Automatic indexing chuck for angular step-by-step movement of ja

Details Automatic indexing chuck for angular step-by-step movement of ja Automatic indexing chuck for angular step-by-step movement of ja

1987-06-29

1989-03-14

Weidenfeld, Gil

Chucks or sockets

Angularly adjustable or indexing

279 1C, 279 4, 91536, 92 75, B23B 3118

Patent

active

048119636

ABSTRACT:
An automatic indexing chuck comprises a dividing pivot separately and in succession, operated by a dividing shaft and a locking sleeve. The dividing shaft is slideably and sealingly accommodated in a cavity of the locking sleeve which has retention planes for the dividing pivot and is in turn sealingly accommodated in a mandrel body cavity defining two adjacent chambers; the dividing shaft and the locking sleeve defining independent pistons operated by a single hydraulic circuit with reversible inlet and outlet ports, the pistons moving in opposite directions to perform consecutively unlocking, rotation and locking of the dividing pivot.

REFERENCES:
patent: 3879045 (1975-04-01), Benjamin et al.
patent: 3880051 (1975-04-01), Eppler
patent: 4411440 (1983-10-01), Becker
patent: 4508357 (1985-04-01), Reich

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