Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1975-07-02
1977-03-15
Shedd, Wayne L.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
403244, 403231, F16B 722
Patent
active
040117073
ABSTRACT:
An end detail is provided for a cross tee to provide positive engagement of the cross tee with the main runner of a suspended ceiling system. The end detail of the cross tee may be provided with means which will positively lock the tee in place to bracket-like structures on the main runner. The positive locking, yet removable, fastening means is provided to fasten the cross tee to the main runner of a suspended ceiling system.
REFERENCES:
patent: 2896752 (1959-07-01), Wilde
patent: 2990921 (1961-07-01), Wilde
patent: 3169614 (1965-02-01), McCoy
patent: 3270479 (1966-09-01), Weinar
patent: 3374596 (1968-03-01), O'Brien et al.
patent: 3722933 (1973-03-01), Nute
Armstrong Cork Company
Shedd Wayne L.
LandOfFree
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