| 摘要 |
PROBLEM TO BE SOLVED: To provide an underwater motor scooter reducing a burden to an operator, more particularly, a burden at the time of turning, and obtaining high turning performance. SOLUTION: This underwater motor scooter 10 is provided with a main frame 12 in which first air tank 22 and second air tank 24 to be riding parts of the operator (OP) are arranged, an engine stored in a watertight container 14 arranged in front of the main frame 12, a propeller 16 arranged on a rear side of the main frame 12, a drive shaft rotated by an output of the engine, and a universal joint 20 to transmit rotation of the drive shaft to a propeller shaft connected to the propeller 16. By operating a propeller oscillating mechanism 130, the propeller shaft and the propeller 16 connected to the propeller shaft are oscillated around a vertical shaft by making the universal joint 20 as a fulcrum, to turn the scooter 10. COPYRIGHT: (C)2006,JPO&NCIPI
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