Suspended ceiling construction and compression strut therefor

Details Suspended ceiling construction and compression strut therefor Suspended ceiling construction and compression strut therefor

1989-01-23

1990-08-14

Scherbel, David A.

Static structures (e.g., buildings)

Facer held by stiffener-type frame

Facer back abuts and conceals frame

52488, 52769, 52764, 2482001, 403109, E06B 354

Patent

active

049476076

ABSTRACT:
This invention comprises a suspended ceiling grid system having an adjustable compression strut installed between the grid members of the system and the building or construction superstructure which lies in a plane above the suspended ceiling. The adjustable compression strut stabilizes the ceiling system and prevents upward movement of the system such as might occur during a seismic shock or earthquake tremor. The compression strut comprises two co-axial, telescoping cylindrical strut members having a spring clip attached to the inner end of the inner strut member that allows the strut to be extended but not retracted. The compression strut is installed by simply holding it in position between the suspended ceiling grid and the superstructure and then extending the strut members until they are locked in place by the action of the spring clip.

REFERENCES:
patent: 3519293 (1970-07-01), Henning et al.
patent: 3560032 (1971-02-01), Cohen et al.
patent: 3674294 (1979-07-01), Kirkham
patent: 3842561 (1974-10-01), Wong
patent: 3995823 (1976-12-01), Hensel
patent: 4084364 (1978-04-01), Jones
patent: 4426822 (1984-01-01), Gailey
patent: 4545166 (1985-10-01), Kielmeyer
McMaster-Carr Catalog, 1988, pp. 2012, 2200.

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