| 摘要 |
A transmission assembly has a front transmission device, a rear transmission device, and a soft shaft connected to the front and rear transmission devices. Each transmission device has a fixed disk, a driving disk, a transmission gear, a casing, a connector, a bearing, a cushion, and a retarder. The driving disk is positioned on the fixed disk by a plurality of rivets. A large number of square holes are formed on the driving disk. The square hole receives a gear tooth of the transmission gear. The transmission gear and the retarder are connected pivotally. The retarder and a connector are connected pivotally also. The retarder comprises at least two intermeshed retarding gears. The connector is connected to the soft shaft. The transmission device is enclosed by a casing.
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