VEHICLE WHEEL TELESCOPIC SUSPENSION Russian patent published in 1997 - IPC

FIELD: transport engineering; bicycle front wheel suspension. SUBSTANCE: suspension has outer tube 1, inner tube 2 with piston 3 whose rod is made in form of tubular member 4 placed inside space of tube 2 and enclosed, over outer surface with elastic material case 5./ Ends of case are hermetically connected with member 4 whose space 6 places reservoirs of tube 1 and case 5 into communication through channel in wall of rod. Circular clearance 8 sealed by oil seal 9 and space of tube 2 sealed by oil seal 10 form hermetically sealed air chambers of suspension. Gauge pressure of 0.1-16 atm is built in chamber 11 prior to placing suspension into operation. Parameters of flow of working medium delivered into reservoir of case 5 can be changed by means of gate controlled by key 14 installed on end of turnable rod 12. EFFECT: enlarged operating capabilities. 2 cl, 2 dwg