Receptacles – Sectional – Folding
Patent
1978-01-30
1979-06-19
Lowrance, George E.
Receptacles
Sectional
Folding
217 14, 217 16, 217 48, 217 59, 217 65, 220 7, 220331, B65D 726, B65D 914
Patent
active
041584210
ABSTRACT:
A packing case molded from plastic materials comprises two side walls including two half-walls rotatably connected to each other by tenon/mortise joint and hinge elements, two end walls rotatably connected to the adjacent side walls by tenon/mortise joint and hinge elements, and two cover plates removeably intersecting with said connected walls, thereby to form a foldable container which can easily pack or unpack without need of any external means, and can be folded into a collapsed form that is easily recovered for further use.
REFERENCES:
patent: 277061 (1883-05-01), Rohe
patent: 916848 (1909-03-01), Cox
patent: 1147613 (1915-07-01), Day
patent: 1222832 (1917-04-01), Wilhelim
patent: 1286572 (1918-12-01), Fisher
patent: 3752349 (1973-08-01), Rana
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