Interlocking cross tee
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United States of America Patent
Stats
-
Apr 3, 1990
Issued Date -
N/A
app pub date -
May 4, 1989
filing date -
Nov 28, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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International Classification(s)
Cited Art Landscape
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