| 摘要 |
The invention herein of a torsion shift structure for the means of transportation mainly comprises of a transmission gear axle mounted between the power gear axle and the selective speed gear axle of the transmission structure of the means of transportation; the transmission gear on the transmission gear meshes the selective speed gear axle; a high speed gear and a low speed gear are formed on the power gear axle; the first and the second shifting gears are housed on the transmission gear axle and mesh respectively the high and the low speed gears; furthermore, a shifting shaft rod is inserted through the transmission gear axle for respectively controlling the interlocking between the first and second shifting gears and the transmission gear axle to change the driving of the high and the low speed gears and the transmission gear axle and to further achieve the output of the torsion shifting.
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