| 摘要 |
This mirror system is designed for tractor-trailer vehicles, for enabling the operator to clearly see the rear of the trailer, particularly, when backing or docking. Primarily, it consists of frame mounted mirrors, which are three in number. The first mirror is mounted forwardly of the cab door and is adjustable to and away from the cab, and is also pivotal vertically and adjacent of a third mirror similarly mounted and powered. A second mirror is provided and is also pivotally vertical, and is mounted rearwardly of the cab door of the vehicle, and the combination of the three provides a wide degree of angle for safety.
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