Interlocking cross tee

Details Interlocking cross tee Interlocking cross tee

1989-05-04

1990-04-03

Scherbel, David A.

Static structures (e.g., buildings)

Frangible section or means

52232, 52667, E04C 242

Patent

active

049128949

ABSTRACT:
A fire-resistant suspended ceiling grid structure having cross tees interlocked to main beams, to support ceiling tiles. The structure has shear means to permit a cross tee to expand into a main beam during a fire. The interlock includes tongues held in an abutting relationship by open belt loops. The tongues slide to permit the cross tees to expand longitudinally during a fire.

REFERENCES:
patent: 4489529 (1984-12-01), Ollinger et al.
patent: 4685262 (1987-08-01), Meredith, Jr.
patent: 4712350 (1987-12-01), Vukmanic
patent: 4727703 (1988-03-01), Platt
patent: 4827681 (1989-05-01), Platt

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