| 摘要 |
A device for moving a platform on a motor vehicle comprising, at least one hydraulic system, at least one container coupled to the motor vehicle, and at least one platform coupled to the container. There can be at least one hinge rotatably coupling the platform to the container. There can also be a hydraulic piston in communication with the hydraulic system, wherein the hydraulic piston is for selectively moving the platform from a first position to at least one additional position. To hold the platform in place there is a safety arm, which can include a locking means for locking the safety arm in place. The locking means can include at least one locking pin that fits into a groove to lock any movement of a rotating arm to prohibit the arm from rotating back once the hydraulic piston has moved the platform into position.
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