Chucks or sockets – Expanding – Collet type
Patent
1998-11-04
1999-12-07
Bishop, Steven C.
Chucks or sockets
Expanding
Collet type
279 409, 279 465, 279 469, 279 50, 279 54, 279157, B23B 3120, B23B 3140
Patent
active
059970103
ABSTRACT:
A collet is provided to grip a workpiece with a uniformly distributed gripping force. The collet includes a plurlity of circumferentally spaced-apart radial slots extending partly through the collet and at least one opening extending radially all the way through the collet and lying between the end surfaces of the collet. Shim slots are formed in the end surfaces and a shim is mounted in the two shim slots to extend across the opening to block debris from moving therethrough. Coil springs are provided to bias a pair of collet segments to engage an actuator member of a machine-tool chuck. Methods of making the collet are also disclosed.
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patent: 5613692 (1997-03-01), Lloyd
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