Self-actuating keyless chuck

Details Self-actuating keyless chuck Self-actuating keyless chuck

1988-01-20

1989-06-20

LaRoche, Eugene R.

Chucks or sockets

With fluid-pressure actuator

Socket type

279 61, B23B 522, B23B 534

Patent

active

048403873

ABSTRACT:
A self-actuating keyless chuck for use with a reversible powered driver is disclosed. The chuck comprises a body which carries a rotatable split nut and a plurality of slidable jaws driven by the rotatable nut. A sleeve member is rotatably connected to the body and carries an impact ring provided with a first impact dog. A second impact dog is associated with the split nut. Spring means are provided to bias the first impact dog toward engagement with the second impact dog whereby the jaws will be tightened or loosened whenever the rotation of the sleeve is restrained and the powered driver is actuated.

REFERENCES:
patent: 4260169 (1981-04-01), Hall
patent: 4423881 (1984-01-01), Whitehead
patent: 4526497 (1985-07-01), Hatfield
patent: 4669932 (1987-06-01), Hartly
patent: 4682918 (1987-07-01), Palm

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