Joist assembly and chord for use in such joist assembly

Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Side-by-side terminus shafts; e.g. – truss

Reexamination Certificate

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Details

C052S694000, C052S650100, C052S749100, C014S013000, C014S010000

Reexamination Certificate

active

06993881

ABSTRACT:
A joist assembly having a top chord with a slot formed therein, a bottom chord with a slot formed therein, and a tubular member of serpentine configuration having an upper portion received within the slot of the top chord and a lower portion received within the slot of the bottom chord. The tubular member extends between the chords so as to maintain the chords in parallel spaced relationship. The chords are formed of a length of cold roll-formed steel. The tubular member is of a single length of square tubular steel.

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American Buildings Company website, “XL plus—Large Bay Framing System”, Jul. 3, 2002 at http://www.american buildings.com.
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Metallic Buildings “Long Bay System”, Jul. 3, 2002 at http://www.metallicbuildingsinc.com.

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