Work holders – With fluid means – Plural positioning means sequentially operated
Patent
1982-06-30
1984-05-29
Watson, Robert C.
Work holders
With fluid means
Plural positioning means sequentially operated
269 32, 269 93, B23Q 308
Patent
active
044510268
ABSTRACT:
A clamping member is urged to move in a first direction along a path substantially parallel to a work supporting surface in response to the application of a single linear force, such as a fluid actuated motor. Stop means limit the travel of the clamping member in the first direction. In response to continued force applied by the fluid motor, the clamping member is caused to move in a second direction anchoring a workpiece to the work supporting surface.
REFERENCES:
patent: 2908205 (1959-10-01), Furman et al.
patent: 3302943 (1967-02-01), Mericle
patent: 3578306 (1971-05-01), Smith
patent: 3700227 (1972-10-01), Sessody
patent: 3724837 (1973-04-01), McPherson
patent: 3970296 (1976-07-01), Rameson
patent: 3993296 (1976-11-01), Daniels
patent: 4365792 (1982-12-01), Johns
Flickinger Don J.
Stevens Engineering Inc.
Watson Robert C.
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