Collet chuck

Details Collet chuck Collet chuck

1996-01-04

1997-08-05

Bishop, Steven C.

Chucks or sockets

Socket type

Spring biased jaws

279 463, 279137, 433129, B23B 3120

Patent

active

056534531

ABSTRACT:
An object of the present invention is to provide a collet chuck in which a chuck section of a collet is so formed as to provide a greater chucking force when the collet chuck is turned. To accomplish this object, a collet chuck is provided in which a collet mounted on the axis of rotation of a rotating element which rotates in one direction, and having a chuck section which is guided for closing by a guide section of a retainer which is interposed between the rotating element and the collet and moves on the axis of rotation, is adapted to hold a member to be chucked by inserting into an insertion hole of the collet, and the chuck section of the collet is formed in a spiral configuration having a plurality of slits cut from one end of the retainer side and in the opposite direction of rotation along the direction of the axis of rotation.

REFERENCES:
patent: 5074789 (1991-12-01), Shibata

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