04003297 is referenced by 13 patents and cites 6 patents.

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.

Title
Hydraulic cylinder
Application Number
5/563125
Publication Number
4003297
Application Date
March 28, 1975
Publication Date
January 18, 1977
Inventor
Richard H Mott
Sioux Falls
SD, US
Agent
Hill Gross Simpson Van Santen Steadman Chiara & Simpson
Assignee
DU AL Manufacturing Company
SD, US
IPC
F16J 9/00
F16J 15/18
F15B 21/04
View Original Source