Piston cylinder assembly

Details Piston cylinder assembly Piston cylinder assembly

1975-09-11

1976-12-28

Cohen, Irwin C.

Expansible chamber devices

With lubricating means

Piston has lubricant retaining or conducting means

92182, 92249, 92257, 92258, 308 4R, F16J 102, F16J 108

Patent

active

039994678

ABSTRACT:
A piston-cylinder assembly having a circumferential groove around the piston near the end of the piston facing the cylinder chamber, a cuff around the piston at a location more remote from said chamber from the groove, a guide ring mounted in the groove for slideably abutting the cylinder wall, the guide ring having a convex inner configuration and a generally cylindrical outer configuration.

REFERENCES:
patent: 680465 (1901-08-01), Reynolds
patent: 2068859 (1937-01-01), Jones et al.
patent: 3046062 (1962-07-01), Wettstein
patent: 3333513 (1967-08-01), Wettstein
patent: 3361040 (1968-01-01), Chenault
patent: 3448665 (1969-06-01), Allinquant
patent: 3636816 (1972-01-01), Hale

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