Indexing devices

Details Indexing devices Indexing devices

1978-03-20

1980-11-04

Little, Willis

Geometrical instruments

Area integrators

Electrical

33174TB, B25H 110

Patent

active

042311594

ABSTRACT:
An indexing head has a plurality of co-axial discs rotatable relative to each other. A first disc carries an indexing pin receivable in a series of equi-angularly spaced recesses of a second disc. A third disc is angularly settable relative to the second disc by means of gauge blocks, and is lockable after setting by locking means. A tool shank can be releasably held in an axial bore of the first disc. When used in an oil bath of an erosion machine, the head is fitted with a bellows skirt to prevent the oil reaching the discs.

REFERENCES:
patent: 2640400 (1953-06-01), Verderbier
patent: 3063155 (1962-11-01), Prefontaine

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