| 摘要 |
PCT No. PCT/IT95/00180 Sec. 371 Date Apr. 30, 1997 Sec. 102(e) Date Apr. 30, 1997 PCT Filed Nov. 7, 1995 PCT Pub. No. WO96/15026 PCT Pub. Date May 23, 1996A portable apparatus for using a bicycle not only on land but also as a type of watercraft has two oblong connected inflatable floats, a propulsion unit including a propeller and a clutch unit picking up a motion from a tire of a bicycle rearwheel, a rearjoint device for connection between rear parts of the floats and rear upper and lower forks of the bicycle, and a front joint device for connection a front of the floats with a lower bar of a bicycle frame, a quick-coupling clamp to which the clutch unit is fixed and which is securable to a bar of a saddle of the bicycle frame and connected to the propulsion unit by a flexible shaft so that by turning of pedals and therefore a rear wheel of the bicycle, movement is transferred through the flexible shaft to the propulsion unit, an element for connecting the two floats, a element for securing the bicycle, and the propulsion unit being formed so that the apparatus can be stowed inside shoulder packs and rucksacks for easy transport while riding the bicycle or carrying it by hand.
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