| 摘要 |
A vehicular external mirror assembly includes a casing having a mirror unit and a tubular member. A first tube has a twisted oblique elongated slot extending longitudinally between a first open top and a first open bottom end of the first tube. The tubular member is slidably sleeved onto the first tube. A threaded rotatable shaft is mounted in the first tube. An elevating unit includes an annular member threadably engaging the rotatable shaft. The annular member has a radial stud projecting through said elongated slot slidably to engage the same and being connected to the tabular member of the casing. An electrical driving unit connected to a lower end of the rotatable shaft includes a motor and a gear assembly interconnecting the lower end of the rotatable shaft and the motor.
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