Work holders – With fluid means – Plural positioning means sequentially operated
Patent
1990-06-11
1991-05-07
Watson, Robert C.
Work holders
With fluid means
Plural positioning means sequentially operated
269 32, 269 91, 269 27, B23Q 308
Patent
active
050130153
ABSTRACT:
A swing clamp for clamping work pieces to a fixture is mechanically actuated. The clamp has a body with a base. The base has a threaded hole in it. A mandrel is carried by the body. A clamp member is mounted to one end of the mandrel. A shaft extends through the mandrel and engages a threaded hole in the base. A translational device changes rotational movement of the shaft to linear movement of the mandrel. A guide causes the mandrel to swing about 90 degrees during this linear movement. This releases and actuates the clamp member.
REFERENCES:
patent: 1801222 (1931-04-01), Cayo
patent: 2650523 (1953-09-01), Zwick
patent: 3397879 (1968-08-01), Morawski et al.
patent: 3572216 (1971-03-01), Seesody
patent: 3948502 (1976-04-01), Waller et al.
patent: 4508327 (1985-04-01), Ersoy
Bradley James E.
General Dynamics Corporation
Watson Robert C.
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