Lockable lifting device for variation without esca- Lones height chair seats, boards me-sas or similar furniture parts

摘要

Device lockable elevator variation stepless height seats of chairs, table tops or parts similar furniture with a tube guide attachable to a chassis base and a telescopic spring to blockable gas, longitudinally adjustable, whose rod is connected to a base plate of the guide tube axially rigid but detachable, the housing can be joined by a conical, upper fastening, with a conical hub to the chair seat or the board axially table rigidly, but basically also removably, the housing of which is guided in laterally immobilized and axially displaceable guide tube, and which housing emerges upwardly a tappet drive for longitudinal adjustment of the telescopic gas spring which penetrates in the fixing area, characterized in that the housing (9) of the telescopic gas spring (8) is arranged radially immobilized on a tube (20) addi end, in which it is formed the attachment area (21), supporting one end of the housing (9) axially against a stop in the space of the fastening zone (21) and supporting the other end against a fastener (24) connected detachably with the tube (21) which is connected axially fixed and anti-rotation with telescopic gas spring (8) and penetrates resilient projections (40) at least one channel (47) with slope growing on the inner wall of the tube (20).