| 摘要 |
<p>PROBLEM TO BE SOLVED: To stack and house trucks or shelf plates so as not to be destroyed in transportation, and perform an efficient and safe transportation by providing a destroy preventing recessed part on a truck, and forming a recessed part with which a locking piece is engaged in stacking on a shelf plate. SOLUTION: In a stock cart, trucks 2 are stacked in transportation. Universal casters 7, 7, 7, 7 and fixed wheels 9, 9 of the upper truck 2 are fitted to the destroy preventing recessed parts 14, 14, 14, 14, 15, 15 of a base plate 13, respectively, to prevent the destroy. Shelf plates 4 are stacked on the truck 2 in transportation. The locking pieces 27, 27 of the bottom shelf plate 4 are engaged with the engaging recessed parts 18, 18 of the truck 2, and the locking pieces 27, 27 of the upper shelf plate 4 are engaged with the recessed parts of the lower shelf plate 4, whereby they are prevented from being destroyed. Thus, an efficient and safe transportation can be performed.</p> |
