Index apparatus for NC machine tool

Details Index apparatus for NC machine tool Index apparatus for NC machine tool

2007-06-18

2011-10-18

Johnson, Vicky (Department: 3656)

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Locking means

Reexamination Certificate

active

08037785

ABSTRACT:
A push-bar indexing device that, when an index table is rotated by a specific angle, the table is accurately stopped to accurately index a workpiece. Each time a push bar is moved, a stopper is moved to a predetermined position by excessive relative movement between a spindle and a main table. An engagement member is operatively associated with the index table, which causes the engagement member to be rotated by a specific angle each time the index table is rotated. This allows the engagement member to be engaged with the stopper of a predetermined position, causing the index table to be stopped by the stopper.

REFERENCES:
patent: 2618982 (1952-11-01), Mead
patent: 3724291 (1973-04-01), Goebel
patent: 4884474 (1989-12-01), Kawata
patent: 4991463 (1991-02-01), Kawata
patent: 6455798 (2002-09-01), Kawata
patent: 0256628 (1988-02-01), None
patent: 1136175 (2001-09-01), None
patent: 53132876 (1978-11-01), None
patent: S56-24540 (1981-03-01), None
patent: 08-294846 (1996-11-01), None
patent: 2001-259969 (2001-09-01), None

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