Tool chuck

Details Tool chuck Tool chuck

1992-11-04

1994-06-21

Bishop, Steven C.

Chucks or sockets

Socket type

Obliquely guided reciprocating jaws

279902, B23B 3112

Patent

active

053223039

ABSTRACT:
In construction of a tool chuck in which manual rotation of an outer operation sleeve causes concurrent rotation of an inner screw ring to move clamping jaws in a chuck body following the principle of screw feeding, a solid lubrication coating layer is interposed between the screw ring and the chuck body so as to minimize friction between the two elements during their relative rotation for clamping a tool via the jaws, thereby effectively utilizing input torque from the operation sleeve for clamping operation. The solid lubrication coating layer may be applied either to a washer or directly to the screw ring.

REFERENCES:
patent: 5172923 (1992-12-01), Nakamura

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