Hydraulic cylinder

Details Hydraulic cylinder Hydraulic cylinder

1975-03-28

1977-01-18

Maslousky, Paul E.

Expansible chamber devices

With fluid purifying means

92109, 92163, 92168, 92253, F15B 2104, F16J 1518, F16J 900

Patent

active

040032973

ABSTRACT:
A hydraulic cylinder assembly for farm machinery or the like including a tubular elongate cylinder with a smooth inner cylindrical wall and a fluid inlet at a first end with a hollow piston rod slidable therein having an annular piston secured at a first end and slidable within the cylinder wall with the piston carrying axially spaced wear rings and plastic annular sealing rings therebetween and a T-shaped backup ring therebetween, a guide and seal retainer within the cylinder at the second end thereof for the second end of the piston rod held in place by a retainer nut threaded onto the cylinder and carrying a wiper ring in a groove and holding a seal between the guide ring and retainer nut.

REFERENCES:
patent: 1128089 (1915-02-01), Astrom
patent: 3011845 (1961-12-01), Watt et al.
patent: 3147671 (1964-09-01), Geyer
patent: 3443486 (1969-05-01), Lanman
patent: 3665816 (1972-05-01), Caudle
patent: 3685398 (1972-08-01), Little

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