Hydraulic actuator for a steering system of a motor vehicle

摘要

In a known steering column arrangement an actuating cylinder (8) is provided to move two telescopically mutually displaceable casing parts relative to one another.; a flexible sealing lip (19) According to the invention as a sealing agent at least provided, which releases the throughflow area (16) in their unloaded rest position, and the at least far region sealing at an abrupt relative movement of the height of an impact load in a the flow cross-section (16) closing position is deformable, wherein the deformation resistance of the at least one sealing lip (19) is chosen such that the sealing lip (19) remains at normal shift operations between the piston rod and the cylinder housing in its rest position.; Commitment to steering arrangements of passenger cars.