| 摘要 |
PURPOSE: A self-driving type skate board is provided to generate self-driving force based on a seesaw based riving mode when a user is loaded on the skate board and to improve the speed sense and the mobility of the skate board. CONSTITUTION: A driving shaft(130) connects rear wheels(120) and includes a driving sprocket. A power generating shaft(160) passes through a main body frame(100). One or more one-way sprockets(150) are fixed to the power generating shaft. A driving chain connects the one-way sprockets and the driving sprocket. A operating rod(200) capable of being moved in a seesaw mode and is arranged in the main body frame and integrated with the power generating shaft. Semi-circular shaped fixing guides are fixed to both end parts of the operating rod and include a guide ribs. Moving guides with guiding slots are correspondingly assembled with the fixing guides. An escape preventive member prevents the escape of the moving guides. A foot-hold(300) is fixed to the upper side of the moving guides.
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