Chuck jaw locking apparatus for rotatable machine tool

Details Chuck jaw locking apparatus for rotatable machine tool Chuck jaw locking apparatus for rotatable machine tool

1994-08-12

1996-03-12

Bishop, Steven C.

Chucks or sockets

Accessory or component

Jaw insert

279123, 279 466, B23B 3120, B23B 3116

Patent

active

054980089

ABSTRACT:
This disclosure is directed to a chuck system for a machine tool such as a lathe. It incorporates an elongate cylindrical body which terminates in a set of collet fingers having enlargements at the detail end whereby the enlargements define a circular body. The circular body is divided by slots to form collet fingers with enlargements at the ends of the collet fingers. A circumferential groove is formed having a registration shoulder for all of the lock jaw segments. Each lock jaw segment has a protruding tab. The tab is locked by positioning against the face of the groove and is registered against movement by jamming against a transverse post in the groove which shoulders against a conforming notch on the locking tab. A set screw holds the components in fixed location, and release is accomplished by unthreading the set screw.

REFERENCES:
patent: 2950117 (1960-08-01), Walmsley
patent: 3744809 (1973-07-01), Bennett

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