Patent ID: 6220029
Filing Date: 2001-04-24
Classification: E05F,E05Y

Abstract:
An operating arrangement for a movable part of a motor vehicle which comprises:a hydraulic cylinder assembly which includes (1) a hydraulic cylinder defining first and second ends, said second end being open, (2) a seal means said second end of said hydraulic cylinder, and (3) a piston which includes a head that is movable in said hydraulic cylinder between said first and second ends and a rod which extends from said head through said seal to a free end beyond said hydraulic cylinder, said first end of said hydraulic cylinder defining a first passageway that extends from a chamber formed between said piston head and said first end of said hydraulic cylinder to an exterior surface of said hydraulic cylinder,a pump arrangement which includes a pump, and motor for driving the pump, and a tank for hydraulic fluid, said pump including a second fluid passageway that extends to an exterior surface thereof, anddetachable connection elements for attaching said pump arrangement to said hydraulic cylinder such that said first and second fluid passageways sealingly communicate with each other.