Lock plate adjustment for geneva drive mechanism

Details Lock plate adjustment for geneva drive mechanism Lock plate adjustment for geneva drive mechanism

1993-11-15

1996-01-09

Marmor, Charles A.

Machine element or mechanism

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

Preselected indexed position

409221, 409198, 33569, 33DIG8, 74436, B23Q 1602

Patent

active

054819458

ABSTRACT:
A machine tool has a rotatable table with a plurality of lock plates located on the underside thereof at circumferentially spaced locations, and a geneva drive mechanism arranged to coact with the lock plates in rotatably indexing the table. The lock plates are shiftable with respect to the table by means of cooperating pairs of rotatably adjustable eccentric pins. Machine screws releasably fix the lock plates at selected positions of adjustment. The lock plates are shifted and releasably fixed from above the table.

REFERENCES:
patent: 4918826 (1990-04-01), Moore et al.

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