Hydraulic clamp

Details Hydraulic clamp Hydraulic clamp

1992-02-21

1993-01-26

Watson, Robert C.

Work holders

With fluid means

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

269136, 269137, B23Q 308

Patent

active

051817012

ABSTRACT:
A clamping device including a clamp housing a generally horizontally extending cylinder bore that opens into an upwardly and rearwardly sloping guide bore formed in a front portion of the clamp housing is disclosed. A clamping member is shiftably mounted within the guide bore and a piston is shiftably mounted within the cylinder bore. The clamping member is formed with a groove into which a projection, carried by the piston, is fitted. By this arrangement, movement of the piston forces the clamping member to shift in an inclined direction between clamping and unclamping positions.

REFERENCES:
patent: 2987972 (1961-06-01), Schneider
patent: 3248122 (1966-04-01), Roddy
patent: 3512794 (1970-05-01), Lohman
patent: 3595112 (1971-07-01), De George
patent: 4406445 (1983-09-01), Seidel
patent: 4410169 (1983-10-01), Swenson
patent: 4506871 (1985-03-01), Yonezawa
patent: 4932640 (1990-06-01), Shirakawa
patent: 5071109 (1991-12-01), Yonezawa

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