Metal working vise

Details Metal working vise Metal working vise

1991-01-24

1992-05-19

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means in series with additional positioning...

269136, B23Q 308

Patent

active

051141264

ABSTRACT:
In construction of a metalworking vise having a fixed base, a stationary jaw mounted atop the front end portion of the fixed base, a slide jaw arranged facing the stationary jaw, and a piston movable into a hydraulic chamber to raise its fluid pressure, a holder shaft provided at its front end with an axial extension defining the hydraulic chambers and a force magnifying mechanism is arranged in the fixed base near the stationary jaw. The specified location of the force magnifying mechanism allow generation of a large clamp force at high precision in clamping position without causing any substantial warping of the fixed base.

REFERENCES:
patent: 3603579 (1971-09-01), Odom
patent: 4664364 (1987-05-01), Lymburner
patent: 4949943 (1990-08-01), Bernstein
patent: 4973033 (1990-11-01), Sun

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