| 摘要 |
<p>PURPOSE:To prevent a knapsack and school things from being worn and damaged and an adverse effect from being applied on the body of a school boy/girl carrying the knapsack on the back by relaxing shock due to the floating of the school things in a knapsack main body. CONSTITUTION:The knapsack main body 1 is formed by sewing the front side edges of right and left large collar parts 3, 4 unified continuing to the front side edge of a bottom plate 6 and the right and left sides of the bottom plate, and the bottom side edge and right and left side edges of a large partition 5, respectively, and also, sewing the rear side edges of the bottom plate 6 and the right and left large collar parts 3, 4 and the bottom side edge and right and left side edges of a back plate 2, respectively. A cushioning material 9 can be set freely loadably/unloadably to the knapsack main body 1 by loading on at least either of the inner planes of the back plate 2, the left large collar part 3, the right large collar part 4, the large partition 5 and the bottom plate 6.</p> |
