| 摘要 |
Disclosed is a lightweight backpack and its frame. The design of the frame accommodates use as a structure for shaping and supporting a recreational hiking or military infantry backpack while in a folded and compact arrangement, and additionally, accommodates use for shaping and supporting material for use as a sleeping cot able to support the body weight of a human while in and unfolded elongated arrangement. In either the folded or unfolded arrangement, the backpack may be easily removed or reattached to the frame. The cot material is also easily detachable for purposes of replacement of worn material and its arrangement in conjunction with the frame is also intended to serve in part as padding and back support for the wearer. The hinge and lock at the frame's hinge joints aids the user in fold out and break down of the frame and also adds strength to the frame while in both the folded and unfolded position. The frame includes first, second, and third rigid support structural members pivotally connected end to end with one another. Each structural support member has first and second spaced side supports. The side supports provide for attachment of a sleeping platform material and hinge assemblies for interconnection of the structural support members. The first and third structural members also have vertical sleeping platform supports and interconnecting cross support members depending from either the vertical sleeping platform supports or the side supports.
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