FIELD: road vehicles. SUBSTANCE: novelty in design of bicycle cart-trailer 1 is cart body which is made in from of tetrahedral inclined prism with parallelogram-shaped side walls with angle of inclination of 70-75 degrees. Body has shock-absorbing suspension directly coupled with hitch member of bicycle frame. Hitch gear of bicycle provides stabilized position of cart body during hauling owing to use of hinge joints and original radius through slot. Introduced additionally into cart design are some simplest units and mechanisms, for instance, supporting post with locking mechanisms. Some members are multi-purpose, for instance supporting-and-coupling rod in trailer serves as cart handle. EFFECT: simple design, reliability and convenience of operation, ease of conversion of trailer into cart and vice versa. 4 cl, 8 dwg
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