Piston ring grinder

Details Piston ring grinder Piston ring grinder

1988-06-21

1990-10-23

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51216R, 51290, 269 57, 269303, B24B 4106

Patent

active

049642405

ABSTRACT:
A piston ring grinding apparatus providing piston rings of consistent gap is disclosed. The piston ring grinding apparatus has a base member with a piston ring grinding means mounted thereon. The piston ring holder is rotatably mounted on the base member for movement of a piston ring mounted thereon into and out of contact with the grinding means. A gauge means are in operative association with the piston ring holder and are mounted on the base member in a position to gauge rotational movement of the piston ring holder.

REFERENCES:
patent: 1459117 (1923-06-01), Seifert
patent: 1513073 (1924-10-01), Thurston
patent: 1522123 (1925-01-01), Higgins
patent: 1540765 (1925-06-01), Daniels
patent: 1543611 (1925-06-01), Olson
patent: 1750195 (1930-03-01), Sanders
patent: 1916783 (1933-07-01), Daniels
patent: 1946881 (1934-02-01), Porter
patent: 2013262 (1935-09-01), Wilsey
patent: 2487670 (1949-11-01), Pezous

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