| 摘要 |
A pack frame assembly for carrying a load on a person's back; the assembly comprising a pack frame; an upper suspension comprising a pair of shoulder straps attached to the frame; and a lower suspension on a hip-belt, said lower suspension comprising a pair of down-hanging rigid links, each with upper pivot attachment to said belt, and lower pivot attachment at the lower end of said frame, permitting restricted movement of the frame with each stride of the carrying person.
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