Static structures (e.g. – buildings) – Sheetlike element assembled parallel to existing wall,... – Element spaced from wall – ceiling – or floor and held by...
Patent
1993-08-23
1995-03-07
Friedman, Carl D.
Static structures (e.g., buildings)
Sheetlike element assembled parallel to existing wall,...
Element spaced from wall, ceiling, or floor and held by...
527262, 52664, E04B 138
Patent
active
053946693
ABSTRACT:
A locking connection fastens two oppositely positioned cross runners perpendicular to another runner. Compressible tabs on the cross runners are inserted in slots of the other runner to fasten the three runners together. The tabs at one connection are positioned one above the other and the tab on one cross runner projects into a cutout of the opposite cross runner. Two cutouts on the opposite sides of each tab lock the runners together.
REFERENCES:
patent: 2873828 (1959-02-01), Zitomer
patent: 2946414 (1960-07-01), Gordon et al.
patent: 3093221 (1963-06-01), Purdy
patent: 3096862 (1963-07-01), Purdy
patent: 3584904 (1971-06-01), Lickliter
patent: 3675957 (1972-07-01), Lickliter et al.
patent: 4548013 (1985-10-01), Briceno
Hallett Chester W.
McClure Carl K.
Armstrong World Industries Inc.
Canfield Robert J.
Friedman Carl D.
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