| 摘要 |
A first support for attachment to a vehicle, a second support carrying the vehicle seat, and a third support which is adjustable and which interconnects the first and second supports. Vertical and horizontal adjustment bolts are rotatably affixed between the first and second supports. A cranking assembly affixed to the second support engages and rotates either the vertical bolt or the horizontal bolt thereby altering the vertical and horizontal disposition of the second support with respect to the first support.
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