Static structures (e.g. – buildings) – Machine or implement
Patent
1986-12-29
1988-03-15
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Machine or implement
E04C 332
Patent
active
047304332
ABSTRACT:
An end detail for a ceiling runner is provided incorporating a tongue extending from the end of the ceiling runner with a tab formed as part of the tongue. Due to the construction of the ceiling runner, the tab is formed from two side-by-side pieces of metal which tend to separate. A means is provided near the base of the tab on the tongue for displacing a portion of the metal of the tongue laterally within the plane of the tongue to lock together the two pieces of metal forming the tongue.
REFERENCES:
patent: 3142367 (1964-07-01), Brown et al.
patent: 3396997 (1968-08-01), Adams
patent: 3979874 (1976-09-01), Cubbler et al.
patent: 4525973 (1985-07-01), Vukmanic et al.
patent: 4549383 (1985-10-01), Vukmanic et al.
Ollinger James C.
Ziegler Daniel C.
Armstrong World Industries Inc.
Ridgill, Jr. James L.
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