| 摘要 |
Device relating to driving a pedal mechanism 6 using cranks 1 extended beyond the pedalling radius 7 and curved over at their ends 2 in order to constitute a supporting part 3, at their free ends, the spindle 4 of the pedals 5 thus developing a maximum lever arm whilst retaining a normal amplitude of rotation of the pedals. Application to devices driven by cranks, bicycles, pedalos. <IMAGE>
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