EP0158062A1 - Tool for crimping, cutting, pressing and the like - Google Patents
Tool for crimping, cutting, pressing and the like Download PDFInfo
- Publication number
- EP0158062A1 EP0158062A1 EP85101818A EP85101818A EP0158062A1 EP 0158062 A1 EP0158062 A1 EP 0158062A1 EP 85101818 A EP85101818 A EP 85101818A EP 85101818 A EP85101818 A EP 85101818A EP 0158062 A1 EP0158062 A1 EP 0158062A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressing
- tool
- handle lever
- pawl
- crimping
- 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
Links
- 238000002788 crimping Methods 0.000 title claims abstract description 6
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
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
- B25B7/14—Locking means
Definitions
- the invention relates to a tool for crimping, cutting, pressing od.
- Such tools are already in use and are provided with a toothed segment provided on one handle lever and a pawl which engages in this on the other handle lever.
- the lack of such tools is that they can only be opened again when a single final pressure is exceeded, with the result that all workpieces to be processed must have the same final pressure. This is disadvantageous in practice if the tool is to be used for different work and different workpieces.
- the object of the invention is to remedy this deficiency and to create a general-purpose tool which can be adapted to a wide variety of workpieces or to the end pressure required in each case.
- the latch is preferably mounted in a fork, which is mounted in the handle lever in the direction of the toothed segment by means of a threaded pin and an adjusting nut attached to it.
- the latch is acted upon by a spring which retracts it into the latched position after each operation.
- the two operating handles 1 and 2 are shown, which are articulated to one another and can be opened and closed for the purpose of operating the tool.
- the two handle levers are usually pressed from sheet metal. As shown in FIG. 1, they have a U-shaped cross section that is open towards the other handle lever.
- the handle lever 1 has at a certain distance from the pivot pin an inwardly directed tooth segment 3, which carries the toothing 4 on its outside.
- an inwardly projecting bearing 5 is provided, in which the pawl 6 is mounted, which cooperates with the toothing 4 on the tooth segment 3.
- the pawl 6 is provided on one side (Fig. 2) with a projecting nose 7 and a lever 8. It is freely rotatable with a bore 9 on a pivot pin 10, which is inserted into the openings 12 of a fork 11, but also extends into the elongated bearing openings 13 of the bearing 5 and serves here as a guide. By means of a tension spring 14, the latch 6 is always retracted into its latched position.
- the forced lock according to the invention can be used with all types of tools that are actuated by pivotable handle levers, for example wise pliers of all kinds and tools for crimping, cutting, pressing or the like with a linear working path, where it is important not to open or release the tool as long as the final pressure required for the deformation of the workpiece has not been reached.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Press Drives And Press Lines (AREA)
- Scissors And Nippers (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
Die Erfindung betrifft ein Werkzeug zum Crimpen, Schneiden, Pressen od. dgl., mit einem Werkzeugkopf und an diesem angeordneten Griffhebeln zur Betätigung der Werkzeuge sowie mit einer zwischen die Griffhebel eingeschalteten, als Ratsche ausgebildeten Zwangssperre zur Festlegung des für die Verpressung erforderlichen Enddruckes. Solche Werkzeuge sind bereits in Gebrauch und mit einem an einem Griffhebel vorgesehenen Zahnsegment und einer in dieses einrastende Klinke am anderen Griffhebel versehen. Der Mangel solcher Werkzeuge besteht darin, daß sie lediglich beim überschreiten eines einzigen Enddruckes wieder zu öffnen sind, was zur Folge hat, daß alle zur Verarbeitung gelangenden Werkstücke einen gleichen Enddruck aufweisen müssen. Dies macht sich in der Praxis nachteilig bemerkbar, wenn das Werkzeug für verschiedene Arbeiten und verschiedene Werkstücke Verwendung finden soll.The invention relates to a tool for crimping, cutting, pressing od. Such tools are already in use and are provided with a toothed segment provided on one handle lever and a pawl which engages in this on the other handle lever. The lack of such tools is that they can only be opened again when a single final pressure is exceeded, with the result that all workpieces to be processed must have the same final pressure. This is disadvantageous in practice if the tool is to be used for different work and different workpieces.
Aufgabe.der Erfindung ist es, diesen Mangel zu beheben und ein allgemein verwendbares Werkzeug zu schaffen, welches an die verschiedensten Werkstücke bzw. an den je- weils erforderlichen'Enddruck anzupassen ist.The object of the invention is to remedy this deficiency and to create a general-purpose tool which can be adapted to a wide variety of workpieces or to the end pressure required in each case.
Dies wird erfindungsgemäß dadurch daß die Lagerung der Rastklinke im Griffhebel zur Veränderung und Einstellung des für die Verpressung erforderlichen Enddruckes verstellbar ist.This is inventively in that the storage of the latch in the handle lever for changing and adjusting the final pressure required for pressing is adjustable.
Vorzugsweise lagert die Rastklinke in einer Gabel, die mittels eines daran sitzenden Gewindezapfens und einer Stellmutter in Richtung des Zahnsegments im Griffhebel gelagert ist. Die Rastklinke ist dabei mit einer sie nach jedem Arbeitsgang in die Raststellung zurückziehenden Feder beaufschlagt.The latch is preferably mounted in a fork, which is mounted in the handle lever in the direction of the toothed segment by means of a threaded pin and an adjusting nut attached to it. The latch is acted upon by a spring which retracts it into the latched position after each operation.
Der Erfindungsgedanke läßt die verschiedensten Ausführungsmöglichkeiten zu. Eine davon ist in der anliegenden Zeichnung wiedergegeben, und zwar zeigen:
- Fig. 1 einen Teil eines Werkzeuges zum Crimpen, Schneiden, Pressen od. dgl.,
- Fig. 2 eine Darstellung im vergrößerten Maßstab der für die Zwangssperre erforderlichen Bauteile
und - Fig. 3 einen Schnitt nach den Linien I-I durch Fig. 1.
- 1 shows a part of a tool for crimping, cutting, pressing or the like.
- Fig. 2 is an illustration on an enlarged scale of the components required for the positive lock
and - 3 shows a section along lines II through FIG. 1.
Von dem in Frage stehenden Werkzeug sind nur die beiden Bedienungsgriffe 1 und 2 wiedergegeben, die aneinander angelenkt und zum Zwecke der Betätigung des Werkzeuges auf- und abklappbar sind. Üblicherweise sind die beiden Griffhebel aus Metallblech gepreßt. Sie haben, wie in Fig. 1 eingezeichnet, einen U-förmigen Querschnitt, der nach dem anderen Griffhebel hin offen ist.Of the tool in question, only the two
Der Griffhebel 1 hat in einer gewissen Entfernung vom Gelenkzapfen ein nach innen gerichtetes Zahnsegment 3, das auf seiner Außenseite die Verzahnung 4 trägt. Am anderen Griffhebel 2 hingegen ist eine nach innen vorspringende Lagerung 5 vorgesehen, in welcher die Schaltklinke 6 lagert, die mit der Verzahnung 4 am Zahnsegment 3 zusammenarbeitet.The
Die Schaltklinke 6 ist auf einer Seite (Fig. 2) mit einer vorspringenden Nase 7 und einem Hebel 8 versehen. Sie lagert frei drehbar mit einer Bohrung 9 auf einem Drehzapfen 10, der in die öffnungen 12 einer Gabel 11 eingesetzt ist, aber darüber hinaus noch bis in die länglichen Lageröffnungen 13 der Lagerung 5 hineinreicht und hier als Führung dient. Vermittels einer Zugfeder 14 wird.die Rastklinke 6 immer wieder in ihre Raststellung zurückgezogen.The
An der Gabel 11 sitzt weiterhin ein Gewindezapfen 15, auf den eine Stellmutter 16 aufgeschraubt ist, die sich dabei allerdings in einem Schlitz 17 des Griffhebels 2 führt, so daß durch mehr oder weniger starkes Verdrehen der Mutter 16 die Gabel 11 mit der darin gelagerten Rastklinke 6 mehr oder weniger weit zurückgezogen werden kann. Dadurch wird der Eingriffszeitpunkt der Klinke 6 in dem Zahnsegment 3, 4 und damit der Zeitpunkt des Erreichens des Pressenenddruckes verändert.On the
Selbstverständlich kann die erfindungsgemäße Zwangssperre bei allen Arten von Werkzeugen verwendet werden, die durch verschwenkbare Griffhebel betätigt werden, also beispielsweise Zangen aller Art und Werkzeuden zum Crimpen, Schneiden, Pressen od. dgl. mit linearem Arbeitsweg, wo es darauf ankommt, das Werkzeug nicht zu öffnen oder freizugeben, so lange nicht der für die Verformung des Werkstückes erforderliche Enddruck erreicht ist.Of course, the forced lock according to the invention can be used with all types of tools that are actuated by pivotable handle levers, for example wise pliers of all kinds and tools for crimping, cutting, pressing or the like with a linear working path, where it is important not to open or release the tool as long as the final pressure required for the deformation of the workpiece has not been reached.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85101818T ATE36823T1 (en) | 1984-03-28 | 1985-02-20 | TOOL FOR CRIMPING, CUTTING, PRESSING OR THE LIKE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843411459 DE3411459A1 (en) | 1984-03-28 | 1984-03-28 | TOOLS FOR CRIMPING, CUTTING, PRESSING OR THE LIKE. |
DE3411459 | 1984-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0158062A1 true EP0158062A1 (en) | 1985-10-16 |
EP0158062B1 EP0158062B1 (en) | 1988-08-31 |
Family
ID=6231901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85101818A Expired EP0158062B1 (en) | 1984-03-28 | 1985-02-20 | Tool for crimping, cutting, pressing and the like |
Country Status (5)
Country | Link |
---|---|
US (1) | US4608888A (en) |
EP (1) | EP0158062B1 (en) |
JP (1) | JPS60217068A (en) |
AT (1) | ATE36823T1 (en) |
DE (1) | DE3411459A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104490461A (en) * | 2014-11-28 | 2015-04-08 | 江苏双羊医疗器械有限公司 | Crimping pliers |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5012666A (en) * | 1989-07-24 | 1991-05-07 | Chen Ching Wen | Crimp tool with adjustable jaw |
US6840078B1 (en) * | 2000-08-22 | 2005-01-11 | Hj. Martin & Son, Inc. | Tool for shaping a workpiece |
US9003859B2 (en) * | 2011-04-01 | 2015-04-14 | University of Alaska Anchorage | Bending instrument and methods of using same |
US20150158151A1 (en) * | 2013-11-01 | 2015-06-11 | Curtis Brown | Ratchet adjustable locking pliers |
US9421596B2 (en) | 2014-04-16 | 2016-08-23 | University of Alaska Anchorage | Bending instrument and methods of using same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3157075A (en) * | 1962-01-17 | 1964-11-17 | Sargent & Co | Plier type tool with motion-compelling mechanism |
CH414497A (en) * | 1964-10-23 | 1966-05-31 | Kasper Otto | Toggle clamp pliers |
US3277751A (en) * | 1965-05-06 | 1966-10-11 | Sargent & Co | Motion-compelling mechanism for a hand tool |
DE2854633A1 (en) * | 1977-12-23 | 1979-06-28 | Thomas & Betts Corp | TOOL |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA480041A (en) * | 1948-01-14 | 1952-01-08 | Aircraft-Marine Products Inc. | Tool |
AT187165B (en) * | 1948-01-14 | 1956-10-25 | Aircraft Marine Prod Inc | Notching tool for making pipe connections |
US2842996A (en) * | 1956-03-12 | 1958-07-15 | Plomb Tool Company | Compound leverage toggle locking pliers |
DE2404161A1 (en) * | 1973-02-12 | 1974-08-15 | Pressmaster Ag | TOOL, PREFERABLY PLIERS, FOR NOTCHING OR COMPRESSING SLEEVES SUCH AS CABLE LUGS ETC. |
JPS5228240U (en) * | 1975-08-20 | 1977-02-26 |
-
1984
- 1984-03-28 DE DE19843411459 patent/DE3411459A1/en active Granted
-
1985
- 1985-02-20 EP EP85101818A patent/EP0158062B1/en not_active Expired
- 1985-02-20 AT AT85101818T patent/ATE36823T1/en not_active IP Right Cessation
- 1985-03-27 US US06/716,483 patent/US4608888A/en not_active Expired - Lifetime
- 1985-03-28 JP JP60062221A patent/JPS60217068A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3157075A (en) * | 1962-01-17 | 1964-11-17 | Sargent & Co | Plier type tool with motion-compelling mechanism |
CH414497A (en) * | 1964-10-23 | 1966-05-31 | Kasper Otto | Toggle clamp pliers |
US3277751A (en) * | 1965-05-06 | 1966-10-11 | Sargent & Co | Motion-compelling mechanism for a hand tool |
DE2854633A1 (en) * | 1977-12-23 | 1979-06-28 | Thomas & Betts Corp | TOOL |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104490461A (en) * | 2014-11-28 | 2015-04-08 | 江苏双羊医疗器械有限公司 | Crimping pliers |
Also Published As
Publication number | Publication date |
---|---|
JPS60217068A (en) | 1985-10-30 |
EP0158062B1 (en) | 1988-08-31 |
DE3411459A1 (en) | 1985-10-10 |
JPH0448587B2 (en) | 1992-08-07 |
ATE36823T1 (en) | 1988-09-15 |
DE3411459C2 (en) | 1987-06-19 |
US4608888A (en) | 1986-09-02 |
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