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

#CMT# #/CMT# 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. #CMT#USE : #/CMT# Used in a motor vehicle for raising of a rotatable flap from a lowered closing position to a raised opening position. #CMT#ADVANTAGE : #/CMT# The gas spring arrangement is in a simple structure to open the flap upto the intermediate position or upto the opened position. The locking device is operated by the relative movement between the piston rod and the cylinders in a simple manner without using the particular manually operating unit. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a longitudinal section of a gas spring arrangement. 1, 2 : Cylinders 4, 5 : Working chambers 8 : Piston 11 : Piston rod 33 : Rotatable flap 43 : Locking device.