Hands-free hydraulic vise

Details Hands-free hydraulic vise Hands-free hydraulic vise

1991-02-04

1992-07-28

Watson, Robert C.

Work holders

With fluid means

Cylinder-piston means directly moves jaw

269283, B25B 124

Patent

active

051335360

ABSTRACT:
A hands-free vise includes a slide element that is slidably mounted on a body and a hydraulic unit that moves the slide element with respect to the body. The hydraulic unit includes a piston connected to the body and a cylinder connected to the slide element. Hydraulic fluid is moved into and out of a chamber which also contains a piston head to move the housing with respect to the piston. Hydraulic fluid is moved into and out of the chamber by a foot-controlled pump in a pump and reservoir unit.

REFERENCES:
patent: 530733 (1894-12-01), Tower
patent: 2656820 (1953-10-01), Becker
patent: 4519592 (1985-05-01), Russell
patent: 4605208 (1986-08-01), Durham
patent: 4706949 (1987-11-01), Dossey et al.
patent: 4844431 (1989-07-01), Camp et al.

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