| 摘要 |
The present invention relates to a unicycle power transmission device in which a pedal is reversely rotated so that the center of gravity of a user is positioned at the rear side of a wheel so as to transmit power to the wheel. The unicycle power transmission device is characterized by: a hub in which a ratchet sprocket is installed; a crankshaft installed inside the hub; a coupling sprocket in which a conversion sprocket, for converting the direction of rotation through an engagement chain connected to a chain ring, is coupled to a transmission sprocket for transmitting power to the hub; and an auxiliary sprocket for assisting the engagement chain connection, wherein the auxiliary sprocket is installed on the unicycle body so as to connect the chain ring to the conversion sprocket and to connect the ratchet sprocket to the transmission sprocket using a connection chain. Thus, the center of gravity may be easily balanced, and the auxiliary wheel may be miniaturized. Therefore, the unicycle power transmission device may be easily carried and stored. |
