FIELD: transport.
SUBSTANCE: invention relates to automotive running gear. Proposed device comprises flange with central bore to be bolted to hub carrier and locked by nut thereon, with four lock bosses on flange inner side and spacer disc grip on cage, centering coupling bolt with T-guide, trapezoidal spacer disc with service slots, retainer washer, and control unit. Extra wheel is fitted on spacer disc, locked in service slots therein and retained in place by retainer washer with central bore for centering coupling bolt with T-guide. Said assembly is engaged via centering coupling bolt with T-guide fitted in flange central bore and locked therein by four lock bosses to enter control nut threaded hole.
EFFECT: increased contact surface of propulsors, decreased specific pressure on soil, better flotation and traction.
4 dwg
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