FIELD: transportation.
SUBSTANCE: invention relates to road vehicles and can be used in designs of car-and-tractor trailers. Trailer consists of body, frame and dolly with front and rear wheels towbar. In each of dolly frame side members in their middle part gear wheels interconnected by flexible rod are arranged. Each of wheels is in contact with racks, rigidly fixed on trailer hitch so that one of them is installed above one of gear wheels, and the other is under it. In flexible rod middle part guide bushing rigidly connected to dolly frame is located.
EFFECT: reduced dynamic loads acting on trailer bearing structures as a result of its jerking during tractor train in motion.
1 cl, 3 dwg
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Authors
Dates
2017-01-10—Published
2015-07-31—Filed