Chuck

Details Chuck Chuck

1991-05-24

1992-07-14

Bishop, Steven C.

Chucks or sockets

Radially reciprocating jaws

Jaws

279124, B23B 3116

Patent

active

051296624

ABSTRACT:
A chuck having at least one jaw assembly that is radially displaceably guided in a chuck body and comprises a driving jaw and a clamping jaw. A coupling member is mounted in the driving jaw in such a way as to be displaceable at right angles to guides provided in the chuck body for the jaw assembly, with the coupling member being displaceable between an uncoupling position and a coupling position in which the coupling member is in positive engagement with a back side of the clamping jaw. An eccentric unit is rotatably mounted in the driving jaw for effecting the displacement of the coupling member, with the eccentric unit having a nonconcentric shaft that is disposed in a transverse slot of the coupling member. The ecccentric unit is also mounted in a driving jaw in such a way as to be axially displaceable between two end positions, with the eccentric unit being provided with a stop member that in one of the end positions thereof is disposed in the transverse slot of the coupling member when the latter is in its coupling position to thereby positively hold the coupling member in such coupling position.

REFERENCES:
patent: 4362306 (1982-12-01), Rohm
patent: 4639001 (1987-01-01), Berado
patent: 4969654 (1990-11-01), Theodolin

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