SHOCK ABSORBER Russian patent published in 2002 - IPC

FIELD: mechanical engineering; protection of machines and other objects by means of shock absorbers for obtaining limited level of mechanical loads. SUBSTANCE: shock absorber has body, rod with stop and additional holes, valve for shutting-off additional holes in piston at back stroke of rod, sealing stack and circular sealing projection engageable with this stack. EFFECT: improved operating conditions; increased power intensity of shock absorber; avoidance of bypass of working fluid through technological clearances; possibility of dampening working fluid at forward stroke of rod; reduced overloads on object protected; enhanced reliability. 5 cl, 3 dwg