| 摘要 |
There is disclosed a reduction gear apparatus including a first member, a second member connected to the output shaft, a press member that rotates together with the input shaft to press part of the second member so as to bring the part into contact with the first member, and a control member for controlling rotation of the first member about the output shaft. A high speed reducing ratio can be obtained with respect to rotation of a motor, and a clutch function for connecting/disconnecting power transmission to/from the output shaft by controlling rotation of the first member and other functions can be imparted to the gear reduction apparatus.
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