FIELD: transport engineering; bicycles with crank-and-connecting rod transmission.
SUBSTANCE: proposed bicycle contains frame 1, driven sprocket 5, driven sprocket 2, chain, steering column 6 with handlebar. Reciprocating pedals are secured to levers to of driven sprocket 2 through rigid tie-rods 3. Devices to bring levers of driving sprocket 2 out of extreme point is hinge-secured on frame 1 and on rigid tie-rods 3. Frame 1 of bicycle provides distance of 10 cm between front and rear wheels in operating position of bicycle. Compactness of bicycle at shipment is provided by pressing of pedals to tie-rod 3.
EFFECT: use of rider weight as main moving force.
2 cl, 2 dwg
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Authors
Dates
2006-12-10—Published
2004-02-05—Filed