| 摘要 |
<p>Disclosed is an improved manpower propulsion device of buoyancy for leisure. A helical gear (9), which is a manpower propulsion device, and a wire joint (10) are connected to a buoyancy (5) used as a boat or a ship. The helical gear (9) is interlocked with a pair of pedals (12), thereby rotating with the pedals when the pedals (12) are rotated. An end of the wire joint (10) connected with the helical gear (9) is mounted on a rotating section of a propeller (13). An auxiliary seat (16) is disposed in rear of a driver seat (15) and a space (17) is formed at a location where the auxiliary seat (16) is disposed. When the auxiliary seat (16) is lifted up, the space (17) is exposed, so that various tools and other articles may be kept in the space (17) is custody.</p> |
