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US 4,056,857 AGranted
Convertible backpack and cot construction
OwnerReginald L. Quantzinventor
Life of this patent
Estimating the term…
Abstract
A backpack including a tubular frame whose ends are extensible to elongate the frame to form a cot. A canvas cover on the backpack frame is also extended to serve as a support for the body of the user on the frame and is attached to the extended frame portion.
Claims6
A convertible backpack and cot construction comprising:
- a first horizontal substantially U-shaped tubular frame having an extensible bight portion and a first pair of telescoping leg assemblies connected to said bight portion said leg assemblies including relatively movable inner and outer legs, said inner legs being movable relative to said outer legs and connected to said bight portion permitting the extension of said bight portion relative to said outer legs;
- a second horizontal substantially U-shaped tubular frame having an extensible bight portion and a second pair of telescoping leg assemblies connected to said bight portion said leg assemblies including relatively movable inner and outer legs, said inner legs being movable relative to said outer legs and connected to said bight portion permitting the extension of said bight portion relative to said outer legs;
- the outer legs of said first and second telescoping leg assemblies of said first and second tubular frames being in abutment;
- means for retaining the outer legs of said first and second leg assemblies in abutment;
- a first and second vertical substantially U-shaped frame having their legs depending from opposite ends of the second pair of telescoping leg assemblies of said second horizontal U-shaped tubular frame with the bight portions of each vertical frame being adapted to support said horizontal frames on a surface;
- and
- cover means for said horizontal and vertical frames.
4 more elements
Dependencies are inferred from the claim text.