| 摘要 |
An automatic mirror rotation assembly for a vehicle including a tractor and semi-detached trailer is provided. A control wheel (58) is mounted in a structure connecting to a chassis of the tractor, and is raised into engagement with a lower surface of the trailer. As the vehicle turns, the rotation of the trailer with respect to the tractor is measured by counting rotations or partial rotations of the wheel (58) against the underside surface of the trailer. A corresponding degree of passenger-side rear view mirror is calculated, and a motor automatically rotates the mirror.
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