Horizontally supported planar surfaces – Industrial platform – With load-confining means
Patent
1989-01-31
1990-10-23
Chen, Jose V.
Horizontally supported planar surfaces
Industrial platform
With load-confining means
108 511, B65D 1944
Patent
active
049643495
ABSTRACT:
There is disclosed a cargo holder having a planar bottom of a rectangularly shaped configuration. The bottom has two depending girders along its longest dimension. They are each spaced from a center imaginary line. The shortest ends of the bottom has a depending wall with an opening between the said girders. The bottom corners of the depending wall has a corner fact. The same shortest ends of the bottom also has foldable upstanding end walls which terminate at each of the corners at the top with corner fitments. The end walls are designed to fold inwardly downwardly in confrontation with the bottom of the cargo holder so that the cargo holder, when empty and the end walls folded, may be easily stacked to thereby conserve space. The end walls are horizontally hinged at proximate the bottom. The hinge however is essentially by-passed for any weight distribution that may be imposed on the top of the end wall when any loaded cargo holders are stacked thereon top as the end walls rest directly on an unique surface provided along the side ends of the upwardly facing portion of the depending wall. The end walls are also provided with a biasing structure to bias the end wall upwardly while at the same time to supply no bias when the end walls are folded downwardly.
REFERENCES:
patent: 1728920 (1929-09-01), Bentley
patent: 3802357 (1974-04-01), Shahani
patent: 3880286 (1975-04-01), Wegener
patent: 4240359 (1980-12-01), Howe
patent: 4314686 (1982-02-01), Marz
patent: 4319732 (1982-03-01), Godfrey
patent: 4355732 (1982-10-01), Nessfield
American Coastal Industries
Chen José V.
Schellin Eric P.
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