Work holders – With fluid means – Cylinder-piston means in series with additional positioning...
Patent
1982-05-10
1983-08-02
Watson, Robert C.
Work holders
With fluid means
Cylinder-piston means in series with additional positioning...
269 93, 269233, 269228, B23Q 308
Patent
active
043961835
ABSTRACT:
A power actuated workpiece clamp includes a clamping arm actuated by linear movement of a powered actuator member via a compound linkage. The linkage is such that the arm is maintained in the clamping position by a linkage geometer wherein three pivots of the compound linkage lie in a common plane aligned with the line of action of the force urging the clamp arm to its open position.
REFERENCES:
patent: 3347542 (1967-10-01), Mericle
patent: 3565415 (1971-02-01), Blatt
patent: 3724837 (1973-04-01), McPherson
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