| 摘要 |
The device has an input shaft intended to be connected to motor members and rotating at an input speed and an output shaft intended to be connected to the winch and rotating at an output speed, the ratio between the output speed and the input speed being equal to a transmission ratio. The device provides a first operation mode, in which: when the input shaft rotates in its first direction of rotation, the output shaft rotates in its first direction of rotation, with a first transmission ratio; and when the input shaft rotates in its second direction of rotation which is opposite to that of the first, the output shaft rotates in its second direction of rotation which is opposite to the first, with a second transmission ratio.
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