| 摘要 |
PROBLEM TO BE SOLVED: To provide a motive power device applying the principle of leverage. SOLUTION: In the motive power device, a gear having a large diameter meshes with a working gear, other teeth is provided near the teeth of the gear for making a point of force of the working gear longer, and another gear to be input at a right angle or an inclination angle meshes with the tooth portion to be input from the gear to amplify the output of the working gear. COPYRIGHT: (C)2008,JPO&INPIT
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