Collapsible containers

Details Collapsible containers Collapsible containers

1985-03-26

1986-03-25

Pollard, Steven M.

Receptacles

Freight containers

220 4F, 220334, B65D 726

Patent

active

045777721

ABSTRACT:
A container includes opposite sidewalls each comprising a medial hinge joining two panels to permit inward folding of the sidewalls with simultaneous collapsing of the top and bottom sections which are pivotally attached to respective edges of the sidewalls this pivotal attachment is provided by hinge assemblies including cooperating U-shaped plates shiftable to allow both maintenance of a rigid expanded container and also permit the collapse thereof. End door members include pivotal attachment devices which may include roller elements to allow displacement of the end door members from an end closing position to a position disposed parallel with and underlying the top section.

REFERENCES:
patent: 3570698 (1971-03-01), Dougherty
patent: 3612330 (1971-10-01), Baer
patent: 3796342 (1974-03-01), Sanders, et al.
patent: 4214669 (1980-07-01), McQuiston

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