Clamping or expanding pliers

Details Clamping or expanding pliers Clamping or expanding pliers

2005-12-13

2005-12-13

Wilson, Lee D. (Department: 3723)

Tools

Tool jaw

With means to immobilize jaws

C081S318000, C081S324000, C269S003000

Reexamination Certificate

active

06973859

ABSTRACT:
Locking or expanding pliers (1) having two plier arms (4, 5) which arc joined to each other in the manner of a scissor-type joint. The arms forming grip sections (6, 7) on one end and clamping sections (12, 13) on the other end and being able to be locked in various clamping positions, whereby the clamping results from the elastic deformation of at least one of the two plier arms (4, 5) occurring when the plier arms (4, 5) are placed in a clamping position. A spring element (F) is arranged in the active area between the clamping section and the grip section in order to achieve improved proportioning of the clamping force, whereby both grip sections (6, 7) can be disposed on top of each other and placed in another locking position (19, 20), when both clamping sections (12, 13) are maintained in a distanced position (a), in order to increase clamping power.

REFERENCES:
patent: 5041028 (1991-08-01), Stähle
patent: 5842371 (1998-12-01), Liaw
patent: 6116124 (2000-09-01), Ping
patent: 6564703 (2003-05-01), Lin
patent: D491433 (2004-06-01), Noniewicz
patent: 199 33 033 (2000-08-01), None
patent: WO 00/47371 (2000-08-01), None

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