Jaw plate

Details Jaw plate Jaw plate

1985-04-05

1986-03-04

Schmidt, Frederick R.

Work holders

Relatively movable jaws

Jaw features

B25B 124

Patent

active

045736693

ABSTRACT:
A machine vise having a first jaw with a flat, inwardly disposed inner face, a second jaw with a flat, inwardly disposed inner face, opposing the inner face of the first jaw, a jaw plate carried by each jaw and including a block-like body with a flat face in bearing engagement with the inner face of the jaw and flat, inwardly disposed work-engaging surface, fasteners securing the body on the jaw, one or both of said jaws includes a vertically adjustable steady rest comprising an elongate, work-engaging bar adjacent to and extending laterally of the work-engaging surface, an elongate vertical through opening with opposing vertical sides in the body and opening at the face and work-engaging surface, a pair of elongate vertical wedges at the sides of the opening and having inwardly convergent opposing guide surfaces, a block fixed to the bar and having inwardly convergent faces slidably engaging the wedges, a retainer for the block and the wedges and an elongate vertical jack screw rotatably carried by the body and threadedly engaged through the block.

REFERENCES:
patent: 461202 (1891-10-01), Pentz
patent: 617113 (1899-01-01), Marcille
patent: 2005222 (1935-06-01), Criley
patent: 2203162 (1940-06-01), Lee
patent: 3465669 (1969-09-01), Doudet
patent: 3901127 (1975-08-01), Stone
patent: 4216950 (1980-08-01), Mason

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