Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Side-by-side terminus shafts; e.g. – truss
Patent
1974-09-20
1976-03-30
Purser, Ernest R.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Side-by-side terminus shafts; e.g., truss
52693, 85 11, E04C 302
Patent
active
039465322
ABSTRACT:
A truss structure having upper and lower chords joined by metal web members in which at least one of the chords consists of parallel wood members and the joint means connecting the metal web member to the wood members includes; a pair of metal fastener plates having a drawn opening therethrough forming an annular flange fastened to the inside faces of the wood members and a metal load transfer members inserted through an opening in the metal web member, the opening in each of the plates and into counter sunk openings in the wood members. Modified forms of the invention include the addition of prong plates, and a metal sleeve between the pin and the opening in the plates.
REFERENCES:
patent: 1762786 (1930-06-01), McKeown
patent: 2169474 (1939-08-01), Pederson
patent: 2941484 (1960-06-01), Mash
patent: 3336706 (1967-08-01), Troutner
patent: 3422591 (1969-01-01), Troutner
patent: 3480305 (1969-11-01), Jureit
patent: 3537221 (1970-11-01), Helfman et al.
patent: 3537224 (1970-11-01), Troutner
patent: 3570204 (1971-03-01), Birkemier
Cypher James R.
Friedman Carl D.
Purser Ernest R.
Simpson Manufacturing Company, Inc.
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