FIELD: transport engineering; bicycles.
SUBSTANCE: invention relates to hand drive of bicycle combined with handlebar. Rocking handlebar 1 made in form of bell crank is coupled through connecting rod 3 with lever 5 provided with pulley or sprocket 6 over which flexible member 7 passes to drive front wheel sprockets 9. Connecting rod 3 can be moved along handlebar 1 and lever 5 to adjust arm and change length. Separate sprocket 13 is installed movably to adjust tension. Diagonal lock 15 holds handlebar 1 in neutral position.
EFFECT: provision of complete utilization of rider's weight for driving.
6 cl, 1 dwg
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