Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Side-by-side terminus shafts; e.g. – truss
Patent
1980-12-22
1983-06-28
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Side-by-side terminus shafts; e.g., truss
403230, 403280, 403297, 52 90, 52639, E04C 302
Patent
active
043898297
ABSTRACT:
A roof system of the type wherein a rafter and a purlin are connected by a sheet metal truss. The truss contains a pair of channel-shaped mounting flanges that are hinged to the member at each end thereof. One flange is adapted to pass over and be seated upon the rafter while the opposite flange is adapted to pass over the purlin. In assembly, the flanges are brought into alignment with holes formed in the rafter and the purlin and the truss is secured in place using a spring loaded truss pin that can be easily deformed in assembly to provide a rivet-like connection between the cojoined members.
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patent: 1924881 (1933-08-01), Ragsdale
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patent: 3952461 (1976-04-01), Kinsey
patent: 4030264 (1977-06-01), Jackson
patent: 4123881 (1978-11-01), Muse
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