FIELD: transport.
SUBSTANCE: invention relates to automotive industry. Dumper trailer consists of self-dumping platform 1 arranged on frame side members 3 and telescopic hydraulic jack 5 articulated therewith. Inner tube of hydraulic jack 5 is provided with inclined blades 20 and gear wheel 10 engaged with mating gear wheel 11 that drives rod 12 with self-braking thread 13 locked by nut 16.
EFFECT: higher reliability and safety.
1 dwg
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Authors
Dates
2011-07-20—Published
2010-04-30—Filed