Patent ID: 6651547
Filing Date: 2003-11-25
Classification: F16F,F16J

Abstract:
A guide for the guide rod of a piston-cylinder assembly, said guide comprisinga guide body having a central bore for receiving a piston rod, an end surface which supports a working cylinder surrounding a working space and an outside tube surrounding a low pressure space, a pair of axially spaced seals received in said bore and resting against the piston rod to seal off the working space from the atmosphere, an intermediate space being formed between said guide body, said seals, and said piston rod, at least one flow connection extending from said intermediate space to at least one of said working space and said low pressure space, and a non-return valve in said at least one flow connection, said non-return valve permitting flow toward said at least one of said working space and said low pressure space, wherein said non-return valve is installed in said end surface.