| 摘要 |
PURPOSE: A double parking device is provided to have a fail-safety function when a pallet loaded with a motor vehicle descends suddenly. CONSTITUTION: The double parking device comprises the steps of: installing a pallet(20) loaded with a motor vehicle in a different direction of a base(10); installing a roller(21) for extracting power, settled with the driving wheel(55) of the motor vehicle to drive on the pallet; combining a hinge(13) by links(11,12) in a X shape with the base and the pallet; installing an oil pressure cylinder(14) by the hinge to possibly move together with a fixing piece hinge-combined between the middle of the right side of the links.
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