EP3078454B1 - Device with parallel gripping surface - Google Patents

Device with parallel gripping surface Download PDF

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Publication number
EP3078454B1
EP3078454B1 EP16159501.2A EP16159501A EP3078454B1 EP 3078454 B1 EP3078454 B1 EP 3078454B1 EP 16159501 A EP16159501 A EP 16159501A EP 3078454 B1 EP3078454 B1 EP 3078454B1
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EP
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Prior art keywords
limb
region
gripping
leg
upper side
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EP16159501.2A
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German (de)
French (fr)
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EP3078454A1 (en
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Ahrar Madjid
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B9/00—Hand-held gripping tools other than those covered by group B25B7/00
    • B25B9/02—Hand-held gripping tools other than those covered by group B25B7/00 without sliding or pivotal connections, e.g. tweezers, onepiece tongs

Definitions

  • the present invention relates to a device with a parallel gripping surface.
  • the problem with gripping devices according to the prior art is that they do not have a parallel gripping surface in the closed state, or, if a parallel gripping surface can be provided, these make very complex mechanical devices necessary.
  • US 20120126557 discloses a pair of tweezers which has a movably mounted gripping surface at its ends in order to enable parallel gripping.
  • the alignment of the gripping surfaces is perpendicular to the arm extensions of the tweezers.
  • DE 10042288 A1 discloses a gripping pliers wrench with adjustable jaw width.
  • a spring element is disclosed which applies a compressive force to a movable gripping jaw.
  • FR 2977821A1 describes a clamping gripper for clamping and holding different parts that touch each other.
  • the clamping gripper disclosed there should be characterized by a large play between the jaws and easy handling with one hand.
  • DE136230 discloses a pair of pliers in which a jaw is firmly connected to the handle, while the movable jaw is articulated to an angle lever, which is acted upon to adjust the movable jaw by means of a screwing device located in the axis of the handle.
  • the object of the present invention is therefore to provide a device which overcomes the disadvantages of the prior art.
  • a device is to be provided which in a simple manner provides parallel gripping surfaces when gripping. This object is achieved by a device according to claim 1.
  • Such a division of the first leg in accordance with the invention into a first part and a second part, the first part being movable relative to the second part along an axis of rotation, can enable the gripping surfaces of the first and second legs to be arranged parallel to one another in the closed state and inclinations of the leg ends to one another are compensated for during the closing of the opening angle.
  • Such a compression spring enables a defined opening area to be present in the open state of the device without the device having to be opened manually by a user.
  • first and the second part of the first leg are arranged overlapping in areas so that a relative movement of the first part and the second part of the first leg is limited about an axis of rotation of the swivel joint.
  • the second part of the first leg form a first and a second area, the first area extending from the second end of the first leg to the axis of rotation of the swivel joint and the second area extending from the axis of rotation in the opposite direction of the first End of the first leg extends so that the first area of the second part of the first leg, at least in sections, forms or can form the gripping area together with the second end of the second leg.
  • the second area of the second part of the first leg is arranged completely overlapping with the first part of the first leg and the first area of the second part of the first leg does not or only partially overlaps with the first area of the second leg.
  • the spring element is connected to the underside of the first part of the first leg and not to the upper side of the second area of the second part of the first leg.
  • the second part of the first leg has a larger diameter, in particular the largest diameter, measured as the distance from the top to the bottom of the second part of the first leg, in the area of or directly on the axis of rotation of the swivel joint, and the smallest diameter at the respective opposite ends of the second part of the first leg, wherein the second part of the first leg is particularly triangular.
  • Such a structure enables an optimal movement of the second part about the axis of rotation with at the same time a minimal overall height of the device as such.
  • the second part of the first leg forms a projection as a gripping surface at the second end, the gripping area being formed by the gripping surface of the second leg and the said projection in the closed state.
  • the said projection allows the contact surface of the gripping area to be determined independently of the dimensioning of the second part of the first leg and, in particular, enables high gripping forces with the same force applied when the device is pressed together.
  • first leg and / or the second leg comprise stainless steel and / or spring steel and / or consist of stainless steel and / or spring steel, and the second area of the second part of the first leg on or in the area of the second end of the first leg and the second leg in the area of the second end of the second leg, in particular the projection of the second part of the second leg, at least partially made of stainless steel, hardened steel or the like, at least on the underside of the second part and the top of the second Schenkels.
  • the invention also provides a use of a device according to the invention as tweezers, particularly in the field of personal hygiene.
  • the invention is based on the surprising finding that a device for gripping objects with a parallel gripping area can be implemented with simple means.
  • the device essentially comprises only three elements: Two legs which can be or are connected to one another at a first end, the first leg being in a two-part form.
  • the two parts of the first leg are connected to one another by means of a swivel joint, so that when the two legs, which are connected to one another at the first end, are pressed together to close the grip area, the respective ends of the legs are tilted due to the rotation of the second part of the first leg is prevented.
  • the two legs are connected to one another at the first end, for example by means of screws, these being fastened to one another in particular at a first opening angle, and gripping can take place by pressing the legs together.
  • the second part of the first leg at the second end of the device has a projection facing the second leg so that the force of the user when squeezing is on the projection and not on the entire circumference the second part of the first leg is concentrated and thus a higher gripping force can be provided.
  • the areas of the device facing the second end that is to say the gripping area, can consist of a hard material or they encompass the remaining areas of the legs. This increases the durability of the device, since the gripping area is more stable, while no higher force is required to compress the device.
  • a fastening device can also be provided at the first end of the device, for example in the form of a cord forming a loop.
  • This cord can for example be 130mm long and comprise a knot that has been melted by a high temperature so that it can no longer be loosened.
  • Such a fastening device can prevent the device from being damaged by dropping it.
  • the knot of the cord itself can in turn be arranged in a small tube, for example with a length of 9 mm and a diameter of 6 mm, so that the knot cannot get caught on other objects.
  • the device exclusively comprises the first leg with a first part and a second part rotatably connected to it, a spring and a connecting element for connecting the first and second legs and / or consists of these elements.
  • FIGS 1 to 4 are schematic views of a device 1 according to the invention for gripping an object, with a first leg 3 and a second leg 5 shown.
  • the legs 3, 5 are connected to one another at a first end 7 of the device 1, in the example shown by means of a screw 9 and a nut 11, which are guided through an opening 13 of the legs 3, 5.
  • the legs 3, 5 form a gripping area in order to enable an object to be grasped at the second end 15 by mechanical pressure of a finger of a user on the legs 3, 5 of the device.
  • the first leg 3 is constructed in several parts, a first part 17 of the first leg 3 being connected to a second part 19 of the first leg 3 by means of a swivel joint 21.
  • the first and second parts 17, 19 of the first leg 3 are arranged overlapping in certain areas, so that a relative movement of the first part 17 and the second part 19 of the first leg 3 about an axis of rotation of the swivel joint 21 is limited.
  • the second part 19 of the first leg 3 forms a first area 23 and a second area 25, the first area 23 extending from the second end 15 of the first leg 3 to the axis of rotation of the swivel joint 21 and the second area 25 from the axis of rotation into the opposite direction of the first end 7 of the first leg 3, so that the first area 23 of the second part 19 of the first leg 3 forms the gripping area together with the second end 15 of the second leg 5.
  • the first leg has an upper side 3 'and an underside 3 "facing the upper side 5' of the second leg 5.
  • the first area 23 and the second area 25 of the second part 19 of the first leg 3 likewise have an upper side 19 'which the lower side of the first part 17 of the first leg 3 faces and an underside 19 ′′ which faces the upper side 5 ′ of the second leg 5.
  • a spring element 27 is arranged, which is designed and set up to provide a spring force for spacing the same.
  • the spring element 27 is connected to the bottom 3 ′′ of the first part 17 of the first leg 3 and not to the top 19 ′ of the second area 25 of the second part 19 of the first leg 3.
  • the second end 15 of the second part 19 of the first leg 3 and the second end 15 of the second leg 5 can be provided in different configurations in order to jointly form pointed, flat or arbitrarily selectable gripping areas.
  • a recess 29 is also provided for a fastening device (not shown), for example for a fastening device in the form of a cord forming a loop.
  • a guide recess 31 is also provided, which is milled in a semicircle at the first end 7 (see in particular Figures 2 and 4 .
  • the guide recess 31 serves to guide the fastening device (not shown).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Prostheses (AREA)
  • Clamps And Clips (AREA)
  • Manipulator (AREA)

Description

Die vorliegende Erfindung betrifft eine Vorrichtung mit paralleler Greiffläche. Problematisch bei Greifvorrichtungen gemäß dem Stand der Technik ist, dass diese keine parallele Greiffläche im geschlossenen Zustand aufweisen, oder wenn eine parallele Greiffläche vorgesehen sein kann, diese sehr aufwendige mechanische Vorrichtungen notwendig werden lassen.The present invention relates to a device with a parallel gripping surface. The problem with gripping devices according to the prior art is that they do not have a parallel gripping surface in the closed state, or, if a parallel gripping surface can be provided, these make very complex mechanical devices necessary.

US 20120126557 offenbart eine Pinzette, die an ihren Enden eine beweglich gelagerte Grifffläche aufweist, um ein paralleles Greifen zu ermöglichen. Die Ausrichtung der Griffflächen ist dabei senkrecht zu den Armauslegern der Pinzette. US 20120126557 discloses a pair of tweezers which has a movably mounted gripping surface at its ends in order to enable parallel gripping. The alignment of the gripping surfaces is perpendicular to the arm extensions of the tweezers.

DE 10042288 A1 offenbart einen Greifzangenschlüssel mit verstellbarer Maulweite. Dabei ist ein Federelement offenbart, welche eine bewegliche Greifbacke mit einer Druckkraft beaufschlagt. DE 10042288 A1 discloses a gripping pliers wrench with adjustable jaw width. A spring element is disclosed which applies a compressive force to a movable gripping jaw.

FR 2977821A1 beschreibt einen einen Klemmgreifer zum Spannen und Halten verschiedener Teile, die sich gegenseitig berühren. Dabei soll sich der dort offenbare Klemmgreifer durch ein großes Spiel zwischen den Backen und eine einfache Handhabung mit einer Hand auszeichnen. FR 2977821A1 describes a clamping gripper for clamping and holding different parts that touch each other. The clamping gripper disclosed there should be characterized by a large play between the jaws and easy handling with one hand.

DE136230 offenbart eine Zange, bei welcher eine Backe mit dem Handgriff fest verbunden ist, während die bewegliche Backe an einen Winkelhebel angelenkt ist, auf welchen zur Verstellung des beweglichen Backens mittels einer in der Achse des Handgriffes befindlichen Verschraubvorrichtung eingewirkt wird. DE136230 discloses a pair of pliers in which a jaw is firmly connected to the handle, while the movable jaw is articulated to an angle lever, which is acted upon to adjust the movable jaw by means of a screwing device located in the axis of the handle.

Die Aufgabe der vorliegenden Erfindung ist es daher, eine Vorrichtung zu liefern, die die Nachteile des Stands der Technik überwindet. Insbesondere soll eine Vorrichtung geliefert werden, die in einfacher Weise parallele Greifflächen beim Greifen bereitstellt. Diese Aufgabe wird gelöst durch eine Vorrichtung gemäß Anspruch 1.The object of the present invention is therefore to provide a device which overcomes the disadvantages of the prior art. In particular, a device is to be provided which in a simple manner provides parallel gripping surfaces when gripping. This object is achieved by a device according to claim 1.

Durch eine solche erfindungsgemäße Zweiteilung des ersten Schenkels in einen ersten Teil und einen zweiten Teil, wobei der erste Teil gegenüber dem zweiten Teil entlang einer Drehachse beweglich ist, kann ermöglicht werden, dass die Greifflächen von ersten und zweitem Schenkel im geschlossenen Zustand parallel zueinander angeordnet sind und Schrägstellungen der Schenkelenden zueinander während dem Schließen des Öffnungswinkels kompensiert sind.Such a division of the first leg in accordance with the invention into a first part and a second part, the first part being movable relative to the second part along an axis of rotation, can enable the gripping surfaces of the first and second legs to be arranged parallel to one another in the closed state and inclinations of the leg ends to one another are compensated for during the closing of the opening angle.

Durch eine solche Druckfeder wird ermöglich, dass ein definierter Öffnungsbereich im geöffneten Zustand der Vorrichtung vorliegt, ohne dass diese manuell von einem Benutzer geöffnet werden muss.Such a compression spring enables a defined opening area to be present in the open state of the device without the device having to be opened manually by a user.

Dabei kann erfindungsgemäß vorgesehen sein, dass der erste und der zweite Teil des ersten Schenkels bereichsweise überlappend angeordnet sind, so dass eine relative Bewegung des ersten Teils und des zweiten Teils des ersten Schenkels um eine Rotationsachse des Drehgelenks begrenzt ist.It can be provided according to the invention that the first and the second part of the first leg are arranged overlapping in areas so that a relative movement of the first part and the second part of the first leg is limited about an axis of rotation of the swivel joint.

Dies hat insbesondere den Vorteil, dass zwei definierte Entstellungen des zweiten Teils des ersten Schenkels bereitstellbar sind. Im geöffneten Zustand der Vorrichtung wird die Bewegung des zweiten Teils des ersten Schenkels um die Rotationsachse durch das erste Teil des ersten Schenkels begrenzt, im geschlossenen Zustand zum Greifen durch den zweiten Schenkel.This has the particular advantage that two defined distortions of the second part of the first leg can be provided. In the open state of the device, the movement of the second part of the first leg about the axis of rotation is limited by the first part of the first leg, in the closed state for gripping by the second leg.

Auch kann erfindungsgemäß vorgesehen sein, dass das zweite Teil des ersten Schenkel einen ersten und einen zweiten Bereich ausbilden, wobei sich der erste Bereich vom zweiten Ende des ersten Schenkels bis zur Rotationsachse des Drehgelenks und der zweite Bereich von der Rotationsachse in die gegenüberliegende Richtung des ersten Endes des ersten Schenkels erstreckt, so dass der erste Bereich des zweiten Teils des ersten Schenkels, zumindest abschnittsweise, gemeinsam mit dem zweiten Ende des zweiten Schenkels den Greifbereich ausbildet oder ausbilden kann.It can also be provided according to the invention that the second part of the first leg form a first and a second area, the first area extending from the second end of the first leg to the axis of rotation of the swivel joint and the second area extending from the axis of rotation in the opposite direction of the first End of the first leg extends so that the first area of the second part of the first leg, at least in sections, forms or can form the gripping area together with the second end of the second leg.

Dabei kann vorgesehen sein, dass der zweite Bereich des zweiten Teils des ersten Schenkels vollständig überlappend mit dem ersten Teil des ersten Schenkels angeordnet ist und der erste Bereich des zweiten Teils des ersten Schenkels nicht oder nur teilweise mit dem ersten Bereich des zweiten Schenkels überlappt.It can be provided that the second area of the second part of the first leg is arranged completely overlapping with the first part of the first leg and the first area of the second part of the first leg does not or only partially overlaps with the first area of the second leg.

Dies hat insbesondere den Vorteil, dass ein solcher Aufbau einen geringen Materialeinsatz benötigt und somit eine erfindungsgemäße Vorrichtung kostengünstig hergestellt werden kann.This has the particular advantage that such a structure requires little use of material and thus a device according to the invention can be manufactured inexpensively.

Dabei kann vorgesehen sein, dass das Federelement mit der Unterseite des ersten Teils des ersten Schenkels verbunden ist und nicht mit der Oberseite des zweiten Bereichs des zweiten Teils des ersten Schenkels.It can be provided that the spring element is connected to the underside of the first part of the first leg and not to the upper side of the second area of the second part of the first leg.

Auch kann vorgesehen sein, dass das zweite Teil des ersten Schenkels einen größeren Durchmesser, insbesondere den größten Durchmesser, gemessen als Distanz von der Oberseite zu der Unterseite des zweiten Teils des ersten Schenkels, im Bereich der oder an direkt der Rotationsachse des Drehgelenks aufweist, und den kleinsten Durchmesser an den jeweils gegenüberliegenden Enden des zweiten Teils des ersten Schenkels, wobei das zweite Teil des ersten Schenkels insbesondere dreieckförmig ausgebildet ist.It can also be provided that the second part of the first leg has a larger diameter, in particular the largest diameter, measured as the distance from the top to the bottom of the second part of the first leg, in the area of or directly on the axis of rotation of the swivel joint, and the smallest diameter at the respective opposite ends of the second part of the first leg, wherein the second part of the first leg is particularly triangular.

Ein solcher Aufbau ermöglicht eine optimale Bewegung des zweiten Teils um die Rotationsachse bei gleichzeitig minimaler Bauhöhe der Vorrichtung als solche.Such a structure enables an optimal movement of the second part about the axis of rotation with at the same time a minimal overall height of the device as such.

Des weiteren kann erfindungsgemäß vorgesehen sein, dass der zweite Teil des ersten Schenkels am zweiten Ende einen Vorsprung als Greiffläche ausbildet, wobei im geschlossenen Zustand der Greifbereich durch die Greiffläche des zweiten Schenkels und dem besagten Vorsprung ausgebildet ist.Furthermore, it can be provided according to the invention that the second part of the first leg forms a projection as a gripping surface at the second end, the gripping area being formed by the gripping surface of the second leg and the said projection in the closed state.

Dies hat insbesondere den Vorteil, dass durch den besagten Vorsprung die Kontaktfläche des Greifbereichs unabhängig von der Dimensionierung des zweiten Teils des ersten Schenkels bestimmbar ist, und insbesondere hohe Greifkräfte bei gleicher Krafteinwirkung beim Zusammendrücken der Vorrichtung ermöglicht werden.This has the particular advantage that the said projection allows the contact surface of the gripping area to be determined independently of the dimensioning of the second part of the first leg and, in particular, enables high gripping forces with the same force applied when the device is pressed together.

Schließlich kann auch vorgesehen sein, dass der erste Schenkel und/oder der zweite Schenkel rostfreien Stahl und/oder Federstahl umfassen und/oder aus rostfreiem Stahl und/oder Federstahl bestehen, und der zweite Bereich des zweiten Teils des ersten Schenkels am oder im Bereich des zweiten Endes des ersten Schenkels und der zweite Schenkel im Bereich des zweiten Endes des zweiten Schenkels, insbesondere der Vorsprung des zweiten Teils des zweiten Schenkels, zumindest teilweise aus Edelstahl, gehärtetem Stahl oder dergleichen, zumindest auf der Unterseite des zweiten Teils und der Oberseite des zweiten Schenkels, besteht.Finally, it can also be provided that the first leg and / or the second leg comprise stainless steel and / or spring steel and / or consist of stainless steel and / or spring steel, and the second area of the second part of the first leg on or in the area of the second end of the first leg and the second leg in the area of the second end of the second leg, in particular the projection of the second part of the second leg, at least partially made of stainless steel, hardened steel or the like, at least on the underside of the second part and the top of the second Schenkels.

Auch liefert die Erfindung eine Verwendung einer erfindungsgemäßen Vorrichtung als Pinzette, insbesondere im Bereich der Körperpflege.The invention also provides a use of a device according to the invention as tweezers, particularly in the field of personal hygiene.

Der Erfindung liegt die überraschende Erkenntnis zugrunde, dass eine Vorrichtung zum Greifen von Gegenständen mit einem parallelen Greifbereich mit einfachen Mitteln realisierbar ist. Die Vorrichtung umfasst dabei im Wesentlichen ausschließlich drei Elemente: Zwei Schenkel, die an einem ersten Ende miteinander verbindbar oder verbunden sind, wobei der erste Schenkel in zweiteiliger Form vorliegt. Die beiden Teile des ersten Schenkels sind dabei mittels eines Drehgelenks miteinander verbunden, so dass beim Zusammendrücken der zwei Schenkel, die am ersten Ende miteinander verbunden sind, zum Schließen des Griffbereichs eine Schrägstellung der jeweiligen Enden der Schenkel durch die Rotation des zweiten Teils des ersten Schenkels verhindert wird.The invention is based on the surprising finding that a device for gripping objects with a parallel gripping area can be implemented with simple means. The device essentially comprises only three elements: Two legs which can be or are connected to one another at a first end, the first leg being in a two-part form. The two parts of the first leg are connected to one another by means of a swivel joint, so that when the two legs, which are connected to one another at the first end, are pressed together to close the grip area, the respective ends of the legs are tilted due to the rotation of the second part of the first leg is prevented.

Die beiden Schenkel werden dabei am ersten Ende beispielsweise mittels Schrauben miteinander verbunden, wobei diese insbesondere in einem ersten Öffnungswinkel zueinander befestigt sind, und durch Zusammendrücken der Schenkel ein Greifen erfolgen kann.The two legs are connected to one another at the first end, for example by means of screws, these being fastened to one another in particular at a first opening angle, and gripping can take place by pressing the legs together.

Um eine höhere Greifkraft zu ermöglichen, kann dabei vorgesehen sein, dass das zweite Teil des ersten Schenkels am zweite Ende der Vorrichtung einen dem zweiten Schenkel zugewandte Vorsprung aufweist, so dass sich die Kraft des Benutzers beim Zusammendrücken auf den Vorsprung und nicht auf den gesamten Umfang des zweiten Teils des ersten Schenkels konzentriert und somit eine höhere Greifkraft bereitstellbar ist.In order to enable a higher gripping force, it can be provided that the second part of the first leg at the second end of the device has a projection facing the second leg so that the force of the user when squeezing is on the projection and not on the entire circumference the second part of the first leg is concentrated and thus a higher gripping force can be provided.

Die dem zweiten Ende, also dem Greifbereich, zugewandten Bereiche der Vorrichtung können dabei aus einem härten Material bestehen oder diese umfassen die verbleibenden Bereich der Schenkel. Dies erhöht die Haltbarkeit der Vorrichtung, da der Greifbereich stabiler ist, während keine höhere Kraft zum Zusammendrücken der Vorrichtung notwendig ist.The areas of the device facing the second end, that is to say the gripping area, can consist of a hard material or they encompass the remaining areas of the legs. This increases the durability of the device, since the gripping area is more stable, while no higher force is required to compress the device.

Am ersten Ende der Vorrichtung kann zudem eine Befestigungsvorrichtung vorgesehen sein, beispielsweise in Form einer eine Schlaufe bildende Schnur. Diese Schnur kann beispielsweise 130mm lang sein und einen Knoten umfassen, der durch eine hohe Temperatur geschmolzen wurde, so dass dieser nicht mehr lösbar ist. Durch eine solche Befestigungsvorrichtung kann verhindert werden, dass die Vorrichtung durch ein Fallenlassen beschädigt wird. Der Knoten der Schnur selbst kann wiederum in einer kleiner Röhre, beispielsweise mit einer Länge von 9mm und einem Durchmesser von 6mm, angeordnet werden, so dass der Knoten nicht an weiteren Gegenständen hängenbleiben kann.A fastening device can also be provided at the first end of the device, for example in the form of a cord forming a loop. This cord can for example be 130mm long and comprise a knot that has been melted by a high temperature so that it can no longer be loosened. Such a fastening device can prevent the device from being damaged by dropping it. The knot of the cord itself can in turn be arranged in a small tube, for example with a length of 9 mm and a diameter of 6 mm, so that the knot cannot get caught on other objects.

Gemäß einer Ausführungsform kann vorgesehen, sein, dass die Vorrichtung ausschließlich den ersten Schenkel mit einem ersten Teil und einem drehbar mit diesem verbundenen zweiten Teil, eine Feder, und ein Verbindungselement zum Verbindung von erstem und zweitem Schenkel umfasst und/oder aus diesen Elementen besteht.According to one embodiment it can be provided that the device exclusively comprises the first leg with a first part and a second part rotatably connected to it, a spring and a connecting element for connecting the first and second legs and / or consists of these elements.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung, in der Ausführungsbeispiele der Erfindung anhand von schematischen Zeichnungen beispielhaft erläutert wird, ohne dadurch die Erfindung zu beschränken.Further features and advantages of the invention emerge from the following description, in which exemplary embodiments of the invention are explained by way of example with reference to schematic drawings, without thereby limiting the invention.

Dabei zeigt:

Figur 1:
eine schematische Seitenansicht einer erfindungsgemäßen Vorrichtung;
Figur 2:
eine schematische Aufsicht von Unten auf einen Teilbereich des ersten Schenkels der Vorrichtung;
Figur 3:
eine schematische Darstellung der erfindungsgemäßen Vorrichtung in Explosionsansicht; und
Figur 4:
eine schematische Aufsicht von Oben auf einen Teilbereich des ersten Schenkels der Vorrichtung.
It shows:
Figure 1:
a schematic side view of a device according to the invention;
Figure 2:
a schematic plan view from below of a portion of the first leg of the device;
Figure 3:
a schematic representation of the device according to the invention in an exploded view; and
Figure 4:
a schematic top view of a portion of the first leg of the device.

In den Figuren 1 bis 4 sind schematische Ansichten einer erfindungsgemäßen Vorrichtung 1 zum Greifen eines Gegenstandes, mit einem ersten Schenkel 3 und einem zweiten Schenkel 5 gezeigt. Die Schenkel 3,5 sind an einem ersten Ende 7 der Vorrichtung 1 miteinander verbunden, im gezeigten Beispiel mittels einer Schraube 9 und einer Mutter 11, die durch eine Öffnung 13 der Schenkel 3,5 geführt sind.In the Figures 1 to 4 are schematic views of a device 1 according to the invention for gripping an object, with a first leg 3 and a second leg 5 shown. The legs 3, 5 are connected to one another at a first end 7 of the device 1, in the example shown by means of a screw 9 and a nut 11, which are guided through an opening 13 of the legs 3, 5.

An einem zweiten Ende 15 der Vorrichtung 1 bilden die Schenkel 3,5 einen Greifbereich, um durch einen mechanischen Druck eines Fingers eines Anwenders auf die Schenkel 3,5 der Vorrichtung das Fassen eines Gegenstands am zweiten Ende 15 zu ermöglichen.At a second end 15 of the device 1, the legs 3, 5 form a gripping area in order to enable an object to be grasped at the second end 15 by mechanical pressure of a finger of a user on the legs 3, 5 of the device.

Wie aus Figur 1 ersichtlich, ist der erste Schenkel 3 mehrteilig ausgebildet ist, wobei ein erste Teil 17 des ersten Schenkels 3 mit einem zweiten Teil 19 des ersten Schenkels 3 mittels eines Drehgelenks 21 verbunden ist. Dabei sind der erste und der zweite Teil 17, 19 des ersten Schenkels 3 bereichsweise überlappend angeordnet, so dass eine relative Bewegung des ersten Teils 17 und des zweiten Teils 19 des ersten Schenkels 3 um eine Rotationsachse des Drehgelenks 21 begrenzt ist.How out Figure 1 As can be seen, the first leg 3 is constructed in several parts, a first part 17 of the first leg 3 being connected to a second part 19 of the first leg 3 by means of a swivel joint 21. The first and second parts 17, 19 of the first leg 3 are arranged overlapping in certain areas, so that a relative movement of the first part 17 and the second part 19 of the first leg 3 about an axis of rotation of the swivel joint 21 is limited.

Der zweite Teil 19 des ersten Schenkel 3 bildet einen ersten Bereich 23 und einen zweiten Bereich 25 ausbilden, wobei sich der erste Bereich 23 vom zweiten Ende 15 des ersten Schenkels 3 bis zur Rotationsachse des Drehgelenks 21 und der zweite Bereich 25 von der Rotationsachse in die gegenüberliegende Richtung des ersten Endes 7 des ersten Schenkels 3 erstreckt, so dass der erste Bereich 23 des zweiten Teils 19 des ersten Schenkels 3 gemeinsam mit dem zweiten Ende 15 des zweiten Schenkels 5 den Greifbereich ausbildet.The second part 19 of the first leg 3 forms a first area 23 and a second area 25, the first area 23 extending from the second end 15 of the first leg 3 to the axis of rotation of the swivel joint 21 and the second area 25 from the axis of rotation into the opposite direction of the first end 7 of the first leg 3, so that the first area 23 of the second part 19 of the first leg 3 forms the gripping area together with the second end 15 of the second leg 5.

Der erste Schenkel weist eine Oberseite 3' und eine der Oberseite 5'des zweiten Schenkels 5 zugewandte Unterseite 3" auf. Der ersten Bereich 23 und der zweite Bereich 25 des zweiten Teils 19 des ersten Schenkels 3 weist ebenfalls eine Oberseite 19' auf, die der Unterseite des ersten Teils 17 des ersten Schenkels 3 zugewandt ist und eine Unterseite 19", die der Oberseite 5' des zweiten Schenkels 5 zugewandt ist.The first leg has an upper side 3 'and an underside 3 "facing the upper side 5' of the second leg 5. The first area 23 and the second area 25 of the second part 19 of the first leg 3 likewise have an upper side 19 'which the lower side of the first part 17 of the first leg 3 faces and an underside 19 ″ which faces the upper side 5 ′ of the second leg 5.

Zwischen der Oberseite 19' des zweiten Bereichs 25 des zweiten Teils 19 des ersten Schenkels 3 und der Unterseite 3" des ersten Teils 17 des ersten Schenkels 3 ist ein Federelement 27 angeordnet, welches ausgelegt und eingerichtet ist, um eine Federkraft zum beabstanden derselben bereitzustellen. Dabei ist das Federelement 27 mit der Unterseite 3" des ersten Teils 17 des ersten Schenkels 3 verbunden ist und nicht mit der Oberseite 19' des zweiten Bereichs 25 des zweiten Teils 19 des ersten Schenkels 3.Between the upper side 19 'of the second region 25 of the second part 19 of the first leg 3 and the lower side 3 ″ of the first part 17 of the first leg 3, a spring element 27 is arranged, which is designed and set up to provide a spring force for spacing the same. The spring element 27 is connected to the bottom 3 ″ of the first part 17 of the first leg 3 and not to the top 19 ′ of the second area 25 of the second part 19 of the first leg 3.

Gut in den Figuren 1 bis 3 ist erkennbar, dass der zweite 19 des ersten Schenkels 3 dreieckförmig ausgebildet ist.Good in the Figures 1 to 3 it can be seen that the second 19 of the first leg 3 is triangular.

Das zweite Ende 15 des zweiten Teils 19 des ersten Schenkels 3 sowie das zweite Ende 15 des zweiten Schenkels 5 können dabei in verschiedenen Ausgestaltungen vorgesehen sein, um spitze, flache oder beliebig wählbare Greifbereich gemeinsam auszubilden.The second end 15 of the second part 19 of the first leg 3 and the second end 15 of the second leg 5 can be provided in different configurations in order to jointly form pointed, flat or arbitrarily selectable gripping areas.

Am ersten Ende 7 der Vorrichtung 1 ist zudem eine Aussparung 29 für eine nicht gezeigte Befestigungsvorrichtung vorgesehen, beispielsweise für eine Befestigungsvorrichtung in Form einer eine Schlaufe bildende Schnur. Für die Befestigungsvorrichtung ist zudem eine Führungsaussparung 31 vorgesehen, die halbkreisförmig am ersten Ende 7 gefräst ist (siehe insbesondere Figuren 2 und 4. Die Führungsaussparung 31 dient dabei der Führung der nicht gezeigten Befestigungseinrichtung.At the first end 7 of the device 1, a recess 29 is also provided for a fastening device (not shown), for example for a fastening device in the form of a cord forming a loop. For the fastening device, a guide recess 31 is also provided, which is milled in a semicircle at the first end 7 (see in particular Figures 2 and 4 . The guide recess 31 serves to guide the fastening device (not shown).

Claims (9)

  1. Device (1) for gripping something, having a first and a second limb (3, 5), which are connected to one another at a first opening angle at a first end (7) of the device (1) and at a second end (15) of the device (1), said second end being located opposite the first end (7), form a gripping region, in order to make it possible to grasp something at the second end (15) as a result of mechanical pressure exerted by a user's finger on the limbs (3, 5) of the device (1), wherein the first limb (3) is designed in more than one part, wherein a first part (17) of the first limb (7) is connected to a second part (19) of the first limb (7) by means of a rotary joint (21), and this resulting in the formation, in the closed state of the device (1), of parallel gripping surfaces of the first and second limbs (3, 5) in the gripping region, wherein the first limb (3) has an upper side (3') and an underside (3"), which is directed towards the upper side (5') of the second limb (5), and wherein the first region (23) and the second region (25) of the second part (19) of the first limb (3) have an upper side, which is directed towards the underside of the first part (17) of the first limb (3), and an underside, which is directed towards the upper side of the second limb (5), characterized in that a compression spring (27) is arranged between the upper side of the second region (25) of the second part (19) of the first limb (3) and the underside of the first part (17) of the first limb (3), said compression spring being designed and intended to provide a spring force for the purpose of producing a defined opening region in the open state of the device (1).
  2. Device (1) according to Claim 1, characterized in that the first and the second parts (17, 19) of the first limb (3) overlap in certain regions, this resulting in limited relative movement of the first part (17) and of the second part (19) of the first limb (3) about an axis of rotation of the rotary joint (21).
  3. Device (1) according to Claim 1 or 2, characterized in that the second part (19) of the first limb (3) forms a first and a second region (23, 25), wherein the first region (23) extends from the second end (15) of the first limb (3) to the axis of the rotation of the rotary joint (21) and the second region (23) extends from the axis of rotation in the opposite direction, towards the first end (7) of the first limb (3), and therefore at least part of the first region (23) of the second part (15) of the first limb (3), together with the second end (15) of the second limb (5), forms, or can form, the gripping region.
  4. Device (1) according to one of the preceding claims, characterized in that the second region (25) of the second part (19) of the first limb (3) fully overlaps the first part (17) of the first limb (3), and the first region of the second part (1) of the first limb (3) overlaps the first region of the second limb (5) only to some extent, if at all.
  5. Device (1) according to one of the preceding claims, characterized in that the spring element (21) is connected to the underside of the first part (17) of the first limb (3) and not to the upper side of the second region of the second part (19) of the first limb (3).
  6. Device (1) according to one of the preceding claims, characterized in that the second part (19) of the first limb (3) has a relatively large diameter, in particular the largest diameter, measured at a distance from the upper side to the underside of the second part (19) of the first limb (3), in the region of, or directly at, the axis of rotation of the rotary joint (21) and has the smallest diameter at the respectively opposite ends of the second part (19) of the first limb (3), wherein the second part (19) of the first limb (3) is in particular triangular.
  7. Device (1) according to one of the preceding claims, characterized in that the second part (19) of the first limb (3) forms a protrusion, as a gripping surface, at the second end, wherein, in the closed state, the gripping region is formed by the gripping surface of the second limb (5) and the said protrusion.
  8. Device (1) according to one of the preceding claims, characterized in that the first limb (3) and/or the second limb (5) comprise/comprises stainless steel and/or spring steel and/or consist/consists of stainless and/or spring steel, and the second region of the second part (19) of the first limb (3), at or in the region of the second end of the first limb, and the second limb (5), in the region of the second end of the second limb (5), in particular the protrusion of the second part of the second limb, consist at least to some extent of stainless steel, hardened steel or the like, at least on the underside of the second part and on the upper side of the second limb (5).
  9. Use of a device (1) according to one of the preceding claims as tweezers, in particular in the area of body care.
EP16159501.2A 2015-04-09 2016-03-09 Device with parallel gripping surface Active EP3078454B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015105450.7A DE102015105450B4 (en) 2015-04-09 2015-04-09 Device with parallel gripping surface

Publications (2)

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EP3078454A1 EP3078454A1 (en) 2016-10-12
EP3078454B1 true EP3078454B1 (en) 2021-06-02

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EP16159501.2A Active EP3078454B1 (en) 2015-04-09 2016-03-09 Device with parallel gripping surface

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EP (1) EP3078454B1 (en)
CN (1) CN106041779B (en)
DE (1) DE102015105450B4 (en)

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CN109129237B (en) * 2018-09-25 2020-12-15 中国农业科学院兰州畜牧与兽药研究所 Clamping device for molecular biology test

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US4524648A (en) * 1984-08-17 1985-06-25 Chung Charng J Fixation tweezers
DE29621542U1 (en) * 1996-12-12 1997-02-13 Stoever Walter Cross connector pliers
DE10042288A1 (en) * 2000-08-29 2002-03-14 Erdmeier Hans Udo Pair of pliers has handle and bracket with gripper section each, opposite jaw swivel mounted on joint, with slot, rivet pin, and thrust surface
US20090005805A1 (en) * 2004-03-31 2009-01-01 Vries Luc De Surgical Instrument and Method
CH700648B1 (en) * 2009-03-23 2017-12-29 Mft D'outils Dumont Sa Tweezers of precision.
JP2011051041A (en) * 2009-08-31 2011-03-17 Nojima Hajime Manual tool for holding
CN102476360B (en) * 2010-11-24 2013-10-16 佛山普立华科技有限公司 Clamp
JP5713753B2 (en) * 2011-03-28 2015-05-07 アトム興産株式会社 Adjustable angle tweezers of clamping part
FR2977821B1 (en) * 2011-07-15 2014-04-18 Dolex Ets CLAMPING CLAMP
CN202821544U (en) * 2012-08-22 2013-03-27 中国人民解放军第三军医大学第一附属医院 Double-head surgical blade handle
CN203495794U (en) * 2013-09-27 2014-03-26 太洪淑 Multifunctional medical folding forceps for nursing
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Publication number Publication date
DE102015105450A1 (en) 2016-10-13
CN106041779A (en) 2016-10-26
CN106041779B (en) 2018-11-06
EP3078454A1 (en) 2016-10-12
DE102015105450B4 (en) 2017-05-04

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