I so that a blade exit length K2 results.
  • the blade 13 is inserted mirror-inverted with respect to the blade 10 shown in FIG. 1 into the blade holder 12, so that the blade can be used by left-handers.
  • the operation kit 18 is operated by the thumb of the left hand and the blade housing 11 embraced by the remaining fingers of the left hand.
  • the second inclined edge portion 36 on the front side V of the blade housing 11 now allows the cutting guide obliquely held knife 10 for left-handers without the lower narrow side S1 touches on the clippings and affects the cut.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Knives (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Scissors And Nippers (AREA)

Abstract

The cutter (10) has the blade (13) projecting through a gap (14) in the housing (11). The front end of the housing in the region of the blade gap projects, and is at an acute angle on both narrow sides (S1, S2) of the cutter to the central longitudinal axis, like a pitched roof. The cutter has a stop device (24) able to stop it in two positions (P1, P2).

Description

Ein solches Messer ist bekannt aus der DE 2736395 . Dieses Messer weist an einer ersten Gehäusebreitseite einen Schieberlängsschlitz auf, in dem eine mit einer Klingenhalterung bewegungsgekoppelte Betätigungshandhabe geführt ist. Eine der ersten Gehäusebreitseite gegenüberliegende zweite Gehäusebreitseite weist keine Betätigungshandhabe auf. Mittels der Betätigungshandhabe kann die Klingenhalterung zwischen einer Nichtgebrauchsposition, in welcher sich die Klinge vollständig im Innern des Messergehäuses befindet und einer Schneidposition, bei der die Klinge aus einer Öffnung im Messergehäuse austritt, bewegt werden. Eine Zugfeder belastet die Klingenhalterung in die Nichtgebrauchsposition. In der Schneidposition rastet die Betätigungshandhabe in eine Arretierstufe ein. Die mittelbar auf die Messerklinge wirkende Zugfederkraft wird durch Einrasten der Betätigungshandhabe an der Arretierstufe weitgehend neutralisiert. Die Zugfederkraft bewirkt jedoch, dass die Messerklinge in die geschützte Ruhelage zurückschnellt, sobald der Querdruck, z.B. der Betätigungsdruck des Daumens wegfällt. Das Messer ist daher mit einem verhältnismäßig geringen Betätigungsdruck, d.h. verhältnismäßig ermüdungsarm, in seiner Schneidposition zu halten.Such a knife is known from the DE 2736395 , This knife has on a first housing broadside a slide longitudinal slot in which a motion-coupled with a blade holder actuating handle is guided. One of the first housing broad side opposite the second housing broadside has no actuating handle. By means of the actuating handle, the blade holder can be moved between a non-use position, in which the blade is completely inside the blade housing, and a cutting position, at which the blade exits an opening in the blade housing. A tension spring loads the blade holder into the non-use position. In the cutting position, the actuating handle engages in a locking step. The tension spring force acting indirectly on the knife blade is largely neutralized by the engagement of the actuating handle on the locking step. The tension spring force, however, causes the knife blade to snap back into the protected rest position as soon as the transverse pressure, for example the actuation pressure of the thumb, disappears. The knife is therefore with a relatively low operating pressure, ie relatively fatigue, to keep in its cutting position.

Ein die Klingenaustrittsöffnung umgebender vorderer Messergehäuserand ist zu einer Klingenvorschubrichtung geneigt ausgebildet, wobei sich der Messergehäuserand von der Messerschneidenvorderseite weg nach hinten erstreckt. Auf diese Weise kann das Messer während des Schnitts ergonomisch in einem stumpfen Winkel zum Schneidgut gehalten werden, ohne dass der Messergehäuserand beim Schnitt auf dem Schneidmaterial aufsetzt und die Schnittführung behindert.A front blade housing edge surrounding the blade exit opening is inclined to a blade advance direction, the knife housing edge extending rearwardly away from the knife edge front side. In this way, the knife can be ergonomically held at an obtuse angle to the material to be cut during the cut, without the knife housing edge resting on the cutting material during cutting and hindering the cutting guide.

Ein ähnliches Messer ist auch unter der Bezeichnung "Profi" im Gesamtkatalog der Firma MARTOR KG, Solingen, Januar 2002, auf den Seiten 14 bis 21 in unterschiedlichen Ausführungsformen dargestellt. Das Messer weist an einer Messergehäusebreitseite einen Schieberlängsschlitz auf, in welchem ein Bedienansatz geführt ist, der die Klingenhalterung betätigt. An dem klingenaustrittsseitigen Ende ist das Messergehäuse in einem stumpfen Winkel zur Klingenvorschubrichtung abgeschrägt. Das Messer für Linkshänder weist den Bedienansatz an der anderen Gehäusebreitseite auf, ist also spiegelverkehrt ausgebildet. Es müssen also zwei verschiedene Messerformen für Rechts- und für Linkshänder gefertigt werden.A similar knife is also called "professional" in the Complete catalog of the company MARTOR KG, Solingen, January 2002, on pages 14 to 21 shown in different embodiments. The knife has a slide longitudinal slot on a blade housing side, in which an operating lug is guided, which operates the blade holder. At the blade exit end, the blade housing is chamfered at an obtuse angle to the blade advance direction. The knife for left-handers has the operating approach on the other side of the housing, so it is mirror-inverted. So it must be made two different knife shapes for right and for left-handers.

Darüber hinaus werden derartige Sicherheitsmesser je nach Anwendungsfall mit unterschiedlichen Klingenaustrittslängen angeboten. Die Messer mit den verschiedenen Klingenaustrittslängen werden jeweils für Rechts- und für Linkshänder angeboten. Es wird daher eine große Anzahl an Messern gefertigt, was einen hohen technischen und organisatorischen Aufwand zur Folge hat, der sich auf die Kosten auswirkt.In addition, such safety knives are offered depending on the application with different blade exit lengths. The knives with the different blade exit lengths are available for right and left-handers. It is therefore made a large number of knives, which has a high technical and organizational effort result, which affects the cost.

Aus dem Stand der Technik sind des weiteren Messer bekannt, die sowohl von Rechts- als auch von Linkshändern verwendbar sind. Solche Messer weisen beispielsweise an beiden Gehäusebreitseiten einen Schieberlängsschlitz für einen Bedienansatz auf. Nachteilig bei diesen Messern ist jedoch, dass die zweite Betätigungshandhabe einen zusätzlichen Fertigungsaufwand darstellt.Furthermore, knives are known from the prior art which can be used both by right-handed and by left-handers. Such knives have, for example, on both sides of the housing a slide longitudinal slot for a control approach. A disadvantage of these knives, however, is that the second actuating handle represents an additional manufacturing effort.

Des Weiteren sind aus dem Gesamtkatalog der Firma MARTOR KG, Solingen, Januar 2002, auf den Seiten 180 und 181 Messer mit der Bezeichnung "Cuttex" bekannt. Die Messer sind mit einer Abbrechklinge versehen, welche Sollbruchlinien aufweist. Die Klingenhalterung ist im Messergehäuse verschiebbar geführt und mit einem Rastelement versehen, welches mit in Klingenvorschubrichtung einseitig am Gehäuse angeordneten Aussparungen verrastbar ist. Durch Verrasten des Rastelements wird die Klingenhalterung und damit auch die Klinge in einer bestimmten Rastposition, beispielsweise der Schneidposition in welcher die Klinge aus einem Klingenaustrittsspalt herausragt, fest arretiert. Um die Klinge in eine Nichtgebrauchsposition zu bewegen, muss das Rastelement aus der Aussparung gelöst und die Klinge in das Gehäuse zurückgezogen werden. Es handelt sich bei diesem Messer somit nicht um ein Sicherheitsmesser, bei welchen die Klinge automatisch in das Messergehäuse zurückbewegt wird, sobald der Druck auf den Bedienansatz nachlässt bzw. eine Schneidreaktionskraft auf die Klinge entfällt.Furthermore, from the complete catalog of the company MARTOR KG, Solingen, January 2002, on pages 180 and 181 knives with the name "Cuttex" known. The knives are provided with a snap-off blade, which has predetermined breaking lines. The blade holder is guided displaceably in the blade housing and provided with a latching element which can be latched with recesses arranged in the blade feed direction on one side of the housing. By locking the locking element, the blade holder and thus the blade in a certain locking position, for example, the cutting position in which the blade protrudes from a blade outlet gap, firmly locked. In order to move the blade to a non-use position, the detent element must be released from the recess and the blade retracted into the housing. Thus, this knife is not a safety knife, in which the blade is automatically moved back into the blade housing as soon as the pressure on the operating approach subsides or a cutting reaction force on the blade is eliminated.

Ein vorderer den Klingenaustrittsspalt umgebender Messergehäuserand des Messers weist einen ersten Bereich auf, der zur Messerklingenvorschubrichtung geneigt ist und sich von einer Messerschneidenvorderseite weg nach hinten erstreckt. Auf diese Weise wird verhindert, dass beim Schnitt das Messergehäuse auf dem Schneidgut aufsetzt und den Schnitt behindert. Ein anderer zweiter Bereich des vorderen Messergehäuserands ist parallel zu den Sollbruchlinien der Klingensegmente geneigt. Es ist damit auf einfache Weise möglich, ein verbrauchtes stumpfes Klingensegment abzubrechen und anschließend ein neues ungebrauchtes Klingensegment in die Schneidposition zu bewegen. Der parallel zu der Sollbruchlinie ausgebildete zweite Bereich des vorderen Messergehäuserands dient beim Abbrechen der Messerklinge als Anlagekante für die Klinge. Es muss daher kein Werkzeug zum Abbrechen der stumpfen Klinge zur Hilfe genommen werden.A front blade edge edge of the blade surrounding the blade exit nip has a first portion which is inclined to the knife blade advance direction and extends rearwardly away from a knife edge forward side. In this way it is prevented that the knife housing sits on the cutting material during cutting and obstructs the cut. Another second area of the front knife housing edge is inclined parallel to the predetermined breaking lines of the blade segments. It is thus easily possible to cancel a spent blunt blade segment and then move a new unused blade segment in the cutting position. The trained parallel to the predetermined breaking line second region of the front Messergehäuserands serves when breaking the knife blade as a contact edge for the blade. There is no need to use a tool to cancel the blunt blade.

Ausgehend von der DE 2736395 ist es Aufgabe der Erfindung ein Messer zu schaffen, welches den Herstellungsaufwand verringert und dessen Anwendungsspektrum vergrößert ist.Starting from the DE 2736395 It is an object of the invention to provide a knife, which reduces the production cost and its range of applications is increased.

Die Aufgabe wird gelöst mit den Merkmalen des Anspruchs 1, insbesondere mit den kennzeichnenden Merkmalen.The object is achieved with the features of claim 1, in particular with the characterizing features.

Das Prinzip der Erfindung besteht darin, dass aufgrund der dachschrägenförmigen Messerfrontseite das Messer sowohl von Rechts- als auch von Linkshändern benutzbar ist, indem die Klinge in zwei unterschiedlichen Positionen in die Klingenhalterung einsetzbar ist. Zudem können mittels des verstellarretierbaren Anschlagelements die Maximal-Vorschubpositionen der Klingenhalterung eingestellt und auf diese Weise mit demselben Messer unterschiedliche Klingenaustrittslängen erreicht werden.The principle of the invention is that due to the sloping blade front side, the knife is usable by both right and left-handers by the blade can be used in two different positions in the blade holder. In addition, the maximum feed positions of the blade holder can be adjusted by means of the adjustable stop element and thus different blade exit lengths can be achieved with the same knife.

Der Vorteil der Erfindung besteht darin, dass der Fertigungsaufwand erheblich reduziert wird, da nicht mehr separate, spiegelbildlich ausgebildete Messer für Rechts- und Linkshänder produziert werden müssen. Auch ein weiterer Schieberlängsschlitz mit Bedienansatz für die Klingenhalterung an der zweiten Messergehäuseseite muss nicht vorgesehen sein. Bei solchen Messern können nämlich aufgrund des zusätzlichen Schieberlängsschlitzes vermehrt Verunreinigungen in den Innenraum des Messergehäuses eindringen und die Funktion des Messers beeinträchtigen. Darüber hinaus ist es nicht mehr notwendig, Messer mit unterschiedlichen Klingenaustrittslängen zu produzieren. Mit dem erfindungsgemäßen Messer ist die Klingenaustrittslänge einstellbar.The advantage of the invention is that the production cost is considerably reduced, since no longer separate, mirror-image designed knives for right and left-handers must be produced. Also, another slide longitudinal slot with operating approach for the blade holder on the second blade housing side need not be provided. In fact, in such knives, due to the additional slide longitudinal slot, more contaminants can penetrate into the interior of the knife housing and impair the function of the knife. In addition, it is no longer necessary to produce knives with different blade exit lengths. With the knife according to the invention, the blade exit length is adjustable.

Zudem gewährleistet das erfindungsgemäße Messer gegenüber Messern mit beidseitigem Bedienansatz eine komfortable Handhabbarkeit. Die Bewegung des zusätzlichen Bedienansatzes kann bei den Messern mit beidseitigem Bedienansatz durch die das Messergehäuse umschließende Handfläche behindert werden. Darüber hinaus können der zusätzliche Bedienansatz sowie der zusätzliche Schieberlängsschlitz das feste Umschließen des Messers mit der Handfläche beeinträchtigen. Das erfindungsgemäße Messer überwindet diese Nachteile und ist dennoch für Rechts- und Linkshänder verwendbar. Des Weiteren bietet das erfindungsgemäße Messer eine größere Gestaltungsfreiheit bei der Formgebung des Messers, denn ein zusätzlicher Bedienansatz schränkt die Gestaltungsfreiheit des Messers ein.In addition, the knife according to the invention ensures a comfortable handling compared to knives with a double-sided operating approach. The movement of the additional operating projection can be hindered in the knives with double-sided operating approach by the palm surrounding the knife housing. In addition, the additional operating lug as well as the additional slide longitudinal slot may interfere with tightly enclosing the knife with the palm of the hand. The knife according to the invention overcomes these disadvantages and is still usable for right and left-handers. Furthermore, the knife according to the invention offers greater design freedom in the shaping of the knife, because an additional operating approach restricts the design freedom of the knife.

Gemäß einer ersten Ausführungsform weist die Anschlagvorrichtung ein Anschlagelement auf, welches in der Bewegungsbahn der Klingenhalterung angeordnet ist. Da sich das Anschlagelement in der Bewegungsbahn der Klingenhalterung befindet, kann die Klingenhalterung nur bis zum Kontakt mit dem Anschlagelement bewegt werden. Ein unerwünschtes Vorschieben der Klingenhalterung über eine definierte Länge hinaus wird damit sicher verhindert.According to a first embodiment, the stop device on a stop element, which is arranged in the movement path of the blade holder. Since the stop member is in the path of movement of the blade holder, the blade holder can only be moved to contact the stop member. An undesirable advancement of the blade holder over a defined length addition is thus reliably prevented.

Gemäß einer weiteren Ausführungsform ist das Anschlagelement in Bewegungsrichtung der Klingenhalterung translatorisch verschiebbar. Das Anschlagelement kann beispielsweise parallel zur Bewegungsbahn der Klingenhalterung bewegbar sein. Wenn das Anschlagelement parallel zur Bewegungsbahn der Klingenhalterung geführt ist, kann durch ein Verschieben des Anschlagelements um einen bestimmten Betrag der maximale Klingenvorschub und damit die Klingenaustrittslänge um denselben Betrag verstellt werden. Der Betrag, um den das Anschlagelement verstellt wird kann also dem Betrag gleichen, um den sich die Austrittslänge der Klinge ändert. Die Verstellbarkeit des Anschlagelements kann zudem stufenlos sein.According to a further embodiment, the stop element is translationally displaceable in the direction of movement of the blade holder. The stop element may, for example, be movable parallel to the path of movement of the blade holder. If the stop element is guided parallel to the movement path of the blade holder, by moving the stop element by a certain amount, the maximum blade advance and thus the blade exit length can be adjusted by the same amount. The amount by which the stop element is adjusted so can equal the amount by which the exit length of the blade changes. The adjustability of the stop member may also be continuous.

Einer weiteren Ausgestaltung der Erfindung gemäß ist das Anschlagelement wenigstens mittelbar an dem Messergehäuse befestigt. Das Anschlagelement kann also direkt am Messergehäuse angebracht sein oder beispielsweise an einem Teil gehalten sein, das am Messergehäuse befestigt ist.According to a further embodiment of the invention, the stop element is attached at least indirectly to the blade housing. The stop element can thus be mounted directly on the blade housing or be held for example on a part which is fixed to the blade housing.

Gemäß einer weiteren Ausführungsform wirkt das Anschlagelement mit einer Haltevorrichtung zusammen, welche verstellbar ist zwischen einer Arretierposition, in welcher das Anschlagelement fest angeordnet ist und einer Löseposition, in welcher das Anschlagelement in unterschiedliche Positionen bewegbar ist. Mittels der Haltevorrichtung kann das Anschlagelement somit in unterschiedlichen Positionen befestigt und auch wieder gelöst werden.According to a further embodiment, the stop element cooperates with a holding device which is adjustable between a locking position in which the stop element is fixedly arranged and a release position in which the stop element is movable in different positions. By means of the holding device, the stop element can thus be secured in different positions and also released again.

Gemäß einer weiteren Ausführungsform weist die Haltevorrichtung ein Schraubelement auf, dessen Gewinde mit einem wenigstens mittelbar an dem Anschlagelement befestigten Gewinde zusammenwirkt. Mittels des Schraubelements ist es auf einfache Weise möglich, die Haltevorrichtung zwischen der Arretier- und der Löseposition zu verstellen, indem die Schraube in das Gewinde des Anschlagelements ein- bzw. aus diesem herausgedreht wird.According to a further embodiment, the holding device has a screw element, the thread of which cooperates with a thread fastened at least indirectly to the stop element. By means of the screw element, it is possible in a simple manner to adjust the holding device between the locking and the release position by the screw in the thread of the stop element on or is rotated out of this.

Gemäß einer weiteren Ausgestaltung der Erfindung durchgreift das Schraubelement ein wenigstens mittelbar dem Messergehäuse zugeordnetes Langloch mindestens teilweise. Das Schraubelement kann von den Innenkanten des Langlochs geführt sein. Auf diese Weise ist auch die Bewegung des Anschlagelements mittelbar durch die Innenkanten des Langlochs geführt. Darüber hinaus kann ein Langloch den Verstellbereich des Anschlagelements begrenzen.According to a further embodiment of the invention, the screw passes through an at least indirectly associated with the blade housing slot at least partially. The screw can be guided by the inner edges of the slot. In this way, the movement of the stop element is indirectly guided by the inner edges of the slot. In addition, a slot limit the adjustment of the stop element.

Gemäß einer weiteren Ausführungsform ist das Anschlagelement an Laibungen des Langlochs geführt. Das Anschlagelement muss somit nicht mittelbar über das Schraubelement geführt werden. Die mit den Innenkanten zusammenwirkenden Führungsflächen des Anschlagelements können plan ausgebildet sein. Das Anschlagelement kann damit sehr genau geführt werden. Die Führungsflächen des Anschlagelements können so ausgebildet sein, dass sie eine Verdrehsicherung des Anschlagelements bilden. Ein unbeabsichtigtes Verdrehen des Anschlagelements so auf einfache Weise verhindert werden.According to a further embodiment, the stop element is guided on soffits of the oblong hole. The stop element therefore does not have to be guided indirectly via the screw element. The cooperating with the inner edges of guide surfaces of the stop element may be formed flat. The stop element can thus be performed very accurately. The guide surfaces of the stop element may be formed so that they form an anti-rotation of the stop element. Inadvertent rotation of the stop element can be prevented in a simple manner.

Gemäß einer weiteren Ausführungsform wirkt das Anschlagelement mit dem Langloch benachbarten Wandflächen kraft- und/oder formschlüssig zusammen. Das Anschlagelement kann beispielsweise an Innenflächen des Messergehäuses oder eines am Messergehäuse befestigten Einsatzteils kraftschlüssig gehalten sein. Mittels einer Schraubbefestigung ist es auf einfache Weise möglich, eine Bewegung des Anschlagelements durch Kraftschluss zu verhindern. Ein Formschluss kann beispielsweise durch ein Strukturieren der korrespondierenden Oberflächen von Anschlagelement und Messergehäuse bzw. Einsatzteil erreicht werden. Durch Lösen der Haltevorrichtung kann das Anschlagelement quer zur Verstellrichtung aus dem Formschluss gelöst und anschließend verstellt werden.According to a further embodiment, the stop element cooperates with the elongated hole adjacent wall surfaces non-positively and / or positively. The stop element may be frictionally held, for example, on inner surfaces of the blade housing or of an insert part fastened to the blade housing. By means of a screw fastening, it is possible in a simple manner to prevent movement of the stop element by frictional connection. One Positive locking can be achieved for example by structuring the corresponding surfaces of stop element and blade housing or insert. By loosening the holding device, the stop element can be released transversely to the adjustment of the positive connection and then adjusted.

Einer weiteren Ausgestaltung der Erfindung gemäß ist dem Messergehäuse ein Einsatzteil zugeordnet. Das Einsatzteil kann an dem Messergehäuse befestigt und wieder gelöst werden. Dem Einsatzteil können bestimmte Messerfunktionen zugeordnet sein. Es ist z. B. möglich, dass ein Klingenwechsel durch Trennen von Messergehäuse und Einsatzteil durchführbar ist. Darüber hinaus kann zwischen Einsatzteil und Klingenhalterung eine Rückstellfeder angeordnet sein, welche die Klingenhalterung in die Nichtgebrauchsposition belastet, in der die Klinge für den Benutzer unzugänglich im Messergehäuse angeordnet ist. Auch das Langloch sowie Haltevorrichtung und Anschlagvorrichtung können am Einsatzteil angeordnet sein. Das Einsatzteil kann durch Verrastung am Messergehäuse gehalten sein.According to a further embodiment of the invention, the blade housing is associated with an insert part. The insert can be attached to the knife housing and released again. The insert can be assigned certain knife functions. It is Z. B. possible that a blade change by separating the blade housing and insert part is feasible. In addition, between the insert and the blade holder, a return spring may be arranged, which loads the blade holder in the non-use position, in which the blade is arranged inaccessible to the user in the blade housing. Also, the slot and holding device and stop device can be arranged on the insert part. The insert can be held by latching on the blade housing.

Einer weiteren Ausführungsform gemäß ist die Klingenhalterung in der Nichtgebrauchsposition kraft- und/oder formschlüssig am Einsatzteil gehalten. Auf diese Weise ist es leicht möglich, zum Klingenwechsel das Einsatzteil aus dem Messergehäuse zu entnehmen, ohne das Einzelteile des Messers verloren gehen können. Das Einsatzteil und die Klingenhalterung bilden eine Einheit, die geschlossen aus dem Messergehäuse entnommen werden kann.According to a further embodiment, the blade holder is non-positively and / or positively held on the insert in the non-use position. In this way, it is easily possible to remove the insert part of the blade housing for blade change without the items of the knife can be lost. The insert and the blade holder form a unit that can be removed from the knife housing closed.

Weitere Vorteile ergeben sich aus den nicht zitierten Unteransprüchen sowie anhand der nachfolgenden Beschreibung eines in den Zeichnungen dargestellten Ausführungsbeispiels. Es zeigen:

  • Fig. 1 eine schematische Seitenansicht des erfindungsgemäßen Messers in Schneidposition für Rechtshänder,
  • Fig. 2 eine Schnittdarstellung des erfindungsgemäßen Messers gemäß Schnittlinie II-II in Fig. 1,
  • In Anlehnung an Fig. 1 eine Seitenansicht des Messers in Nichtgebrauchsposition,
  • Fig. 4 eine Schnittdarstellung gemäß Schnittlinie IV-IV in Fig. 3,
  • Fig. 5 eine schematische Seitenansicht des erfindungsgemäßen Messers, wobei die Klinge zur Verwendung des Messers von Linkshändern gegenüber dem Messer gemäß Fig. 1 spiegelverkehrt eingesetzt ist und
  • Fig. 6 in Anlehnung an Fig. 1 eine Darstellung des erfindungsgemäßen Messers mit zwei unterschiedlichen Positionen des Anschlagelements.
Further advantages will be apparent from the non-cited subclaims and with reference to the following description of an embodiment shown in the drawings. Show it:
  • 1 is a schematic side view of the knife according to the invention in cutting position for right-handed,
  • 2 is a sectional view of the knife according to the invention along section line II-II in Fig. 1,
  • 1 is a side view of the knife in non-use position,
  • 4 is a sectional view taken along section line IV-IV in Fig. 3,
  • Fig. 5 is a schematic side view of the knife according to the invention, wherein the blade for use of the knife by left-handers against the knife of FIG. 1 is inserted mirror-inverted and
  • Fig. 6 based on Fig. 1 is an illustration of the knife according to the invention with two different positions of the stop element.

In den Zeichnungen ist ein Messer insgesamt mit der Bezugsziffer 10 bezeichnet. Gleiche Bezugsziffern in den unterschiedlichen Figuren bezeichnen entsprechende Teile.In the drawings, a knife is generally designated by the reference numeral 10. Like reference numerals in the different figures indicate corresponding parts.

Das Messer 10 weist ein Messergehäuse 11 sowie eine in einer Klingenhalterung 12 aufgenommenen Klinge 13 auf. An einem vorderen Ende V ist das Messergehäuse 11 mit einem Spalt 14 für den Austritt der Klinge 13 versehen. Die Laibungen des Spalts 14 bilden einen vorderen Gehäuserand 15, welcher im Bereich der Längsmittelachse M des Messergehäuses 11 vorragt und eine vordere Spitze 16 des Messergehäuses 11 bildet. Zu Messerschmalseiten S1, S2 hin fällt der Gehäuserand 15 dachförmig in Richtung eines hinteren Messerendes H in einem stumpfen Winkel α zur Längsmittelachse M ab. Das Messergehäuse 11 ist an der Messergehäuseseite 37 mit einem Schieberlängsschlitz 17 versehen, indem ein Betätigungsansatz 18 für die Klingenhalterung 12 geführt ist. Die Klingenhalterung 12 ist in einem Aufnahmekanal A des Messergehäuses 11 translatorisch beweglich geführt, so dass sie zwischen einer in Fig. 2 dargestellten Nichtgebrauchsposition und einer in Fig. 1 dargestellten Schneidposition bewegbar ist. In der Schneidposition ist die Klingenhalterung 12 in die jeweils eingestellte maximale Vorschubposition bewegt, in welcher die Klinge 13 aus dem Gehäusespalt 14 herausragt. In der Nichtgebrauchsposition ist die Klinge 13 vollständig im Aufnahmekanal A für einen Benutzer des Messers 10 unzugänglich angeordnet, so dass kein Verletzungsrisiko besteht.The knife 10 has a knife housing 11 and a blade 13 received in a blade holder 12. At a front end V, the blade housing 11 is provided with a gap 14 for the exit of the blade 13. The soffits of the gap 14 form a front housing edge 15, which projects in the region of the longitudinal center axis M of the cutter housing 11 and forms a front tip 16 of the cutter housing 11. At the narrow edges S1, S2 towards the housing edge 15 falls roof-shaped in the direction of a rear knife end H at an obtuse angle α to the longitudinal central axis M. The blade housing 11 is provided on the blade housing side 37 with a slider longitudinal slot 17 by an actuating projection 18 is guided for the blade holder 12. The blade holder 12 is guided translationally movable in a receiving channel A of the blade housing 11, so that it is movable between a non-use position shown in Fig. 2 and a cutting position shown in Fig. 1. In the cutting position, the blade holder 12 is moved to the respectively set maximum feed position, in which the blade 13 protrudes from the housing gap 14. In the non-use position, the blade 13 is completely disposed in the receiving channel A inaccessible to a user of the knife 10, so that there is no risk of injury.

Die Klingenhalterung 12 weist eine Grundplatte 21 sowie eine schwenkbar an der Grundplatte 21 gehaltene Abdeckplatte 22 auf. Die Messerklinge 13 ist zwischen Grundplatte 21 und Abdeckplatte 22 formschlüssig befestigt, indem in bekannter Weise an der Abdeckplatte 22 angeformte Zapfen Aussparungen in der Messerklinge 13 durchgreifen.The blade holder 12 has a base plate 21 and a pivotally mounted on the base plate 21 cover plate 22. The knife blade 13 is positively secured between the base plate 21 and cover plate 22 by passing through recesses formed in the knife blade 13 in a known manner on the cover plate 22.

Die Klingenhalterung 12 ist seitlich von Innenwandflächen 19 und 20 des Aufnahmekanals A geführt. Grundplatte 21 und Abdeckplatte 22 können daher nicht voneinander entfernt werden, solange die Klingenhalterung 12 im Aufnahmekanal A des Messergehäuses 11 aufgenommen ist. Die Klinge 13 ist somit sicher zwischen Grundplatte 21 und Abdeckplatte 22 gehalten. Erst wenn die Klingenhalterung 12 aus dem Gehäuse 11 entnommen wird, ist ein Abklappen der Abdeckplatte 22 von der Grundplatte 21 möglich, so dass die Klinge 13 entnommen werden kann.The blade holder 12 is laterally guided by inner wall surfaces 19 and 20 of the receiving channel A. Base plate 21 and cover plate 22 can therefore not be removed from each other as long as the blade holder 12 is received in the receiving channel A of the blade housing 11. The blade 13 is thus securely held between the base plate 21 and cover plate 22. Only when the blade holder 12 is removed from the housing 11, a folding of the cover plate 22 of the base plate 21 is possible, so that the blade 13 can be removed.

Eine nicht dargestellte Schraubenzugfeder ist mit ihrem einen Ende an der Klingenhalterung und mit ihrem anderen Ende an einem Einsatzteil 23 gehalten. Die Klingenhalterung 12 wird von der Zugfeder in die Ruheposition in Richtung x2 belastet. Das Einsatzteil 23 kann von einem rückwärtigen Ende H in das Messergehäuse 11 eingeschoben und verrastet werden. Zum Klingenwechsel kann es gelöst und aus dem Messergehäuse 11 herausgezogen werden.A coil spring, not shown, is held with its one end to the blade holder and with its other end to an insert part 23. The blade holder 12 is loaded by the tension spring in the rest position in the direction x2. The insert member 23 can be inserted from a rear end H in the blade housing 11 and locked. For blade replacement, it can be solved and pulled out of the blade housing 11.

Dem Einsatzteil 23 ist eine verstellarretierbare Anschlagvorrichtung 24 zugeordnet. Ein Anschlagelement 28 der verstellarretierbaren Anschlagvorrichtung 24 ist in der Bewegungsbahn der Klingenhalterung 12 angeordnet. Das Einsatzteil 23 weist ein Langloch 25 auf, dessen Innenkanten 26 Führungsflächen für Außenkanten 27 eines mittleren in das Langloch 25 vorragenden Bereichs 39 des Anschlagelements 28 bilden. Mittels eines Schraubelements 29 kann das Anschlagelement 28 gegen eine Innenwandfläche 30 des Einsatzteils 23 verspannt und somit kraftschlüssig in unterschiedlichen Positionen des Längsschlitzes befestigt und wieder gelöst werden. Der vorragende Bereich 39 des Anschlagelements 28 wirkt mit den Innenkanten 26 in Form einer Verdrehsicherung zusammen, so dass sich das Anschlagelement 28 beim Lösen des Schraubelements 29 nicht drehen kann.The insert 23 is assigned a verstellarretierbare stop device 24. A stop element 28 of the adjustable stop device 24 is arranged in the path of movement of the blade holder 12. The insert part 23 has a slot 25 whose inner edges 26 form guide surfaces for outer edges 27 of a central region 39 of the stop element 28 projecting into the slot 25. By means of a screw element 29, the stop element 28 can be braced against an inner wall surface 30 of the insert part 23 and thus fixed in a non-positive manner in different positions of the longitudinal slot and released again. The projecting portion 39 of the stopper member 28 cooperates with the inner edges 26 in the form of a rotation, so that the stopper member 28 when loosening the screw 29 can not rotate.

Die Klingenhalterung 12 weist eine Schulter 31 mit einer Kontaktfläche 32 auf. Mittels des Bedienansatzes 18 ist die Klingenhalterung 12 aus der Ruheposition translatorisch in Richtung x1 bewegbar, bis die Kontaktfläche 32 der Schulter 31 mit einer Anschlagfläche 33 des Anschlagelements 28 in Kontakt gerät.The blade holder 12 has a shoulder 31 with a contact surface 32. By means of the operating lug 18, the blade holder 12 is translationally movable in the direction x1 from the rest position until the contact surface 32 of the shoulder 31 comes into contact with a stop surface 33 of the stop element 28.

Ein Verstellen der maximalen Vorschubposition ist möglich, indem zunächst das Schraubelement 29 mittels eines Schraubenkopfes 40 soweit aus dem Anschlagelement 28 herausgedreht wird, bis die kraftschlüssige Klemmverbindung zwischen dem Anschlagelement 28 und der Innenwand 30 des Einsatzteils 23 aufgehoben ist. Das Schraubelement 29 wird aber nicht vollständig von dem Anschlagelement 29 gelöst, so dass das Schraubelement 29 mit samt dem Anschlagelement 28 translatorisch in die Richtungen x1, x2 verschiebbar ist. Nach dem Verschieben des Anschlagelementes 28 in die gewünschte Position wird das Schraubelement 29 wieder in das Anschlagelement 28 eingedreht, bis das Anschlagelement 28 kraftschlüssig an der Innenwand 30 des Einsatzteils 23 befestigt ist und nicht mehr bewegt werden kann. Die Anschlagfläche 33 des Anschlagelements 28 bildet damit einen festen Anschlag für die Kontaktfläche 32 der Klingenhalterung 12 und die Klingenhalterung 12 ist nur soweit vorschiebbar bis die Kontaktfläche 32 an der Anschlagfläche 33 zur Anlage gekommen ist.An adjustment of the maximum feed position is possible by first the screw element 29 by means of a screw head 40 as far out of the stop member 28 is rotated until the frictional clamping connection between the stop member 28 and the inner wall 30 of the insert member 23 is repealed. However, the screw element 29 is not completely released from the stop element 29, so that the screw element 29 together with the stop element 28 translationally in the directions x1, x2 is displaceable. After moving the stop element 28 in the desired position, the screw 29 is screwed back into the stop element 28 until the stop member 28 is frictionally attached to the inner wall 30 of the insert member 23 and can not be moved. The stop surface 33 of the stop element 28 thus forms a fixed stop for the contact surface 32 of the blade holder 12 and the blade holder 12 is only as far advancing until the contact surface 32 has come to rest on the stop surface 33.

Wenn der Bedienansatz 18 in die vorderste Position bewegt wird, in welcher die Schulter 31 der Klingenhalterung 12 an der Kontaktfläche 32 des Anschlagelements anschlägt (siehe Fig. 2), ist die jeweils eingestellte maximale Klingenaustrittslänge der Klinge 13 erreicht. Wird gemäß Fig. 6 das Anschlagelement 28 aus der Position P1 um einen Betrag I in Richtung x1 in die durch eine unterbrochene Linie angedeutete Position P2 bewegt, so wird die Klingenaustrittslänge K1 ebenfalls um den Betrag I vergrößert, so dass sich eine Klingenaustrittslänge K2 ergibt.When the operating projection 18 is moved to the foremost position in which the shoulder 31 of the blade holder 12 abuts against the contact surface 32 of the stop element (see FIG. 2), the respective set maximum blade exit length of the blade 13 is reached. If, according to FIG. 6, the stop element 28 is moved from the position P1 by an amount I in the direction x1 into the position P2 indicated by a broken line, the blade exit length K1 is likewise increased by the amount I so that a blade exit length K2 results.

Rechtshänder betätigen den Bedienansatz 18 gemäß Fig. 1 mit dem Daumen der rechten Hand, während die übrigen Finger der rechten Hand bzw. die Handinnenfläche die gegenüberliegende Messergehäuseseite 34 umgreifen, welche dabei eine im Wesentlichen ebene, ergonomische Handanlagefläche bildet. Der geneigte Randbereich 35 an der Frontseite V des Messergehäuses 11 verhindert, dass bei schräg gehaltenem Messer 10 die untere Schmalseite S2 des Messers 10 im vorderen Bereich V mit dem Schnittgut in Kontakt gerät und die Schnittführung behindert.Right-handed operators operate the operating projection 18 according to FIG. 1 with the thumb of the right hand, while the remaining fingers of the right hand or the palm of the hand surround the opposite blade housing side 34, which forms a substantially flat, ergonomic hand-applied surface. The inclined edge region 35 on the front side V of the blade housing 11 prevents the lower narrow side S2 of the blade 10 from coming into contact with the cut material when the blade 10 is held at an angle and obstructing the cutting guide.

Gemäß Fig. 3 ist die Klinge 13 bezüglich des in Fig. 1 dargestellten Messers 10 spiegelverkehrt in die Klingenhalterung 12 eingesetzt, so dass das Messer von Linkshändern verwendbar ist. Der Bedienungsansatz 18 wird vom Daumen der linken Hand betätigt und das Messergehäuse 11 von den übrigen Fingern der linken Hand umgriffen. Der zweite geneigte Randbereich 36 an der Frontseite V des Messergehäuses 11 ermöglicht nun die Schnittführung bei schräg gehaltenem Messer 10 auch für Linkshänder, ohne dass die untere Schmalseite S1 auf dem Schnittgut aufsetzt und die Schnittführung beeinträchtigt.According to FIG. 3, the blade 13 is inserted mirror-inverted with respect to the blade 10 shown in FIG. 1 into the blade holder 12, so that the blade can be used by left-handers. The operation kit 18 is operated by the thumb of the left hand and the blade housing 11 embraced by the remaining fingers of the left hand. The second inclined edge portion 36 on the front side V of the blade housing 11 now allows the cutting guide obliquely held knife 10 for left-handers without the lower narrow side S1 touches on the clippings and affects the cut.

Es sei noch erwähnt, dass am Einsatzteil 23 auf beiden Seiten des Langlochs 25 eine Strichteilung 38 vorgesehen ist, die das Einstellen definierter Positionen des Anschlagelements 28 erleichtert.It should be noted that on the insert part 23 on both sides of the slot 25 a Strichteilung 38 is provided which facilitates the setting of defined positions of the stop element 28.

Claims (11)

Messer für auswechselbare Stahlband-Einzelklingen, wie für Trapez- und Rechteckklingen, mit einem Messergehäuse (11) und mit einer im Messergehäuse (11) aufgenommenen Klingenhalterung (12), welche mittels eines auf einer Messergehäusebreitseite (37) angeordneten Betätigungsansatzes (18), der in einem Gehäuselängsschlitz (17) des Messergehäuses (11) geführt ist, über mindestens einen begrenzten Bereich in Messerlängsrichtung nach vorne (x1) in eine Schneidposition und zurück (x2) mittels Federrückstellkraft in eine Nichtgebrauchsposition führbar ist, bei welcher sich die Messerklinge (13) gänzlich im Innern des Messergehäuses (11) befindet, wobei eine dem Gehäuselängsschlitz (17) abgewandte Messergehäusebreitseite (34) als Handanlagefläche ausgebildet ist und wobei sich ein von einem vorderen Gehäuserand (15) begrenzter Messerklingenaustrittsspalt (14) geneigt zur Messerklingenvorschubrichtung (x1) von der Messerschneidenvorderseite weg nach hinten erstreckt, dadurch gekennzeichnet, dass der den Messerklingenaustrittsspalt (14) begrenzende vordere Gehäuserand (15) im Bereich der Längsmittelachse (11) vorragt und zu beiden Messerschmalseiten (S1, S2) in einem stumpfen Winkel (α) zur Längsmittelachse (11) dachförmig geneigt ist und wobei das Messer (10) eine verstellbare und in unterschiedlichen Positionen (P1, P2) arretierbare Anschlagvorrichtung (24) für die Klingenhalterung (12) aufweist, mittels welcher die Klingenaustrittslänge (K1, K2) einstellbar ist.Knife for interchangeable steel strip single blades, as for trapezoidal and rectangular blades, with a blade housing (11) and with a blade housing (11) received blade holder (12) which by means of a knife housing on a broadside (37) arranged actuating lug (18) in a housing longitudinal slot (17) of the blade housing (11) is guided over at least a limited range in the knife longitudinal direction to the front (x1) in a cutting position and back (x2) by spring restoring force in a non-use position, in which the knife blade (13) is located entirely inside the blade housing (11), wherein a blade housing broadside (34) facing away from the housing longitudinal slot (17) is formed as a hand bearing surface and wherein a knife blade exit gap (14) bounded by a front housing edge (15) is inclined to the knife blade advance direction (x1) of the Knife edge front side extends backwards, therefor ch characterized in that the knife blade exit gap (14) delimiting the front housing edge (15) in the region of the longitudinal central axis (11) protrudes and to both narrow sides of the knife (S1, S2) at an obtuse angle (α) to the longitudinal central axis (11) inclined roof-shaped and wherein the knife (10) has an adjustable stop device (24), which can be locked in different positions (P1, P2), for the blade holder (12), by means of which the blade outlet length (K1, K2) can be adjusted. Messer nach Anspruch 1, dadurch gekennzeichnet, dass die Anschlagvorrichtung (24) ein Anschlagelement (28) aufweist, welches in der Bewegungsbahn der Klingenhalterung (12) angeordnet ist.Knife according to claim 1, characterized in that the stop device (24) has a stop element (28) which is arranged in the movement path of the blade holder (12). Messer nach Anspruch 2, dadurch gekennzeichnet, dass das Anschlagelement (28) in Bewegungsrichtung (x1, x2) der Klingenhalterung (12) translatorisch verschiebbar ist.Knife according to claim 2, characterized in that the stop element (28) is translationally displaceable in the direction of movement (x1, x2) of the blade holder (12). Messer nach Anspruch 2 oder nach Anspruch 3, dadurch gekennzeichnet, dass das Anschlagelement (28) wenigstens mittelbar an dem Messergehäuse (11) befestigt ist.Knife according to claim 2 or claim 3, characterized in that the stop element (28) is at least indirectly fixed to the blade housing (11). Messer nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass das Anschlagelement (28) mit einer Haltevorrichtung (29) zusammenwirkt, welche verstellbar ist zwischen einer Arretierposition, in welcher das Anschlagelement fest angeordnet ist und einer Löseposition, in welcher das Anschlagelement (28) in unterschiedliche Positionen (P1, P2) bewegbar ist.Knife according to one of claims 2 to 4, characterized in that the stop element (28) cooperates with a holding device (29) which is adjustable between a locking position in which the stop element is fixedly disposed and a release position in which the stop element (28 ) is movable in different positions (P1, P2). Messer nach Anspruch 5, dadurch gekennzeichnet, dass die Haltevorrichtung ein Schraubelement (29) aufweist, dessen Gewinde mit einem wenigstens mittelbar an dem Anschlagelement (28) befestigten Gewinde zusammenwirkt.Knife according to claim 5, characterized in that the holding device has a screw element (29), the thread of which cooperates with a thread fastened at least indirectly to the stop element (28). Messer nach Anspruch 6, dadurch gekennzeichnet, dass das Schraubelement (29) ein wenigstens mittelbar dem Messergehäuse (11) zugeordnetes Langloch (25) mindestens teilweise durchgreift.Knife according to claim 6, characterized in that the screw element (29) at least indirectly at least indirectly to the blade housing (11) associated slot (25) passes through at least partially. Messer nach Anspruch 7, dadurch gekennzeichnet, dass das Anschlagelement (28) mit dem Langloch (25) benachbarten Wandflächen (30) kraft- oder / und formschlüssig zusammenwirkt.Knife according to claim 7, characterized in that the stop element (28) with the slot (25) adjacent wall surfaces (30) non-positively and / or positively cooperates. Messer nach Anspruch 7 oder nach Anspruch 8, dadurch gekennzeichnet, dass das Anschlagelement (28) an Laibungen (26) des Langlochs (25) geführt ist.Knife according to claim 7 or claim 8, characterized in that the stop element (28) is guided on soffits (26) of the oblong hole (25). Messer, dadurch gekennzeichnet, dass dem Messergehäuse (11) ein Einsatzteil (23) zugeordnet ist.Knife, characterized in that the blade housing (11) is associated with an insert part (23). Messer nach Anspruch 10, dadurch gekennzeichnet, dass die Klingenhalterung (12) in der Nichtgebrauchsposition kraft- und / oder formschlüssig am Einsatzteil (23) gehalten ist.Knife according to claim 10, characterized in that the blade holder (12) is non-positively and / or positively held on the insert part (23) in the non-use position.
EP06023593A 2005-11-29 2006-11-14 Knife Not-in-force EP1790441B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005057213A DE102005057213B3 (en) 2005-11-29 2005-11-29 Cutter for individual changeable steel strip blades has front end of housing round blade gap projecting and at obtuse angle to central longitudinal axis

Publications (2)

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EP1790441A1 true EP1790441A1 (en) 2007-05-30
EP1790441B1 EP1790441B1 (en) 2008-03-26

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JP (1) JP2007144196A (en)
CN (1) CN100588514C (en)
AT (1) ATE390253T1 (en)
AU (1) AU2006244643B2 (en)
DE (1) DE102005057213B3 (en)
ES (1) ES2304042T3 (en)
HK (1) HK1105390A1 (en)

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Also Published As

Publication number Publication date
CN101011826A (en) 2007-08-08
CN100588514C (en) 2010-02-10
US7647702B2 (en) 2010-01-19
US20070119056A1 (en) 2007-05-31
ATE390253T1 (en) 2008-04-15
DE102005057213B3 (en) 2007-03-22
EP1790441B1 (en) 2008-03-26
AU2006244643A1 (en) 2007-06-14
HK1105390A1 (en) 2008-02-15
AU2006244643B2 (en) 2012-09-27
JP2007144196A (en) 2007-06-14
ES2304042T3 (en) 2008-09-01

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