Grid ceiling

Details Grid ceiling Grid ceiling

1985-12-06

1987-05-19

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Facer held by stiffener-type frame

Facer back abuts and conceals frame

52665, E04B 552

Patent

active

046656740

ABSTRACT:
A grid ceiling comprising a set of first parallel channel section elongate members and a set of second parallel channel section elongate members, the first members being so arranged transverse to the second members as to form a grid with polygonal spaces therein. Each channel shaped member includes a lower portion and two spaced side flanges extending upwardly therefrom. At least one integral hook is formed at each of the ends of the second members and co-operating first openings are formed in at least one side flange of the first members at first position situated at regular, spaced intervals therealong, so that the hooks of the second members can be engaged in said first openings to form said grid ceiling. A series of one or more second openings are formed in at least one side flange of the second member at second position situated at regular, spaced intervals therealong. The second openings are so shaped that, when the second members are cut at the relevant second positions transverse to the length of the second members, at least one of said integral hooks is formed.

REFERENCES:
patent: 3187856 (1965-06-01), Lydard
patent: 3287874 (1966-11-01), Stahlhut
patent: 3369332 (1968-02-01), Harlan
patent: 3370301 (1968-02-01), Harlan
patent: 4034534 (1977-07-01), Taylor
patent: 4479341 (1984-10-01), Schuplin

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