| 摘要 |
A pushback storage system has a pair of step box rails providing upper and lower tracks for wheels of carts for accommodating pallets used to carry loads. The carts has side members secured to opposite side edges of a deck having panels that connect the area between the side members. Wheels mounted on opposite ends of the side members of two carts ride on the lower tracks. Brackets connect wheels to two additional carts which wheels ride on the upper tracks to allow the carts to be located in vertical stacked relationship.
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