Gas spring arrangement for raising rotatable flap in motor vehicle, has locking device mechanically locking piston rod in extended position, where extension force acting on piston is equal or smaller than weight force acting against flap

摘要

The arrangement has cylinders (1, 2) filled with fluid mediums, where a cylinder (2) is axially connected with another cylinder (1). A piston (8) is aligned to an internal space that is divided into two working chambers (4, 5), in an axially adjustable manner. The piston has a piston rod (11) connected with a fixed component or a rotatable flap (33), where an extension force acting on the piston via the fluid mediums is equal or smaller than weight force acting against the rotatable flap. A manually operating locking device (43) mechanically locks the piston rod in its extended position.