Self-centering fixture

Details Self-centering fixture Self-centering fixture

1980-11-17

1983-01-25

Watson, Robert C.

Work holders

With fluid means

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

269235, 269238, 269282, 269283, B23Q 308

Patent

active

043699561

ABSTRACT:
A self-centering fixture makes use of an air actuated motor which is drivingly rotated in one direction. The fixture has a pair of levers pivoted to a base. As the motor is actuated, a cam positioned between the longer arms of each lever rotates and acts to move the longer arms apart. Thus, on the other side of the pivot, jaws on the shorter arms move towards one another to grasp the workpiece. The workpiece is released by reversely activating the motor. Since the cam is counteracted by springs which pull the long ends together, the jaws open.

REFERENCES:
patent: 1485731 (1924-03-01), Stangbye
patent: 1866125 (1932-07-01), Patterson
patent: 2620693 (1952-12-01), Eslich
patent: 2850926 (1958-09-01), Jobe
patent: 3232601 (1966-02-01), Long et al.
patent: 3774897 (1973-11-01), Klancnik

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