Horizontally supported planar surfaces – Industrial platform – Stacking
Patent
1978-05-19
1980-12-23
Lyddane, William E.
Horizontally supported planar surfaces
Industrial platform
Stacking
105381, 108 551, 108 561, 220 7, B61D 1706, B65D 1900
Patent
active
042403596
ABSTRACT:
A freight carrier having a base structure forming a freight carrying platform which is provided at each corner with a corner post pivotally mounted for movement between an upright erect position and a folded position in which the post lies parallel to the platform. An interlocking mechanism is provided at each corner of the carrier to enable the carrier with the corner posts in their folded position, to be interlocked with a similar carrier which is stacked thereon and the interlocking mechanism includes a clamping arrangement to enable the stacked interlocked carriers to be clamped together. The interlocking mechanism is also arranged to lock an associated corner post in the erect position and clamps the corner post to the base structure in this erect position.
REFERENCES:
patent: 377648 (1888-02-01), Sinning
patent: 1229851 (1917-06-01), Abercrombie
patent: 3529741 (1970-09-01), Walker et al.
patent: 3664273 (1972-05-01), Howe
patent: 3872555 (1975-03-01), Link et al.
patent: 3924544 (1975-12-01), Grau et al.
Howe Dorothy Elizabeth
Lyddane William E.
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