Double-cam power chuck

Details Double-cam power chuck Double-cam power chuck

1981-12-28

1985-02-05

Bell, Paul A.

Chucks or sockets

Radially reciprocating jaws

Lever actuated

279 1DA, 279106, 279118, B23B 534, B23B 522, B23B 2500, B23B 3112

Patent

active

044974990

ABSTRACT:
A chuck with radially reciprocating jaws is disclosed wherein each jaw is supported on a jaw support member movable relative to a base. An actuator is axially disposed in the base for axial reciprocation, the actuator having pivotally connected first and second links which extend radially from the actuator to engage the jaw support member. An eccentric cam connects each of the links to the jaw support member so as to translate the axial motion of the actuator into radial motion of the jaw member. One of the eccentrics has a fixed defined axis with respect to the base, while the other eccentric is received in bushings which are axially slidable with respect to the base.

REFERENCES:
patent: 2722427 (1955-11-01), Labeyrie
patent: 2736563 (1956-02-01), Work
patent: 2758843 (1956-08-01), Coulson
patent: 2767994 (1956-10-01), Gamet
patent: 3365206 (1968-01-01), Hohwart et al.
patent: 3404896 (1968-10-01), Stace et al.
patent: 3433491 (1969-03-01), Longuski et al.
patent: 3468550 (1969-09-01), Platt et al.
patent: 3604717 (1971-09-01), Hohwart
patent: 4262410 (1981-04-01), Roberts

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