Frame structure

Receptacles – Sectional – Folding

Patent

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Details

217 43A, 220 15, B65D 1910

Patent

active

048342548

ABSTRACT:
A collapsible frame structure 1 for a rectangular retaining wall on a pallet 6 has an open top and an open bottom formed by side walls 3 and end walls 2. The end walls 2 are hinged at 4 to the side walls 3 and each end wall comprises two wall parts 2a, 2b which are pivotally connected by hinge members 12. The end wall parts 2a, 2b are displaceable inwardly between the side walls 3 so that the side walls and end wall parts are located in parallel planes to form a flat pack. The hinge members 12 are rigid and each has two pivotal connections, one on each wall part 2a, 2b so that when the structure is collapsed the hinge members accommodate for the thickness of the wall parts. When the structure is erect, flanges on the wall parts 2a, 2b abut the respective hinge members at positions thereof between the pivotal connections to restrain the wall parts from displacement outwardly from the rectangular configuration.
Offset upwardly and downwardly extending flanges 8, 16, 17 serve to restrain the structure from horizontal displacement over a base 6 on which it is mounted and can retain two similar structures from horizontal displacement relative to each other when stacked as a column one on top of the other.
The walls and hinge members are preferably moulded in plastics.

REFERENCES:
patent: 2525838 (1950-10-01), Smith et al.
patent: 3865269 (1975-02-01), Coleman
patent: 4081099 (1978-03-01), Shead
patent: 4120417 (1978-10-01), Aquino
patent: 4347941 (1982-09-01), Johansson et al.
patent: 4491231 (1985-01-01), Heggeland et al.

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