| 摘要 |
<p>The present invention provides a boat propelling mechanism of rowing mode. It is composed of parallel guiding rails 1 and a paddle-driving device 2. Said paddle-driving device is characterized that it has a square bottom frame 201, on the rear crossbeam of which is vertically provided with a rear door-shaped frame 202. A paddle lifting crank 203 is hinged on said door-shaped frame 202. A middle door-shaped frame 204 is set on the bottom frame connected with a rectangular frame 205. Said rectangular frame is equipped with vertical guideway grooves 206. The driven paddle and its guide wheels are mounted in the guideway grooves. A paddle-turning crank 218 is hinged on the middle door-shaped frame. On the fore of the boat is mounted a paddle-turning bar 219, and on the tail of the boat is equipped with a lifting bar 220 corresponding to the paddle lifting crank 203. This mechanism can attain the same paddle lifting height, angle and attitude so that it is safe and easy to operate and can reduce the labor amount.</p> |
