Tool chuck for a turning machine such as a drill

Details Tool chuck for a turning machine such as a drill Tool chuck for a turning machine such as a drill

1990-12-11

1993-02-16

Schwartz, Larry I.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279147, B23B 3112

Patent

active

051864789

ABSTRACT:
A chuck includes a body mounted on the motor shaft of a machine. A plurality of jaws is mounted to slide in bores and converge forward. A sleeve surrounds the body and is mounted to pivot around the latter. The jaws have an outer threaded part which meshes with a nut surrounding the jaws and integral with the sleeve surrounding the body. A series of balls is interposed between the face of the nut which faces rearward and the body of the chuck. The balls abut a ring made of a hard material, and that ring in turn abuts a ring made of synthetic material which exhibits shock-absorbent characteristics and is locked against the body.

REFERENCES:
patent: 911012 (1909-01-01), Jacobs
patent: 1369412 (1921-02-01), Englund
patent: 1473488 (1923-11-01), McConnell
patent: 1532329 (1925-04-01), McConnell
patent: 3807745 (1974-04-01), Bent
patent: 4272087 (1981-06-01), Rohm
patent: 4274642 (1981-06-01), Wunsch
patent: 4842288 (1989-06-01), Ando

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