Patent ID: 6164659
Filing Date: 2000-12-26
Classification: F16F,F16J,Y10S

Abstract:
A piston arrangement comprising:a housing having an inner surface;a piston rod positioned within the housing for axially moving within the housing, the piston rod having an axis and an outer surface; anda piston rod seal mounted in surrounding relation on the piston rod and located within the housing for providing a seal between the outer surface of the piston rod and the inner surface of the housing, the piston rod seal including a sealing disk to which is connected a reinforcement element, said reinforcement element functioning as a guide element that guides the piston rod during axial movement of the piston rod, the reinforcement element being a substantially U-shaped ring element possessing two axially extending legs that extend in the same direction, said two legs being spaced apart to define an interior of the reinforcement element located between the two legs, the sealing disk being located substantially entirely exteriorly of said interior of the reinforcement element.