Patent ID: 6112640
Filing Date: 2000-09-05
Classification: F15B,F16F

Abstract:
A cylinder comprising:a cylindrical casing having a casing wall extending along a longitudinal axis and defining an interior, an open end and a closed end, one of said closed end and said casing wall having a first port for delivering fluid into said interior of said casing wall;a cap mounted to said open end, said cap including a second port for delivering fluid into said interior of said casing wall;a mounting member mounted to said closed end of said casing, said mounting member including a mounting extension and a mounting attachment, said mounting extension protruding from said closed end along said longitudinal axis of said cylindrical casing, said mounting attachment engaging said mounting extension and being rotatably secured thereto; anda piston rod assembly positioned in said interior of said casing wall, said piston rod including a rod end and a piston, said piston including at least one seal sealing against an inner surface of said casing wall, said piston dividing said interior into first and second fluid reservoirs, said first port being in fluid communication with said first reservoir, said second port being in fluid communication with said second reservoir, and said rod end extending through said cap moving between extended and retracted portions as a function of fluid pressures in said first and second fluid reservoirs.