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EP1263552A1 - Handle for a two-limbed tool - Google Patents

Handle for a two-limbed tool

Info

Publication number
EP1263552A1
EP1263552A1 EP01909790A EP01909790A EP1263552A1 EP 1263552 A1 EP1263552 A1 EP 1263552A1 EP 01909790 A EP01909790 A EP 01909790A EP 01909790 A EP01909790 A EP 01909790A EP 1263552 A1 EP1263552 A1 EP 1263552A1
Authority
EP
European Patent Office
Prior art keywords
handle
pliers
softer
joint
area
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
EP01909790A
Other languages
German (de)
French (fr)
Other versions
EP1263552B1 (en
Inventor
Andreas Dierolf
Karl Lieser
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.)
Adolf Wuerth GmbH and Co KG
Original Assignee
Adolf Wuerth GmbH and Co 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 Adolf Wuerth GmbH and Co KG filed Critical Adolf Wuerth GmbH and Co KG
Publication of EP1263552A1 publication Critical patent/EP1263552A1/en
Application granted granted Critical
Publication of EP1263552B1 publication Critical patent/EP1263552B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape

Definitions

  • the grip shell is produced as a separate component made of plastic, which is subsequently pushed onto the pliers leg and connected to it.
  • Pliers are also known in which the handles are injection molded from a relatively hard plastic material.
  • the invention has for its object to further develop a handle for a two-legged tool in ergonomic terms.
  • the invention proposes a handle with the features of claim 1 and / or with the features of claim 2. Further developments of the invention are the subject of the dependent claims, the wording of which, like the wording of the abstract, is made by reference to the content of the description. Pliers are used for various activities. They serve not only to hold objects, but also to move, reorient or even carry the objects held. While in the known pliers handles, which are injection molded from plastic, the sprue point is arranged at the free end of the handle, these points are now moved to the opposite ends of the handles. When a user pushes with the pliers, the end of the pliers can rest on his palm or palm. The fact that the sprue is no longer at this point improves the use of the pliers considerably.
  • the inside of the handle facing the respective other handle has a harder surface than the area with the softer surface. At these points, the user only attacks to open the tool, ie only with little force, so that a softer surface does not bring any particular advantages. In a further development of the invention it can be provided that the areas of different surface hardness also have different colors.
  • the area with the softer surface may be sufficient to provide the area with the softer surface only on the parts of the handle where the user's hand is particularly stressed. According to the invention, however, it can also be advantageously provided that the area with the softer surface extends in the longitudinal direction of the handle from the handle end assigned to the joint to the free end of the handle.
  • the handle end assigned to the joint can, for example, have a broadening of the cross section which marks a clear end of that part of the handle which the user engages, even if the molded part of the pliers leg made of plastic extends a little further. This widening usually serves as anti-slip protection and is often referred to as a handle head.
  • the area with the softer surface also at least partially includes the flat sides of the handle.
  • the areas with the different surface hardness can be produced by focusing on the area of the
  • a coating of softer material is applied in a second operation.
  • the coating can be relatively thin.
  • the sprue which will still be visible even with the most careful processing, is used to make a marking, which is in particular a raised one Mark can act.
  • This can be used to identify the type of pliers, the manufacturer or the like. In particular, it is designed in such a way that it is not destroyed even after long use of the pliers, as would be the case if it were printed on.
  • the handle of the two-legged tool can have a marking in the surface area with the softer surface, which is formed by parts of the core of the handle, which consists of harder material, remaining there than raised parts the softer material is splashed around. The surface of these raised parts is flush with the softer surface. This creates a permanent mark that is retained even after the tool has been used for a long time.
  • the coating with the softer material takes place by injection from the end of the handle assigned to the joint, wherein the injection can preferably take place through a gap in the handle.
  • This gap can take place, for example, on the outside of the corresponding handle leg facing away from the other handle.
  • a marking which can be raised or recessed, is injection molded onto the end of the handle associated with the joint.
  • Figure 1 is a schematic side view of a handle molded around a pliers leg after a first step.
  • Figure 2 shows the same view after a further step.
  • Fig. 3 is a section along line III-III in Fig. 2;
  • Fig. 4 is a view of the handle leg from the right in
  • FIG. 5 shows an enlarged section corresponding to FIG. 3 in a modified embodiment.
  • pliers are used as an example of a two-legged tool. Everything that is said here with regard to the grip of a pair of pliers also applies to other two-legged tools, such as sheet metal shears or the like.
  • FIG. 1 shows a broken leg of a pair of pliers, for example a pair of pliers of a combination pliers.
  • the pliers leg 1 has a hole 2 which, when the pliers are assembled, receives a shaft for forming the pliers joint.
  • the plastic handle 3 is sprayed almost up to this opening 2.
  • a first shoulder 4 is initially formed, which has approximately the shape of a cuboid.
  • This Paragraph 4 has a flat end surface 5, see FIG. 3. This end surface 5 surrounds the metallic pliers leg 1.
  • the first paragraph 4 is followed by a flat inclined surface 6, which extends at an angle of approximately 15 ° with respect to the longitudinal axis of the pliers when the pliers are closed.
  • the inclined surface 6 forms the boundary of a slip protection 7.
  • the slip protection is followed by a grip area 8, which is concave and is intended to hold the thumb and the index finger on the opposite side
  • the inside 11 of the handle is the side that faces the respective manual intervention when the pliers are installed. In Figures 1 and 2 this is the left side.
  • the pliers handle is shown as it looks after the injection molding process.
  • an edge 12 is formed, which represents a step. This stage is best seen at the very bottom of Figure 1.
  • the step 12 is also formed on the side of the slide protection 7 facing away from the pliers joint.
  • a part is designed as a raised marking 14. Steps are also formed on the edges of this marking 14, which have the same height as the edges 12.
  • This marking 14 can be a marking of the pliers, possibly also a marking of the manufacturer of the pliers.
  • the area of the handle 3, which lies between the step 12 on the inside 11 and the step 12 of the slide protection 7, is lined with a softer material in a second working step, for example again in an injection molding process.
  • the handle is placed in a mold into which the material is injected.
  • the area between the steps 12 is filled, so that the shape of the handle shown in FIG. 2 results.
  • the handle 3 is provided in the area of its outside, that is to the right in FIG. 2, and in the area of its two flat sides with a surface which is softer than the surface of the inside 11.
  • the injection molding takes place on the surface 5 or on the surface 6, that is to say at the end of the handle which is assigned to or facing the pliers joint. This allows the entire surface of the handle that a user can grip to remain clear of a sprue.
  • Figure 3 shows a section along line III-III in Figure 2 practically the front view of the end of the handle associated with the pliers joint.
  • a marking 13 has also been produced during the casting, which can be embodied, for example, as a raised marking or also as a recessed marking. It is therefore not a question of printing a marking, but rather a marking in the material of the handle. This marking is permanent.
  • FIG. 4 shows a view of the pliers handle from the outside, ie from the right in FIG.
  • the material that is to form the softer surface is sprayed through this gap 15 and fills the gap between the hard part of the handle and the shape.
  • the material also flows around the marker 14 so that it then runs flush with the surface of the softer material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Scissors And Nippers (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Passenger Equipment (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Massaging Devices (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Knives (AREA)
  • Food-Manufacturing Devices (AREA)
  • Fats And Perfumes (AREA)

Abstract

A set of pliers comprises a pliers handle on each pliers limb. Said pliers handles are injection-moulded around the respective metal pliers limbs (1). The injection moulding process is carried out at a point (5) located at the end of the handle that faces towards the pliers joint. This ensures that the entire surface of the handle that the user can hold remains free of any interference. A raised marking can be provided at the casting-on point (5).

Description

Beschreibung: Description:
Griff für ein zweischenkli es WerkzeugHandle for a two-part tool
Es ist bekannt, bei bestimmten Zangen, die aus Metall bestehen, die Griffe mit einer aus Kunststoff bestehenden Umhül- lung zu versehen. Diese soll das Handhaben der Zange erleichtern.It is known to provide the handles with a plastic cover for certain pliers made of metal. This should make handling of the pliers easier.
Bei einer bekannten Zange dieser Art (FR-A 2215294) ist die Griffschale als getrenntes aus Kunststoff bestehendes Bauteil hergestellt, das nachträglich auf den Zangenschenkel aufgeschoben und mit diesem verbunden wird.In a known pliers of this type (FR-A 2215294), the grip shell is produced as a separate component made of plastic, which is subsequently pushed onto the pliers leg and connected to it.
Auch bei einem weiteren zangenförmigen Handwerkszeug (DE 30 19 734 AI) wird die Griffschale nach ihrer Fertigstellung auf den GriffSchenkel aufgezogen.In the case of another pliers-shaped hand tool (DE 30 19 734 AI), the handle shell is pulled onto the handle leg after its completion.
Ebenfalls bekannt sind Zangen, bei denen die Griffe aus einem relativ harten Material aus Kunststoff gespritzt werden.Pliers are also known in which the handles are injection molded from a relatively hard plastic material.
Der Erfindung liegt die Aufgabe zugrunde, einen Griff für ein zweischenkliges Werkzeug in ergonomischer Hinsicht weiter zu entwickeln.The invention has for its object to further develop a handle for a two-legged tool in ergonomic terms.
Zur Lösung dieser Aufgabe schlägt die Erfindung einen Griff mit den Merkmalen des Anspruchs 1 und/oder mit den Merkmalen des Anspruchs 2 vor. Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche, deren Wortlaut ebenso wie der Wortlaut der Zusammenfassung durch Bezugnahme zum Inhalt der Beschreibung gemacht wird. Zangen werden zu verschiedenen Tätigkeiten verwendet. Sie dienen nicht nur dazu, Gegenstände zu halten, sondern auch dazu, die gehaltenen Gegenstände zu bewegen, umzuorientieren oder auch zu tragen. Während bei den bekannten Zangengriffen, die aus Kunststoff gespritzt sind, die Angießstelle am freien Ende des Griffs angeordnet ist, werden diese Stellen jetzt an die gegenüberliegenden Enden der Griffe verlegt. Wenn ein Benutzer mit der Zange schiebt, so kann das Ende der Zange an seinem Handballen oder Handteller anliegen. Dadurch, dass die Angussstelle jetzt nicht mehr an dieser Stelle liegt, verbessert sich die Benutzung der Zange wesentlich.To achieve this object, the invention proposes a handle with the features of claim 1 and / or with the features of claim 2. Further developments of the invention are the subject of the dependent claims, the wording of which, like the wording of the abstract, is made by reference to the content of the description. Pliers are used for various activities. They serve not only to hold objects, but also to move, reorient or even carry the objects held. While in the known pliers handles, which are injection molded from plastic, the sprue point is arranged at the free end of the handle, these points are now moved to the opposite ends of the handles. When a user pushes with the pliers, the end of the pliers can rest on his palm or palm. The fact that the sprue is no longer at this point improves the use of the pliers considerably.
Auch die Ausbildung der Außenseite der Griffe mit einer wei- cheren Oberfläche verbessert die Handhabung. Die etwas weichere Oberfläche verbessert sowohl die Griffigkeit als auch die Druckbelastung der Hand.The design of the outside of the handles with a softer surface also improves handling. The somewhat softer surface improves both the grip and the pressure load on the hand.
Was hier an dem Beispiel einer Zange ausgeführt wurde, gilt in gleicher oder ähnlicher Weise auch für andere zweischenk- lige Werkzeuge, beispielsweise Scheren. Gerade bei Blechscheren, Teppichscheren oder Astscheren müssen häufig hohe Kräfte aufgewandt werden. Auch hier ist es sinnvoll, die von der Erfindung vorgeschlagenen Merkmale durchzuführen.What was done here using the example of a pair of pliers also applies in the same or similar way to other two-legged tools, for example scissors. Especially with sheet metal shears, carpet shears or pruning shears, high forces often have to be applied. Here, too, it makes sense to carry out the features proposed by the invention.
In Weiterbildung der Erfindung kann vorgesehen sein, dass die dem jeweils anderen Griff zugewandte Innenseite des Griffs eine härtere Oberfläche aufweist als der Bereich mit der weicheren Oberfläche. An diesen Stellen greift der Benutzer allenfalls an, um das Werkzeug zu öffnen, also nur mit geringer Kraft, so dass hier eine weichere Oberfläche keine besondere Vorteile mit sich bringt. In Weiterbildung der Erfindung kann vorgesehen sein, dass die Bereiche unterschiedlicher Oberflächenhärte auch unterschiedliche Farben aufweisen.In a further development of the invention it can be provided that the inside of the handle facing the respective other handle has a harder surface than the area with the softer surface. At these points, the user only attacks to open the tool, ie only with little force, so that a softer surface does not bring any particular advantages. In a further development of the invention it can be provided that the areas of different surface hardness also have different colors.
Erfindungsgemäß kann es ausreichen, den Bereich mit der weicheren Oberfläche nur an den Teilen des Handgriffs vorzusehen, wo die Hand des Benutzers besonders belastet ist. Erfindungsgemäß kann jedoch auch mit Vorteil vorgesehen werden, dass der Bereich mit der weicheren Oberfläche in Längsrich- tung des Griffs von dem dem Gelenk zugeordneten Griffende bis zu dem freien Ende des Griffs reicht. Das dem Gelenk zugeordnete Griffende kann beispielsweise eine Verbreiterung des Querschnitts aufweisen, die ein deutliches Ende desjenigen Teiles des Griffs markiert, an dem der Benutzer angreift, auch wenn der aus Kunststoff bestehende umspritzte Teil des Zangenschenkels noch etwas weiter reicht. Diese Verbreiterung dient in der Regel als Abgleitschutz und wird häufig als Griffköpf bezeichnet.According to the invention, it may be sufficient to provide the area with the softer surface only on the parts of the handle where the user's hand is particularly stressed. According to the invention, however, it can also be advantageously provided that the area with the softer surface extends in the longitudinal direction of the handle from the handle end assigned to the joint to the free end of the handle. The handle end assigned to the joint can, for example, have a broadening of the cross section which marks a clear end of that part of the handle which the user engages, even if the molded part of the pliers leg made of plastic extends a little further. This widening usually serves as anti-slip protection and is often referred to as a handle head.
Weiterhin kann vorgesehen sein, dass der Bereich mit der weicheren Oberfläche auch die Flachseiten des Griffes mindestens teilweise mit einschließt.It can further be provided that the area with the softer surface also at least partially includes the flat sides of the handle.
Die Bereiche mit der unterschiedlichen Oberflächenhärte kön- nen dadurch hergestellt werden, dass auf den Bereich desThe areas with the different surface hardness can be produced by focusing on the area of the
Griffs, der die geringere Oberflächenhärte aufweisen soll, in einem zweiten Arbeitsgang eine Beschichtung aus weicherem Material aufgebracht wird. Die Beschichtung kann relativ dünn sein.Handle, which should have the lower surface hardness, a coating of softer material is applied in a second operation. The coating can be relatively thin.
In Weiterbildung der Erfindung kann vorgesehen sein, dass die Angießstelle, die auch bei sorgfältigster Bearbeitung immer noch sichtbar sein wird, dazu verwendet wird, eine Markierung anzubringen, bei der es sich insbesondere um eine erhabene Markierung handeln kann. Diese kann zur Kennzeichnung der Art der Zange, des Herstellers oder dgl. verwendet werden. Sie ist insbesondere so ausgebildet, dass sie auch nach langem Gebrauch der Zange nicht zerstört wird, wie dies bei einem Aufdrucken der Fall wäre.In a further development of the invention it can be provided that the sprue, which will still be visible even with the most careful processing, is used to make a marking, which is in particular a raised one Mark can act. This can be used to identify the type of pliers, the manufacturer or the like. In particular, it is designed in such a way that it is not destroyed even after long use of the pliers, as would be the case if it were printed on.
In Weiterbildung kann vorgesehen sein, dass der Griff des zweischenkligen Werkzeugs in dem Oberflächenbereich mit der weicheren Oberfläche eine Markierung aufweisen kann, die dadurch gebildet ist, dass dort Teile des Kerns des Griffs, der aus härterem Material besteht, als erhabene Teile stehen bleiben, um die das weichere Material herumgespritzt ist. Die Oberfläche dieser erhabenen Teile verläuft bündig mit der weicheren Oberfläche. Dadurch entsteht eine bleibene Markie- rung, die auch nach langem Gebrauch des Werkzeugs erhalten bleibt.In a further development it can be provided that the handle of the two-legged tool can have a marking in the surface area with the softer surface, which is formed by parts of the core of the handle, which consists of harder material, remaining there than raised parts the softer material is splashed around. The surface of these raised parts is flush with the softer surface. This creates a permanent mark that is retained even after the tool has been used for a long time.
In Weiterbildung der Erfindung kann vorgesehen sein, daß die Beschichtung mit dem weicheren Material durch Anspritzen von dem dem Gelenk zugeordneten Ende des Griffs her erfolgt, wobei vorzugsweise das Anspritzen durch eine Lücke in dem Griff öpf hindurch erfolgen kann. Diese Lücke kann beispielsweise an der dem jeweils anderen Griff abgewandten Außenseite des entsprechenden Griffschenkeis erfolgen. An dieser Stelle greift ein Benutzer im Normalfall nicht an, so dass diese Lücke, die ja durch das weichere Material dann ausgefüllt wird, nicht störend wirkt. Insbesondere ist sie jedoch an den Flachseiten der Zange angeordnet.In a further development of the invention, it can be provided that the coating with the softer material takes place by injection from the end of the handle assigned to the joint, wherein the injection can preferably take place through a gap in the handle. This gap can take place, for example, on the outside of the corresponding handle leg facing away from the other handle. At this point, a user does not normally attack, so this gap, which is then filled by the softer material, does not have a disruptive effect. In particular, however, it is arranged on the flat sides of the pliers.
Erfindungsgemäß kann vorgesehen sein, dass an dem dem Gelenk zugeordneten Ende des Griffs eine Markierung angespritzt wird, die erhaben oder vertieft ausgebildet sein kann. Weitere Merkmale, Einzelheiten und Vorzüge der Erfindung ergeben sich aus der folgenden Beschreibung einer bevorzugten Ausführungsform der Erfindung sowie anhand der Zeichnung. Hierbei zeigen:According to the invention, it can be provided that a marking, which can be raised or recessed, is injection molded onto the end of the handle associated with the joint. Further features, details and advantages of the invention will become apparent from the following description of a preferred embodiment of the invention and from the drawing. Here show:
Fig. 1 eine schematische Seitenansicht eines um einen Zangenschenkel gespritzten Griffs nach einem ersten Arbeitsschritt;Figure 1 is a schematic side view of a handle molded around a pliers leg after a first step.
Fig. 2 die gleiche Ansicht nach einem weitere Arbeitsschritt ;Figure 2 shows the same view after a further step.
Fig. 3 einen Schnitt längs Linie III-III in Fig. 2;Fig. 3 is a section along line III-III in Fig. 2;
Fig. 4 eine Ansicht des Griffschenkeis von rechts inFig. 4 is a view of the handle leg from the right in
Fig. 1 und 2;Figures 1 and 2;
Fig. 5 einen der Fig. 3 entsprechenden vergrößerten Schnitt bei einer geänderten Ausführungsform.5 shows an enlarged section corresponding to FIG. 3 in a modified embodiment.
In den Figuren wird als Beispiel für ein zweischenkliges Werkzeug eine Zange verwendet. Alles, was hier im Hinblick auf den Griff einer Zange gesagt wird, gilt ebenfalls für andere zweischenklige Werkzeuge, wie beispielsweise Blech- scheren oder dergleichen.In the figures, pliers are used as an example of a two-legged tool. Everything that is said here with regard to the grip of a pair of pliers also applies to other two-legged tools, such as sheet metal shears or the like.
Die Seitenansicht der Figur 1 zeigt in abgebrochener Darstellung einen Zangenschenkel, beispielsweise einen Zangenschenkel einer Kombizange. Der Zangenschenkel 1 weist ein Loch 2 auf, das bei zusammengesetzter Zange eine Welle zur Bildung des Zangengelenks aufnimmt. Der aus Kunststoff bestehende Griff 3 ist bis fast an diese Öffnung 2 heran gespritzt. Von dem Zangengelenk ausgehend ist zunächst ein erster Absatz 4 gebildet, der etwa die Form eines Quaders aufweist. Dieser Absatz 4 weist eine ebene Endfläche 5 auf, siehe Figur 3. Diese Endfläche 5 umgibt den metallischen Zangenschenkel 1.The side view of FIG. 1 shows a broken leg of a pair of pliers, for example a pair of pliers of a combination pliers. The pliers leg 1 has a hole 2 which, when the pliers are assembled, receives a shaft for forming the pliers joint. The plastic handle 3 is sprayed almost up to this opening 2. Starting from the pliers joint, a first shoulder 4 is initially formed, which has approximately the shape of a cuboid. This Paragraph 4 has a flat end surface 5, see FIG. 3. This end surface 5 surrounds the metallic pliers leg 1.
An den ersten Absatz 4 schließt sich eine ebene Schrägfläche 6 an, die unter einem Winkel von etwa 15° gegenüber der Zangenlängsachse bei geschlossener Zange verläuft. Die Schrägfläche 6 bildet die Begrenzung eines Abgleitschutzes 7. An den Abgleitschutz schließt sich ein Griffbereich 8 an, der konkav ausgebildet ist und dazu bestimmt ist, den Daumen und auf der gegenüberliegenden Seite den Zeigefinger desThe first paragraph 4 is followed by a flat inclined surface 6, which extends at an angle of approximately 15 ° with respect to the longitudinal axis of the pliers when the pliers are closed. The inclined surface 6 forms the boundary of a slip protection 7. The slip protection is followed by a grip area 8, which is concave and is intended to hold the thumb and the index finger on the opposite side
Benutzers aufzunehmen. In dem sich daran anschließenden Teil verläuft die Außenseite 9 des Griffs in einer geschwungenen Kurve. Der Griff endet dann in einem abgerundeten freien Ende 10.User record. In the adjoining part, the outside 9 of the handle runs in a curved curve. The handle then ends in a rounded free end 10.
Die Innenseite 11 des Griffs ist diejenige Seite, die bei montierter Zange dem jeweiligen Handeingriff zugewandt ist. In Figur 1 und 2 ist dies die linke Seite.The inside 11 of the handle is the side that faces the respective manual intervention when the pliers are installed. In Figures 1 and 2 this is the left side.
In Figur 1 ist der Zangengriff dargestellt, wie er nach dem Spritzgießvorgang aussieht. An dem Übergang zwischen der Innenseite 11 und der in den Figuren 1 und 2 obenliegenden Flachseite des Griffs ist eine Kante 12 gebildet, die eine Stufe darstellt. Diese Stufe ist am besten ganz unten in Figur 1 zu sehen. Die Stufe 12 ist auch an der dem Zangengelenk abgewandten Seite des Abgleitschutzes 7 ausgebildet. Auf den in Figur 1 zu sehenden Flachseitenflachen des Griffschenkels 3 ist ein Teil als erhabene Markierung 14 ausgebildet. An den Rändern dieser Markierung 14 sind dadurch eben- falls Stufen gebildet, die die gleiche Höhe haben wie die Kanten 12. Bei dieser Markierung 14 kann es sich um eine Kennzeichnung der Zange handeln, ggf. auch um eine Kennzeichnung des Herstellers der Zange. Anschließend wird der Bereich des Handgriffs 3, der zwischen der Stufe 12 der Innenseite 11 und der Stufe 12 des Abgleitschutzes 7 liegt, in einem zweiten Arbeitsschritt mit einem weicheren Material ausgekleidet, beispielsweise wieder in einem Spritzgießvorgang. Hierzu wird der Griff in eine Form eingelegt, in die das Material eingespritzt wird. Dadurch wird der Bereich zwischen den Stufen 12 aufgefüllt, so dass sich die in Figur 2 dargestellte Form des Griffs ergibt. Der Handgriff 3 ist im Bereich seiner Außenseite, also rechts in Figur 2 , und im Bereich seiner beiden Flachseiten mit einer Oberfläche versehen, die weicher ist als die Oberfläche der Innenseite 11.In Figure 1, the pliers handle is shown as it looks after the injection molding process. At the transition between the inside 11 and the flat side of the handle located at the top in FIGS. 1 and 2, an edge 12 is formed, which represents a step. This stage is best seen at the very bottom of Figure 1. The step 12 is also formed on the side of the slide protection 7 facing away from the pliers joint. On the flat side surfaces of the handle leg 3 that can be seen in FIG. 1, a part is designed as a raised marking 14. Steps are also formed on the edges of this marking 14, which have the same height as the edges 12. This marking 14 can be a marking of the pliers, possibly also a marking of the manufacturer of the pliers. Subsequently, the area of the handle 3, which lies between the step 12 on the inside 11 and the step 12 of the slide protection 7, is lined with a softer material in a second working step, for example again in an injection molding process. To do this, the handle is placed in a mold into which the material is injected. As a result, the area between the steps 12 is filled, so that the shape of the handle shown in FIG. 2 results. The handle 3 is provided in the area of its outside, that is to the right in FIG. 2, and in the area of its two flat sides with a surface which is softer than the surface of the inside 11.
Das Angießen beim Spritzgießen erfolgt an der Fläche 5 oder an der Fläche 6, also an dem Ende des Griffs, der dem Zangen- gelenk zugeordnet bzw. zugewandt ist. Dadurch kann die gesamte Oberfläche des Griffs, an der ein Benutzer angreifen kann, von einer Angießstelle frei bleiben.The injection molding takes place on the surface 5 or on the surface 6, that is to say at the end of the handle which is assigned to or facing the pliers joint. This allows the entire surface of the handle that a user can grip to remain clear of a sprue.
Die Figur 3 zeigt in einem Schnitt längs Linie III-III in Figur 2 praktisch die Stirnansicht des dem Zangengelenk zugeordneten Endes des Griffs. An der äußeren Stirnfläche 5, an der das Angießen erfolgt, ist beim Angießen eine Markierung 13 mit hergestellt worden, die beispielsweise als erhabene Markierung oder aber auch als vertiefte Markierung ausgebil- det sein kann. Es handelt sich also nicht um ein Aufdrucken eine Markierung, sondern um eine Markierung in dem Material des Griffs. Diese Markierung ist dauerhaft.Figure 3 shows a section along line III-III in Figure 2 practically the front view of the end of the handle associated with the pliers joint. On the outer end face 5, on which the casting is carried out, a marking 13 has also been produced during the casting, which can be embodied, for example, as a raised marking or also as a recessed marking. It is therefore not a question of printing a marking, but rather a marking in the material of the handle. This marking is permanent.
Figur 4 zeigt eine Ansicht des Zangengriffs von der Außensei- te, also von rechts in Figur 1. Der Rand des Abgleitschutzes 7 enthält beidseits je eine Lücke 15, durch die das Anspritzen des Oberflächenbereiches des Griffschenkeis erfolgt. Das Material, das die weichere Oberfläche bilden soll, wird durch diese Lücke 15 hindurch gespritzt und füllt den Zwischenraum zwischen dem harten Teil des Griffs und der Form aus. Das Material fließt auch um die Markierung 14 herum, so dass diese dann bündig mit der Oberfläche des weicheren Materials verläuft.FIG. 4 shows a view of the pliers handle from the outside, ie from the right in FIG. The material that is to form the softer surface is sprayed through this gap 15 and fills the gap between the hard part of the handle and the shape. The material also flows around the marker 14 so that it then runs flush with the surface of the softer material.
Beim Anspritzen, das in diesem Fall also nicht von der oberen Fläche 5, sondern von der Oberfläche 6 her erfolgt, kann an dieser Stirnfläche 6 des Griffs eine reliefartige Markierung aufgebracht werden, die beispielsweise in Figur 5 dargestellt ist. Auf dieser Stirnfläche 6, die größer ist als die Stirnfläche 5, ist mehr Platz für eine solche Markierung vorhanden. When injection molding, which in this case does not take place from the upper surface 5 but from the surface 6, a relief-like marking can be applied to this end surface 6 of the handle, which is shown for example in FIG. 5. This end face 6, which is larger than the end face 5, has more space for such a marking.

Claims

Patentansprüche : Claims:
1. Griff für ein zweischenkliges Werkzeug, der 1.1 um ein Ende eines Werkzeugschenkels (1) herum angeordnet ist,1. Handle for a two-legged tool, which is arranged 1.1 around one end of a tool leg (1),
1.2 aus Kunststoff gespritzt ist,1.2 is injection molded from plastic,
1.3 ein dem Gelenk zugeordnetes vorderes Ende und1.3 a front end assigned to the joint and
1.4 ein entgegengesetztes freies Ende (10) aufweist, wobei1.4 has an opposite free end (10), wherein
1.5 die Angießstelle an dem dem Gelenk zugewandten Ende des Griffs (3) angeordnet ist.1.5 the sprue is arranged at the end of the handle (3) facing the joint.
2. Griff, insbesondere nach Anspruch 1, der 2.1 um ein Ende eines Werkzeugschenkels (1) herum angeordnet ist und2. Handle, in particular according to claim 1, which is arranged 2.1 around one end of a tool leg (1) and
2.2 aus Kunststoff besteht, wobei2.2 consists of plastic, wherein
2.3 die dem jeweils anderen Werkzeugschenkel abgewandte Außenseite (9) des Griffs (3) mindestens teilweise eine weichere Oberfläche aufweist als bei den bekannten Griffen.2.3 the outside (9) of the handle (3) facing away from the other tool leg at least partially has a softer surface than in the known handles.
3. Griff nach Anspruch 1 oder 2, bei dem die dem jeweils anderen Griff zugewandte Innenseite (11) des Griffs (3) eine härtere Oberfläche aufweist als der Bereich mit der weicheren Oberfläche.3. Handle according to claim 1 or 2, wherein the inside of the handle (3) facing the other handle has a harder surface than the area with the softer surface.
4. Griff nach einem der vorhergehenden Ansprüche, bei dem die Bereiche unterschiedlicher Oberflächenhärte unter- schiedliche Farben aufweisen.4. Handle according to one of the preceding claims, in which the areas of different surface hardness have different colors.
5. Griff nach einem der vorhergehenden Ansprüche, bei dem der Bereich mit der weicheren Oberfläche in Längsrichtung des Griffs (3) von dem dem Gelenk zugewandten Griffende bis zu dem freien Ende (10) des Griffs (3) reicht.5. Handle according to one of the preceding claims, wherein the area with the softer surface in the longitudinal direction of the handle (3) of the joint facing Handle end extends to the free end (10) of the handle (3).
6. Griff nach einem der vorhergehenden Ansprüche, bei dem der Bereich mit der weicheren Oberfläche auch die Flachseiten des Griffs (3) mindestens teilweise mit einschließt.6. Handle according to one of the preceding claims, wherein the area with the softer surface also at least partially includes the flat sides of the handle (3).
7. Griff nach einem der vorhergehenden Ansprüche, bei dem die weichere Oberfläche durch eine Beschichtung des7. Handle according to one of the preceding claims, wherein the softer surface by coating the
Griffs mit einem weicheren Material hergestellt wird.Handle is made with a softer material.
8. Griff nach einem der vorhergehenden Ansprüche, mit mindestens einer Markierung (14) in dem Oberflächenbe- reich mit der weicheren Oberfläche, die durch erhabene Teile des Kerns aus härterem Material gebildet wird.8. Handle according to one of the preceding claims, with at least one marking (14) in the surface area with the softer surface, which is formed by raised parts of the core made of harder material.
9. Griff nach einem der vorhergehenden Ansprüche, bei dem die Beschichtung mit dem weicheren Material durch An- spritzen bzw. Angießen von dem dem Gelenk zugeordneten Ende des Griffs her erfolgt.9. Handle according to one of the preceding claims, in which the coating with the softer material is carried out by injection molding or casting on from the end of the handle assigned to the joint.
10. Griff nach Anspruch 9, bei dem das Anspritzen durch eine Lücke (15) in der Außenseite des Griffköpfs (7) hindurch erfolgt.10. Handle according to claim 9, wherein the injection molding takes place through a gap (15) in the outside of the handle head (7).
11. Griff nach einem der vorhergehenden Ansprüche, bei dem an dem dem Gelenk zugeordneten Ende des Griffs (3) eine Markierung (13, 16) angespritzt wird. 11. Handle according to one of the preceding claims, in which a marking (13, 16) is injection molded onto the end of the handle (3) assigned to the joint.
EP01909790A 2000-03-04 2001-02-24 Handle for a two-limbed tool Expired - Lifetime EP1263552B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10010674A DE10010674A1 (en) 2000-03-04 2000-03-04 Handle for two-armed tool has front end and free end, inside and outside, and marking
DE10010674 2000-03-04
PCT/EP2001/002103 WO2001066317A1 (en) 2000-03-04 2001-02-24 Handle for a two-limbed tool

Publications (2)

Publication Number Publication Date
EP1263552A1 true EP1263552A1 (en) 2002-12-11
EP1263552B1 EP1263552B1 (en) 2004-08-11

Family

ID=7633553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01909790A Expired - Lifetime EP1263552B1 (en) 2000-03-04 2001-02-24 Handle for a two-limbed tool

Country Status (8)

Country Link
US (1) US20030136236A1 (en)
EP (1) EP1263552B1 (en)
AT (1) ATE273108T1 (en)
AU (1) AU2001237411A1 (en)
DE (2) DE10010674A1 (en)
DK (1) DK1263552T3 (en)
ES (1) ES2225490T3 (en)
WO (1) WO2001066317A1 (en)

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US6513198B2 (en) * 2001-06-26 2003-02-04 Hanlong Industrial Co., Ltd. Plastic handle structure of a clamp tool
CN109866053B (en) * 2019-04-01 2019-12-13 南京联科镀膜包装材料有限公司 multifunctional non-standard part positioning die and use method thereof

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DE3716583A1 (en) * 1987-05-18 1988-12-08 Walter Schmidt Justus Schmidt Electrically insulated pliers
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Also Published As

Publication number Publication date
DE10010674A1 (en) 2001-09-06
EP1263552B1 (en) 2004-08-11
WO2001066317A1 (en) 2001-09-13
US20030136236A1 (en) 2003-07-24
ES2225490T3 (en) 2005-03-16
ATE273108T1 (en) 2004-08-15
AU2001237411A1 (en) 2001-09-17
DE50103223D1 (en) 2004-09-16
DK1263552T3 (en) 2004-12-20

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