Expander locking plier

Details Expander locking plier Expander locking plier

2006-02-07

2006-02-07

Wilson, Lee D. (Department: 3723)

Tools

Tool jaw

Jaw-actuating means

C081S389000, C081S302000

Reexamination Certificate

active

06993999

ABSTRACT:
A clamping device utilizes the mechanism of conventional vise-grip locking pliers to clamp internally or to expand workpieces with adjustable force. The invention comprises a fixed arm, a movable arm with quick release mechanism, a pair of special design, crossed clamping arms with jaws. Also included with the invention is the rear adjustment screw attached to one end of the fixed arm for setting the clamping gap and the clamping force.

REFERENCES:
patent: 4289050 (1981-09-01), Scafaro
patent: 4317986 (1982-03-01), Sullivan
patent: 4344215 (1982-08-01), Dearman
patent: 4716899 (1988-01-01), Huenefeld et al.
patent: 6578452 (2003-06-01), Duffy

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