ANTISLIP DEVICE FUR PNEUMATIC TYRES OF AUTOMOBILES Russian patent published in 1997 - IPC

FIELD: transport engineering; tyre antislip devices. SUBSTANCE: device has grouser 2 mounted on vehicle wheel by means of attachment unit 3. Configuration of grouser is congruent with outline of working surface of tyre in its cross section. Grouser is made in form of shoe with side limiter and two support parts 6 and 7. Part 6 is made in form of segment in development and is provided with cross protectors 8 over circumference of outer surface and with notches opposite to protectors over circumference of inner surface. Second side part 7 is made turnable in form of rigid sector plate with. attachment unit 3 in apex of plate. Limiter 5 is made integral with curved part 6. Limiter and sector part 7 are arranged symmetrically relative to part 6. Tie-up arrangement 16 consists of adjustable movable horizontal shaft and adjusting bolts 20 square to shaft. Bolts are arranged in projection 21 on base of support part 7. EFFECT: improved reliability, simplified demounting of antislip device. 3 cl, 6 dwg