Stanley D Zygiel

US Patent:

49226622, May 8, 1990

Filed:

Jul 30, 1987

Appl. No.:

7/079449

Inventors:

Stanley D. Zygiel - Glenview IL

International Classification:

B24B 900

US Classification:

51 34C

Abstract:

A jig adapter for a grinding mill having an exposed grinding wheel or burr operated by a suitable pneumatic motor, with the motor and wheel mounted on a reciprocating plate suspended from a fixed adapter plate removably attached to the quill of the grinding mill. The reciprocal movement being developed by an eccentric pulley wheel rotatable by an electric motor. The adapter plate supports a series of leader pins which are in turn slidably mounted in adjustable split bushings mounted in the reciprocating plate, with all of the movable parts being incapsulated in an expandable accordion-like bellows.