Piston, especially for a pneumatic cylinder

Details Piston, especially for a pneumatic cylinder Piston, especially for a pneumatic cylinder

1977-07-11

1979-10-23

Maslousky, Paul E.

Expansible chamber devices

With lubricating means

Piston has lubricant retaining or conducting means

92160, 92250, 92257, 91395, F01B 3110, F16J 900, F16J 108

Patent

active

041716655

ABSTRACT:
A piston, especially for a pneumatic cylinder, includes a disc-shaped piston head and a sealing element on the head, such element has at least one annular sealing lip extending outwardly of the peripheral sliding surface of the head, the sealing lip being of elastic and resilient material and being of conical form relative to a central axis of the piston head, an outer free edge of the lip thereby being capable of sealingly engaging the wall of the cylinder.

REFERENCES:
patent: 316492 (1885-04-01), Simpson et al.
patent: 2079977 (1937-05-01), Wenzel
patent: 2201571 (1940-05-01), Aikman
patent: 2911952 (1959-11-01), Peras

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