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    • 3. 发明授权
    • Back pack with resilient bands for spacing the pack from the wearer
    • 背包,弹性带,用于将包装与佩戴者隔开
    • US3957184A
    • 1976-05-18
    • US498406
    • 1974-08-19
    • Daniel A. Shurman
    • Daniel A. Shurman
    • A45F3/04
    • A45F3/04A45F2003/125
    • A back pack including a bag provided with an internal frame comprising a pair of diagonally crossed blade-like bands secured to each other at a crossover zone, and secured to the bag by a pair of pockets at the upper extremities of the bands and by a pair of anchor pins at the lower extremities. The pack frame is given a slight arcuate curvature by tensioning strips impressing force between upper and lower extremities of the bands, and the tensioning strips are bridged by a mesh panel. Also included are a collapsible internal shelf and straps that can be used either as lashing straps for securing loads to the exterior of the pack or as load hauling straps for lifting and lowering the pack during climbing operations.
    • 一种背包,其包括设置有内部框架的袋,所述内部框架包括在交叉区域彼此固定的一对对角十字形的叶片状带,并且通过在所述带的上端的一对口袋固定到所述袋 一对锚钉在下肢。 通过在条带的上下肢之间张紧条带施加力而使包装框架具有轻微的弧形曲率,并且张紧条由网板桥接。 还包括一个可折叠的内部货架和捆绑带,可用作捆绑带,用于将负载固定到包装的外部,或作为装载牵引带,用于在攀爬操作期间提升和降低包装。