Collapsible lattice

Details Collapsible lattice Collapsible lattice

1984-09-10

1986-04-08

Perham, Alfred C.

Static structures (e.g., buildings)

Lazy tong extension unit

52645, E04H 1218

Patent

active

045803765

ABSTRACT:
A collapsible-expandable lattice structure is described comprising a plurality of slats arranged in two panels. Each panel consists of first and second sets of parallel slats, the first set being arranged over and intersecting relative to the second set. Means is provided pivotally connecting slats of the first set to slats of the second set to form parallelogram linkages, the slats of one panel being located intermediate slats of the other panel, the first and second sets of one panel being parallel relative to the first and second sets of the other panel, respectively. Means is further provided for pivotally interconnecting slats of one panel to slats of the other to maintain a fixed pivotal relationship between slats of both panels.

REFERENCES:
patent: 250205 (1881-11-01), Collins
patent: 2283050 (1942-05-01), Fisher
patent: 2431933 (1947-12-01), Hartmann
patent: 3557500 (1971-01-01), Schmidt et al.

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