FIELD: transport engineering; freight bicycle drives. SUBSTANCE: proposed freight bicycle has three wheels, frame, freight body and drive with levers 1 and chain train. Rear ends of levers 1 are connected with sliders, middle parts of levers 1 are connected with cranks of driving sprocket, front parts of levers are provided with rollers 9 for engagement with pressure member 10 aimed at overcoming dead center, and with fork-like swivels 14. Swivels 14 connect front parts of levers 1 with sliders 15 of link 13 secured in gimbal suspension 17. Both ends of link 17 are furnished with pedals 16. EFFECT: increased load capacity. 16 dwg
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|---|---|---|---|
| VEHICLE ACTUATED BY MUSCLE FORCE OF MAN | 0 |
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| BICYCLE TRANSMISSION | 2000 |
|
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RU2664852C1 |
| VELOROLLER | 1992 |
|
RU2037448C1 |
