Bridging system for steel joists

Details Bridging system for steel joists Bridging system for steel joists

1984-02-15

1986-02-11

Murtagh, John E.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Three-dimensional space-defining

52721, 52694, E04H 1200

Patent

active

045691770

ABSTRACT:
A bridging system (50) for steel joists (56) comprises fasteners (52) secured to the chords (54) of the steels joists (56) by welding. Bridging members (60) comprise the lengths of angle iron having fastener receiving holes (62) formed therein at equally spaced intervals. Selected fastener receiving holes (62) of the bridging members (60) are engaged with the fasteners (52), and the bridging members (60) are mechanically retained in engagement with the fasteners (52). The fasteners (52) may comprise steel dowels, in which case the bridging members (60) are retained by retaining rings (74), or threaded members, in which case the bridging members (60) are retained by nuts (76) threadedly engaged with the fasteners (52).

REFERENCES:
patent: 2412778 (1946-12-01), Kosek
patent: 3196993 (1965-07-01), Holloman
patent: 3421280 (1969-01-01), Attwood et al.
patent: 4106256 (1978-08-01), Cody
patent: 4349996 (1982-09-01), Lautensleger
patent: 4438616 (1984-03-01), Codd

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