Patent ID: 6109166
Filing Date: 2000-08-29
Classification: F15B

Abstract:
Pressure fluid cylinder of the kind including a slot type cylinder tube which is shielded and sealed by an outer (11) and an inner (10) sealing band, a piston (2,5) which is arranged moveable inside the tube and a transfer means (3) for transferring the movement of the piston through the slot to the outside of the cylinder tube, whereby the piston on each piston end comprises on the one hand a seat (7) for a piston sealing member (6) and on the other hand upper (14) and lower (13,15) guide means for co-operation with said outer and inner sealing bands, characterized in that the piston comprises a central body (2) and two piston end units (5) which surround the respective end thereof and support directly against the body, said units comprising guide elements (17) for the piston inside the cylinder, and that each piston end unit (5) comprises an integral piston sealing member seat (7).