Speed wrench equipped with jaw auxiliary operational mechanism

Details Speed wrench equipped with jaw auxiliary operational mechanism Speed wrench equipped with jaw auxiliary operational mechanism

1984-08-13

1987-03-24

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Double-ended, simultaneous adjustment

81 99, B25B 1328

Patent

active

046515976

ABSTRACT:
A speed wrench is equipped with an auxiliary jaw mechanism which can be selectively opened and closed by the action of a control link, thereby allowing the auxiliary jaw mechanism to clamp differently sized workpieces such as a screw nut or bolt. In order to accomplish this function, the speed wrench has a handle, a movable jaw, a movable jaw pin, a closed end wrench jaw, a joiner pin, a plate slidably mounted in a slot in the handle and an element for biasing the plate within the slot.

REFERENCES:
patent: 1576918 (1926-03-01), Lidell
patent: 1581915 (1926-04-01), Bradley
patent: 2467658 (1949-04-01), Cornelli
patent: 2914979 (1959-12-01), Weinstein

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