초록

A backpack frame utilizes frame members formed of a plurality of relatively movable blocks. The blocks are held in a column by a cord stressed in tension running through the blocks. The relative movement among the plurality of blocks provides flexibility to the frame.

대표청구항 ▼

A backpack frame to flex in use and comprising: harness members suitable for positioning generally at the shoulders and hips of the user; and at least one frame member extending between said harness members and having its ends affixed thereto, said frame member including a plurality of block-like se

A backpack frame to flex in use and comprising: harness members suitable for positioning generally at the shoulders and hips of the user; and at least one frame member extending between said harness members and having its ends affixed thereto, said frame member including a plurality of block-like segments stacked one on top of the other to form an elongated member, said segments being so formed as to permit movement of said segments with respect to each other for allowing said frame member to flex, said frame member having means for retaining said segments contiguous so as to form said frame member into an integral structure.