Clamp with rockable jaw face plate

Details Clamp with rockable jaw face plate Clamp with rockable jaw face plate

1976-01-07

1978-01-17

Watson, Robert C.

Work holders

Relatively movable jaws

Jaw features

B25B 122

Patent

active

040688348

ABSTRACT:
A jaw for use in a clamp in which there are two relatively movable jaws on a frame to clamp board stock between them, said jaw including a body and a face plate having a rib abutting the face of said body as a horizontal fulcrum for rocking of the face plate, and a spring device engaging both said body and the rear side of said face plate on at least one side of said rib and constituting a resilient mounting of said face plate on said jaw body providing for even distribution of the clamping force to the upper and lower portions of the boards, one form of the resilient mounting means including two brackets held on the jaw body by a tension spring connecting the brackets and extending in a groove across the front side of the face plate, each bracket having resilient arms engaging the back of the face plate at opposite sides of said fulcrum.

REFERENCES:
patent: 228245 (1880-06-01), Brady
patent: 508732 (1893-11-01), Mason
patent: 3685817 (1972-08-01), Worthington

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