Patent ID: 6536330
Filing Date: 2003-03-25
Classification: F16F

Abstract:
An arrangement for a piston-and-cylinder unit, comprising:a cylinder member, a piston member moveable therein, and a piston rod connected to said piston member, said cylinder member comprising a barrel pipe and closure portions at each end of the cylinder member, the closure portion at one end exhibiting a bush, provided with a through bore for the piston rod and enclosed by an end portion of the barrel pipe, said end portion being bent radially inwards towards the piston rod and over a first circumferential surface of the bush to form a cavity defined by said end portion and said first circumferential surface, said bush comprising a collar portion exhibiting an external second circumferential surface of the bush, said collar portion enclosing the circumference of the piston rod and extending axially beyond the inwardly bent portion, wherein the inwardly bent portion of the barrel pipe terminates in a circumferential edge located adjacent to an inner corner of the bush formed between the first circumferential surface and the second circumferential surface.