| 摘要 |
A wiping mirror assembly for trucks and other motor vehicles employs a wiper carrier coupled to an off-the-shelf multiple start, high lead screw that is driven by a reversing motor via a belt. A magnetic switch positioned adjacent each end of the screw senses the approaching wiper carrier and reverses its direction of travel by reversing the motor. The assembly includes nozzles in a mirror housing for wetting the mirror.
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