Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Side-by-side terminus shafts; e.g. – truss
Patent
1988-12-27
1989-10-10
Murtagh, John E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Side-by-side terminus shafts; e.g., truss
F04C 312
Patent
active
048722995
ABSTRACT:
The present invention provides a support member for use with a truss having upper and lower chords with web members extending therebetween. The chords have staggered recesses, and the web members have flattened ends which overlap within the support member. The support member includes a plurality of cases, with one such web case positioned in each of the recesses. Each web case includes a pair of opposed case elements, one of which is positioned to each side of the flattened web member ends, and wherein each case element includes a planar side portion having an interior edge facing the opposing chord, and a flange portion extending normally outwardly from the interior edge. The support member also includes a joining member for joining the web case to the adjacent web member ends. Also included in the support member is at least one case-retaining clip having a substantially planar flange and a tab extending normal to the planar flange, the tab being sized in width to be clearance receivable in the width of one of the recesses. The tab further includes a first portion of sufficient length to extend through the chord, and a second portion of sufficient length to secure the web case to the chord by bending of the second portion around the flange portion.
REFERENCES:
patent: 3268251 (1966-08-01), Troutner
patent: 3537224 (1970-11-01), Troutner
patent: 3570204 (1971-03-01), Birkemier
patent: 3591995 (1971-07-01), Troutner
patent: 4003179 (1977-01-01), Gilb
patent: 4007573 (1977-02-01), Gilb
patent: 4068442 (1978-01-01), Troutner
patent: 4069635 (1978-01-01), Gilb
patent: 4104843 (1978-08-01), Gilb
O'Sullivan Kevin B.
Troutner Arthur L.
Murtagh John E.
Trus Joist Corporation
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