Folding grandstand

Details Folding grandstand Folding grandstand

1993-06-17

1995-01-10

Friedman, Carl D.

Static structures (e.g., buildings)

With stadium or auditorium feature

Seating arrangement

E04H 312

Patent

active

053795563

ABSTRACT:
A folding grandstand comprising a supporting frame of forward intermediate and rearward sections hinged together at adjacent ends, vertical support assemblies hinged to the respective sections for supporting the sections on a ground tracks and permitting the grandstand sections to be folded into a collapsed position. The support assemblies comprise continuous trusses permitting the use of fewer pickup points when folding the grandstand along the tracks.

REFERENCES:
patent: 1433547 (1922-10-01), Hadden
patent: 2147564 (1939-02-01), Vance
patent: 2663913 (1953-12-01), Mackintosh
patent: 2663914 (1953-12-01), Mackintosh
patent: 2817121 (1957-12-01), Mackintosh
patent: 3748798 (1973-07-01), Mackintosh
patent: 4909000 (1990-03-01), Mackintosh

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