| 摘要 |
a frame structure(1) where plural cars are parked; a plurality of transmission pallets(17) that are arranged in two lines vertically in the frame structure(1), to be capable of vertical and horizontal motion; a pallet lifting means for lifting the lowermost pallet; a lowermost horizontal transmission means(14) for horizontally moving the lowermost pallet to the lowermost position; a pallet dropping means for dropping lower pallets to the lowermost position; an uppermost horizontal transmission means(13) horizontally moving the uppermost pallet to the uppermost position; and a controller(23) for circulating multiple pallets.
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