Adjustable locking hand tool

Details Adjustable locking hand tool Adjustable locking hand tool

1988-08-31

1989-07-25

Schmidt, Frederick R.

Tools

Tool jaw

Jaw-actuating means

81129, 269228, B25B 712

Patent

active

048502545

ABSTRACT:
A locking hand tool has an adjustable jaw and an opposing movable infinitesimally adjustable jaw, a fixed handle and a movable handle and lever-locking means therebetween for establishing and maintaining a toggle relation between the jaws when in a closed position, an extension bar at a fixed angle to the fixed handle, means for supporting and moving the movable jaw along the extension bar, and means for holding it securely at any position, whereby a user can clamp on and hold a workpiece securely with the use of only one hand.

REFERENCES:
patent: 3933346 (1976-01-01), Carver
patent: 4088313 (1978-05-01), Pearson
patent: 4563921 (1986-01-01), Wallace
James Morton, Hand Clamp Catalog 185, pp. 3 & 4, 5/22/86.
James Morton, Hand Clamp Catalog 185, p. 5, "Bessey Deep Reach Clamp", 5/22/86.

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