SHOCK ABSORBER Russian patent published in 2002 - IPC

FIELD: absorbing of vibration and shocks for protection of radioelectronic devices in transport vehicles. SUBSTANCE: shock absorber includes bearing assembly in the form of two pairs of cover strips having on surfaces turned one to another grooves symmetrical relative to strip axes and designed for arranging legs of elastic rings mutually turned around in horizontal plane; coil spring arranged between paired strips of bearing assembly. Shock absorber is provided with additional coil cone spring mounted on end portion of paired strips symmetrically relative to main coil spring and fastened by means of its large base in annular groove of upper pair of strips and guiding rod whose flange is arranged in dead opening of lower pair of strips. Guiding rod is mounted with possibility of free penetration inside additional coil spring. Elastic rings are arranged mutually in parallel by two similar groups between springs, ends of outer elastic rings abut to respective springs. Each elastic ring is in the form of several turns of small-ring forced one to another by means of brackets. EFFECT: stable characteristics, improved operational reliability of shock absorber. 4 cl, 5 dwg