Larry W Forbus

US Patent:

54819458, Jan 9, 1996

Filed:

Nov 15, 1993

Appl. No.:

8/152186

Inventors:

Richard L. Whipple - Keene NH
Larry W. Forbus - Keene NH

Assignee:

Kingsbury Corporation - Keene NH

International Classification:

B23Q 1602

US Classification:

74820

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.