EP2043818B1 - Manually actuated tongs having force monitoring - Google Patents

Manually actuated tongs having force monitoring Download PDF

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Publication number
EP2043818B1
EP2043818B1 EP06791675A EP06791675A EP2043818B1 EP 2043818 B1 EP2043818 B1 EP 2043818B1 EP 06791675 A EP06791675 A EP 06791675A EP 06791675 A EP06791675 A EP 06791675A EP 2043818 B1 EP2043818 B1 EP 2043818B1
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EP
European Patent Office
Prior art keywords
pliers
lever
levers
inner lever
vibrator
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.)
Not-in-force
Application number
EP06791675A
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German (de)
French (fr)
Other versions
EP2043818A1 (en
Inventor
Walter Streuli
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.)
Oetiker Schweiz AG
Original Assignee
Hans Oetiker AG Maschinen und Apparatefabrik
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.)
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Publication date
Application filed by Hans Oetiker AG Maschinen und Apparatefabrik filed Critical Hans Oetiker AG Maschinen und Apparatefabrik
Priority to PL06791675T priority Critical patent/PL2043818T3/en
Publication of EP2043818A1 publication Critical patent/EP2043818A1/en
Application granted granted Critical
Publication of EP2043818B1 publication Critical patent/EP2043818B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears

Definitions

  • the invention relates to a hand-operated pliers according to the preamble of claim 1.
  • a pair of pliers is for example from the FR 2 317 051 out.
  • Clamping rings are used for example in the automotive industry for attaching flexible hoses to rigid pipe nipples or for attaching bellows to propeller shafts.
  • pneumatic pliers are used in the manufacture, among other things, from EP 1 163 979 A1 are known. With such pliers, the necessary for closing and clamping the clamping rings, sometimes considerable forces apply.
  • Such a force monitoring and control device is for example off EP 0 824 979 A1 known.
  • WO 2006/062733 A1 discloses a pair of pliers with a vibrator that signals that the pliers are near a live object.
  • the invention has for its object to provide a hand-operated pliers, which ensures the generation of an intended force.
  • the achievement of this object is specified in claim 1.
  • the device provided thereafter signals the generation of a predetermined closing force between the jaws.
  • a predetermined closing force between the jaws.
  • the upon reaching the predetermined closing force vibration generated is transmitted directly to the user's pliers-actuating hand and therefore perceived in any case.
  • the attention of the installer is not distracted, and the signal does not go unnoticed.
  • the pliers particularly tightly encloses the tactile signal is transmitted accordingly clear. Since the two levers forming a pliers limb are pivotable about the joint of the pliers themselves, the pliers are less expensive to manufacture.
  • the pliers can be adjusted so that the signal is generated at a to the respective purpose, such as the respectively to exciting terminal type, adapted, individually predetermined closing force.
  • the development of the invention according to claim 5 relates to a measure for securing the mechanical strength of the pliers.
  • the design of the invention according to claim 6 is particularly advantageous in that the lever operated by the user due to its box-like shape protects the signaling device and its associated components against contamination and damage while maintaining a resistant shape.
  • the forceps shown in the drawing has two legs 10, 11 , which are connected by a bolt 12 hinged together and each carrying a jaw 13, 14 .
  • the leg 10 includes an inner lever 15 and an outer lever 16, wherein the inner lever 15 is formed integrally with the jaws 14 .
  • the outer lever 16 is also pivotally mounted about the pin 12 .
  • An end portion 17 of the inner lever 15 is opposite to the bearing on the bolt 12 part of the inner lever 15 on the leg 11 offset so that a space 18 results between the end portion 17 of the inner lever 15 and the outer lever 16 .
  • Fig. 2 The components accommodated in the space 18 are in Fig. 2 shown enlarged. These components include two compression springs 20, 21, each of which are arranged on a pin 22, 23 attached to the outer lever 16 and bias the two levers 15, 16 against each other.
  • a signaling device which comprises a vibrator 31 and a battery 32 .
  • the vibrator 31 and the battery 32 are in an in Fig. 2 housed hatched plastic part 33 housed, which is fastened by means of a screw 34 on the outer lever 16 .
  • a screw 35 is further used, the head of which forms a first contact element 36 .
  • the end portion 17 of the inner lever 15 is penetrated by a grub screw 37 , the inner end of which faces the head of the screw 35 and forms a second contact element 38 .
  • the distance between the contact elements 36, 38 can be changed by turning the grub screw 37 , wherein the respective position of the grub screw 37 is secured by a lock nut 39 .
  • the hand grips the pliers such that the actuating force is exerted on the pliers limb 11 and the outer lever 14 of the pliers limb 10 .
  • the force acting on the outer lever 16 is transmitted via the compression springs 20, 21 to the inner lever 15 and thus to the jaws 14 .
  • the outer lever 16 of the pliers leg 10 is formed in cross-section U-shaped and thus forms a housing, the inner lever 15, the end portion 17, the compression springs 20, 21 and the plastic part 33 with the components arranged therein on three sides, namely the left in the drawing outside and the two sides parallel to the drawing, surrounds. In this way, the signaling device 30 and the associated components are protected against mechanical damage and contamination.
  • the closed design also avoids injury to the user's hand.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Surgical Instruments (AREA)
  • Manipulator (AREA)
  • User Interface Of Digital Computer (AREA)
  • Scissors And Nippers (AREA)
  • Catching Or Destruction (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

For signaling the force exerted with a manually operated pair of pliers, one arm of the pliers comprises an inner lever and an outer lever, the inner lever carrying a jaw of the pliers and being biased by means of compression springs, with respect to the outer lever which is gripped by the user's hand. The two levers, have opposed contact elements, which contact one another when the actuation force that acts counter the bias of the compression springs, reaches a predetermined value, to actuate a vibrator housed in the arm of the pliers.

Description

Die Erfindung betrifft eine handbetätigte Zange gemäß dem Oberbegriff des Patentanspruchs 1. Eine solche Zange geht beispielweise aus der FR 2 317 051 hervor.The invention relates to a hand-operated pliers according to the preamble of claim 1. Such a pair of pliers is for example from the FR 2 317 051 out.

Klemmringe werden beispielsweise in der Autoindustrie zum Befestigen von flexiblen Schläuchen an starren Rohrnippeln oder zum Anbringen von Faltenbälge an Gelenkwellen eingesetzt. Zum Spannen derartiger Klemmringe werden in der Fertigung unter anderem pneumatische Zangen eingesetzt, wie sie aus EP 1 163 979 A1 bekannt sind. Mit solchen Zangen lassen sich die zum Schließen und Spannen der Klemmringe erforderlichen, zum Teil erheblichen Kräfte aufbringen. Zum Schutz sowohl der Klemmringe als auch der Bauteile, an denen sie angelegt werden, ist es üblich, die jeweils aufgebrachte Kraft zu überwachen und bei Erreichen einer für den jeweiligen Klemmentyp vorgegebenen Maximalkraft den Zangenantrieb abzuschalten. Eine derartige Kraftüberwachungs- und Steuereinrichtung ist beispielsweise aus EP 0 824 979 A1 bekannt.Clamping rings are used for example in the automotive industry for attaching flexible hoses to rigid pipe nipples or for attaching bellows to propeller shafts. For the clamping of such clamping rings pneumatic pliers are used in the manufacture, among other things, from EP 1 163 979 A1 are known. With such pliers, the necessary for closing and clamping the clamping rings, sometimes considerable forces apply. To protect both the clamping rings and the components to which they are applied, it is customary to monitor the force applied in each case and to switch off the tong drive when a maximum force predetermined for the respective terminal type is reached. Such a force monitoring and control device is for example off EP 0 824 979 A1 known.

Außerhalb der industriellen Fertigung, beispielsweise in Reparaturbetrieben, werden zum Spannen von Klemmringen handbetätigte Zangen eingesetzt; vergl. EP 1 191 270 A1 . In diesem Fall hängt es vom Geschick und der Erfahrung des Monteurs ab, ob der Klemmring mit ausreichender, aber auch nicht übermäßiger Kraft gespannt wird.Outside of industrial manufacturing, for example in repair shops, hand-operated pliers are used for clamping of clamping rings; comp. EP 1 191 270 A1 , In this case, it depends on the skill and experience of the installer, whether the clamping ring with sufficient, but not excessive force is tensioned.

Aus FR 2 317 051 A ist eine handbetätigte Zange gemäß dem Oberbegriff des Anspruchs 1 bekannt. Bei Erreichen einer vorgegebenen Schießkraft überwindet eine federbelastete Kugel einen Nocken, so dass der in der Hand das Benutzers liegende Hebel plötzlich nachgibt.Out FR 2 317 051 A a hand-operated pliers according to the preamble of claim 1 is known. Upon reaching a predetermined shooting force overcomes a spring-loaded ball a cam, so that the lever in the user's hand suddenly yields.

In US Re. 33,714 ist eine Zange mit einem Mechanismus beschrieben, der dem Benutzer fühlbar anzeigt, dass die Zangenbacken eine ausreichende Klemmkraft ausüben.In US Re. 33.714 a pair of pliers is described with a mechanism that tangibly indicates to the user that the forceps jaws exert sufficient clamping force.

WO 2006/062733 A1 offenbart eine Zange mit einem Vibrator, der signalisiert, dass sich die Zange in der Nähe eines spannungsführenden Gegenstands befindet. WO 2006/062733 A1 discloses a pair of pliers with a vibrator that signals that the pliers are near a live object.

Der Erfindung liegt die Aufgabe zugrunde, eine handbetätigte Zange anzugeben, die die Erzeugung einer vorgesehenen Kraft gewährleistet.The invention has for its object to provide a hand-operated pliers, which ensures the generation of an intended force.

Die erfindungsgemäße Lösung dieser Aufgabe ist in Anspruch 1 angegeben. Die danach vorgesehene Einrichtung signalisiert die Erzeugung einer vorgegebenen Schließkraft zwischen den Zangenbacken. Dadurch lässt sich etwa beim Spannen von Klemmringen sicherstellen, dass eine vorgegebene Kraft erreicht, aber nicht überschritten wird. Die bei Erreichen der vorgegebenen Schließkraft erzeugte Vibration wird ummittelbar auf die die Zange betätigende Hand des Benutzers übertragen und daher auf jeden Fall wahrgenommen. Anders als bei einem sicht- oder hörbaren Signal wird die Aufmerksamkeit des Monteurs nicht abgelenkt, und das Signal bleibt nicht unbemerkt. Da ferner die Hand bei Erreichen der vorgegebenen Kraft die Zange besonders fest umschließt, wird das fühlbare Signal entsprechend deutlich übertragen. Da die beiden den einen Zangenschenkel bildenden Hebel um das Gelenk der Zange selbst schwenkbar sind, ist die Zange in der Herstellung kostengünstiger.The achievement of this object is specified in claim 1. The device provided thereafter signals the generation of a predetermined closing force between the jaws. As a result, it can be ensured, for example, when clamping rings that a predetermined force is reached, but not exceeded. The upon reaching the predetermined closing force vibration generated is transmitted directly to the user's pliers-actuating hand and therefore perceived in any case. Unlike a visible or audible signal, the attention of the installer is not distracted, and the signal does not go unnoticed. Further, since the hand when reaching the predetermined force, the pliers particularly tightly encloses the tactile signal is transmitted accordingly clear. Since the two levers forming a pliers limb are pivotable about the joint of the pliers themselves, the pliers are less expensive to manufacture.

In der Weiterbildung nach den Ansprüchen 3 und 4 lässt sich die Zange so einstellen, dass das Signal bei einer an den jeweiligen Verwendungszweck, etwa den jeweils zu spannenden Klemmentyp, angepassten, individuell vorzugebenden Schließkraft erzeugt wird.In the embodiment according to claims 3 and 4, the pliers can be adjusted so that the signal is generated at a to the respective purpose, such as the respectively to exciting terminal type, adapted, individually predetermined closing force.

Die Weiterbildung der Erfindung nach Anspruch 5 betrifft eine Maßnahme zur Sicherung der mechanischen Festigkeit der Zange.The development of the invention according to claim 5 relates to a measure for securing the mechanical strength of the pliers.

Die Gestaltung der Erfindung nach Anspruch 6 ist insofern besonders günstig, als der vom Benutzer betätigte Hebel infolge seiner gehäuseartigen Form die Signaleinrichtung und die dieser zugeordneten Bauteile gegen Verschmutzung und Beschädigung schützt und gleichzeitig eine widerstandsfähige Form erhält.The design of the invention according to claim 6 is particularly advantageous in that the lever operated by the user due to its box-like shape protects the signaling device and its associated components against contamination and damage while maintaining a resistant shape.

Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnung näher erläutert, in der

Fig. 1
eine teilweise geschnittene Seitenansicht einer Zange mit Signaleinrichtung und
Fig. 2
eine vergrößerte Darstellung der Signaleinrichtung zeigt.
An embodiment of the invention will be explained below with reference to the drawing, in which
Fig. 1
a partially sectioned side view of a pliers with signaling device and
Fig. 2
an enlarged view of the signaling device shows.

Die in der Zeichnung dargestellte Zange weist zwei Schenkel 10, 11 auf, die über einen Bolzen 12 gelenkig miteinander verbunden sind und jeweils einen Backen 13, 14 tragen. Der Schenkel 10 umfasst einen inneren Hebel 15 und einen äußeren Hebel 16, wobei der innere Hebel 15 mit dem Zangenbacken 14 einstückig ausgebildet ist. Der äußere Hebel 16 ist ebenfalls um den Bolzen 12 schwenkbar gelagert. Ein Endabschnitt 17 des inneren Hebels 15 ist gegenüber dem an dem Bolzen 12 gelagerten Teil des inneren Hebels 15 auf den Schenkel 11 zu versetzt, so dass sich zwischen dem Endabschnitt 17 des inneren Hebels 15 und dem äußeren Hebel 16 ein Raum 18 ergibt.The forceps shown in the drawing has two legs 10, 11 , which are connected by a bolt 12 hinged together and each carrying a jaw 13, 14 . The leg 10 includes an inner lever 15 and an outer lever 16, wherein the inner lever 15 is formed integrally with the jaws 14 . The outer lever 16 is also pivotally mounted about the pin 12 . An end portion 17 of the inner lever 15 is opposite to the bearing on the bolt 12 part of the inner lever 15 on the leg 11 offset so that a space 18 results between the end portion 17 of the inner lever 15 and the outer lever 16 .

Die in dem Raum 18 untergebrachten Bauteile sind in Fig. 2 vergrößert dargestellt. Zu diesen Bauteilen gehören zwei Druckfedern 20, 21, deren jede auf einem am äußeren Hebel 16 befestigten Stift 22, 23 angeordnet sind und die beiden Hebel 15, 16 gegeneinander vorspannen.The components accommodated in the space 18 are in Fig. 2 shown enlarged. These components include two compression springs 20, 21, each of which are arranged on a pin 22, 23 attached to the outer lever 16 and bias the two levers 15, 16 against each other.

In das freie, gemäß Fig. 2 rechte Ende des Stiftes 22 greift eine Schraube 24 ein, die eine Bohrung in dem Endabschnitt 17 des inneren Hebels 15 durchsetzt, mit ihrem Kopf 25 an der dem Zangenschenkel 11 zugewandten Fläche des Endabschnitts 17 anliegt und dadurch den maximalen Abstand zwischen den beiden Hebeln 15 und 16 bestimmt.In the free, according to Fig. 2 right end of the pin 22 engages a screw 24 , which passes through a hole in the end portion 17 of the inner lever 15 , with its head 25 abuts the pliers leg 11 facing surface of the end portion 17 and thereby the maximum distance between the two levers 15 and 16 determined.

Das freie, gemäß Fig. 2 rechte Ende des Stiftes 23 steht der von dem Zangenschenkel 11 abgewandten Innenfläche des Endabschnitts 17 gegenüber und bildet mit dieser einen Anschlag zur Begrenzung des Mindestabstandes zwischen den Hebeln 15 und 16. The free, according to Fig. 2 right end of the pin 23 is facing away from the forceps leg 11 inner surface of the end portion 17 and forms with this a stop for limiting the minimum distance between the levers 15 and 16th

In dem Raum 18 ist ferner eine insgesamt mit 30 bezeichnete Signaleinrichtung untergebracht, die einen Vibrator 31 und eine Batterie 32 umfasst. Der Vibrator 31 und die Batterie 32 sind in einem in Fig. 2 schraffiert dargestellten Kunststoffteil 33 untergebracht, das mittels einer Schraube 34 am äußeren Hebel 16 befestigt ist.In the space 18 there is further accommodated a signaling device, generally designated 30 , which comprises a vibrator 31 and a battery 32 . The vibrator 31 and the battery 32 are in an in Fig. 2 housed hatched plastic part 33 housed, which is fastened by means of a screw 34 on the outer lever 16 .

In das Kunststoffteil 33 ist ferner eine Schraube 35 eingesetzt, deren Kopf ein erstes Kontaktelement 36 bildet. Der Endabschnitt 17 des inneren Hebels 15 wird von einer Madenschraube 37 durchsetzt, deren inneres Ende dem Kopf der Schraube 35 gegenübersteht und ein zweites Kontaktelement 38 bildet. Der Abstand zwischen den Kontaktelementen 36, 38 lässt sich durch Verdrehen der Madenschraube 37 verändern, wobei die jeweilige Lage der Madenschraube 37 durch eine Kontermutter 39 gesichert wird.In the plastic part 33 , a screw 35 is further used, the head of which forms a first contact element 36 . The end portion 17 of the inner lever 15 is penetrated by a grub screw 37 , the inner end of which faces the head of the screw 35 and forms a second contact element 38 . The distance between the contact elements 36, 38 can be changed by turning the grub screw 37 , wherein the respective position of the grub screw 37 is secured by a lock nut 39 .

Bei Benutzung umgreift die Hand die Zange derart, dass die Betätigungskraft auf den Zangenschenkel 11 und den äußeren Hebel 14 des Zangenschenkels 10 ausgeübt wird. Die auf den äußeren Hebel 16 einwirkende Kraft wird über die Druckfedern 20, 21 auf den inneren Hebel 15 und damit auf den Backen 14 übertragen.In use, the hand grips the pliers such that the actuating force is exerted on the pliers limb 11 and the outer lever 14 of the pliers limb 10 . The force acting on the outer lever 16 is transmitted via the compression springs 20, 21 to the inner lever 15 and thus to the jaws 14 .

Schließen sich die Backen 13, 14 um den zusammenzudrückenden Gegenstand, so bewirkt ein weiterer Kraftaufwand, dass der äußere Hebel 16 gegen die Vorspannung der Druckfedern 20, 21 in Richtung des inneren Hebels 15 geschwenkt wird, bis die Kontaktelemente 36, 38 einander berühren. Dadurch wird ein Stromkreis geschlossen, der von dem Kontaktelement 36 über einen Verbindungsdraht 40, den Vibrator 31, einen weiteren Verbindungsdraht 41, einen Kontaktstift 42, die Batterie 32, ein Kontaktblech 43 und die Metallteile der Hebel 15, 16 des Zangenschenkels 10 zu dem Kontaktelement 38 verläuft. Dadurch wird der Vibrator 31 mit Strom versorgt und bewirkt, dass der in der Hand des Benutzers liegende äußere Hebel 16 vibriert. Für den Benutzer ist dies ein Signal, das ihm zu erkennen gibt, dass eine vorgegebene Kraft erreicht ist. Diese Kraft lässt sich je nach dem Gegenstand, an den die Zange angesetzt wird, durch Ändern des Abstandes zwischen den Kontaktelementen 36, 38 einstellen.Close the jaws 13, 14 to the object to be compressed, so causes a further force that the outer lever 16 is pivoted against the bias of the compression springs 20, 21 in the direction of the inner lever 15 until the contact elements 36, 38 touch each other. Thereby, a circuit is closed, by the contact element 36 via a connecting wire 40, the vibrator 31, another connecting wire 41, a contact pin 42, the battery 32, a contact plate 43 and the metal parts of the levers 15, 16 of the forceps leg 10 to the contact element 38 runs. As a result, the vibrator 31 is energized and causes the user's hand outer lever 16 to vibrate. For the user, this is a signal that indicates that a given force has been reached. This force can be adjusted by changing the distance between the contact elements 36, 38 depending on the object to which the forceps is attached.

Der äußere Hebel 16 des Zangenschenkels 10 ist im Querschnitt U-förmig gestaltet und bildet somit ein Gehäuse, das den inneren Hebel 15, dessen Endabschnitt 17, die Druckfedern 20, 21 und das Kunststoffteil 33 mit den darin angeordneten Bauteilen auf drei Seiten, nämlich auf der in der Zeichnung linken Außenseite sowie den beiden zur Zeichenebene parallelen Seiten, umgibt. Auf diese Weise sind die Signaleinrichtung 30 und die zugehörigen Bauteile gegen mechanische Beschädigung und Verschmutzung geschützt. Die geschlossene Bauform vermeidet ferner Verletzungen an der Hand des Benutzers.The outer lever 16 of the pliers leg 10 is formed in cross-section U-shaped and thus forms a housing, the inner lever 15, the end portion 17, the compression springs 20, 21 and the plastic part 33 with the components arranged therein on three sides, namely the left in the drawing outside and the two sides parallel to the drawing, surrounds. In this way, the signaling device 30 and the associated components are protected against mechanical damage and contamination. The closed design also avoids injury to the user's hand.

Claims (6)

  1. A manually operated pair of pliers, particularly for tightening clamping rings, comprising means (30) for generating a signal perceivable by the user's hand when a predetermined closing force between the jaws (13, 14) of the pliers is reached, wherein one leg (10) of the pliers is provided with the signalling means (30) and has an inner lever (15) carrying one jaw (14) of the pliers and an outer lever (16) which is pivotal with respect to the inner lever (15) and co-operates with the other leg (11) to actuate the pliers and is resiliently biased with respect to the inner lever (15), characterised in that
    the signalling means (30) includes a vibrator (31) housed in said one leg (10), and
    the two levers (15, 16) are pivotal about the joint of the pliers.
  2. The pliers of claim 1 wherein the resilient bias is provided by two compression springs (20, 21) which are disposed in parallel between the two levers (15, 16).
  3. The pliers of claims 1 wherein mutually opposite contact elements (36, 38) are disposed at the two levers (15, 16) for closing an electric supply circuit of the vibrator (31).
  4. The pliers of claim 3 wherein the spacing between the contact elements (36, 38) is adjustable.
  5. The pliers of claim 1 including abutments (23, 25) for limiting the maximum relative movement between the two levers (15, 16).
  6. The pliers of claim 5 wherein the outer lever (15) is shaped as a housing enclosing the inner lever (15), the compression springs (20, 21), the vibrator (31) and the contact elements (36, 38), on three longitudinal sides.
EP06791675A 2006-08-25 2006-08-25 Manually actuated tongs having force monitoring Not-in-force EP2043818B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06791675T PL2043818T3 (en) 2006-08-25 2006-08-25 Manually actuated tongs having force monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/008375 WO2008022649A1 (en) 2006-08-25 2006-08-25 Manually actuated tongs having force monitoring

Publications (2)

Publication Number Publication Date
EP2043818A1 EP2043818A1 (en) 2009-04-08
EP2043818B1 true EP2043818B1 (en) 2010-02-17

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Country Status (18)

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US (1) US7793571B2 (en)
EP (1) EP2043818B1 (en)
JP (1) JP4865033B2 (en)
KR (1) KR101059620B1 (en)
CN (1) CN101400482B (en)
AT (1) ATE457850T1 (en)
AU (1) AU2006347492B2 (en)
BR (1) BRPI0621732A2 (en)
CA (1) CA2645773C (en)
DE (1) DE502006006211D1 (en)
ES (1) ES2339704T3 (en)
IL (1) IL193583A (en)
MX (1) MX2008012472A (en)
NO (1) NO330084B1 (en)
PL (1) PL2043818T3 (en)
PT (1) PT2043818E (en)
TW (1) TWI329051B (en)
WO (1) WO2008022649A1 (en)

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EP3396796A1 (en) 2017-04-25 2018-10-31 Wezag GmbH Werkzeugfabrik Press, crimping or cutting tool and tool group
EP3820001A1 (en) 2019-11-11 2021-05-12 WEZAG GmbH & Co. KG Crimping pliers, group of crimping pliers and use of a die half
EP4243222A1 (en) 2022-03-09 2023-09-13 WEZAG GmbH & Co. KG Crimping tool force sensor and crimping tool
DE102022112172A1 (en) 2022-05-16 2023-11-16 Oetiker Schweiz Ag Intelligent hand assembly pliers

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BR112015001200B1 (en) 2012-07-20 2021-10-13 Enerpac Tool Group Corp GRIP SOCKET, KEY AND METHOD OF USE
EP2826598B1 (en) * 2013-07-17 2016-12-28 Wezag GmbH Werkzeugfabrik Pressing tool with a mechanically acting pressing force limiter
TW201524704A (en) * 2013-12-27 2015-07-01 Qian-Yao Lin Pincers structure
EP2995424B1 (en) * 2014-09-11 2018-12-12 Wezag GmbH Werkzeugfabrik Pliers
USD796627S1 (en) * 2016-05-08 2017-09-05 Hisham Odish Fish skinning pliers
PL3580015T3 (en) * 2017-01-12 2022-05-02 Oetiker Tool Corporation Tool for securing a clamp
EP3572188B1 (en) * 2018-05-23 2020-10-07 Wezag GmbH Werkzeugfabrik Manual forceps tool
TWI665433B (en) * 2018-12-03 2019-07-11 中國鋼鐵股份有限公司 Water pipe clamp performance test system and test method
DE102021124667A1 (en) 2021-09-23 2023-03-23 Bayerische Motoren Werke Aktiengesellschaft Method for detecting a fixing force of a tool for fixing a clamping means to be deformed, in particular plastically, by the fixing force

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BRPI0621732A2 (en) 2011-12-20
PL2043818T3 (en) 2010-07-30
NO330084B1 (en) 2011-02-14
TWI329051B (en) 2010-08-21
JP4865033B2 (en) 2012-02-01
TW200824852A (en) 2008-06-16
WO2008022649A1 (en) 2008-02-28
AU2006347492B2 (en) 2010-04-22
US7793571B2 (en) 2010-09-14
MX2008012472A (en) 2008-10-10
EP2043818A1 (en) 2009-04-08
ATE457850T1 (en) 2010-03-15
US20090019974A1 (en) 2009-01-22
CA2645773C (en) 2012-01-03
CA2645773A1 (en) 2008-02-28
CN101400482A (en) 2009-04-01
JP2009532217A (en) 2009-09-10
PT2043818E (en) 2010-03-02
AU2006347492A1 (en) 2008-02-28
DE502006006211D1 (en) 2010-04-01
ES2339704T3 (en) 2010-05-24
NO20084592L (en) 2008-10-29
KR20090014310A (en) 2009-02-09
IL193583A (en) 2011-09-27
KR101059620B1 (en) 2011-08-25
CN101400482B (en) 2011-04-06

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