Metal connector struts for truss-type beams

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

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Details

52696, 52DIG6, 411461, 411468, E04C 302

Patent

active

043087035

ABSTRACT:
A sheet metal web unit for interconnecting vertically spaced apart, horizontal wood chords, is formed as an elongated channel-shaped strut with integral, flat, connector plates on its upper and lower ends. The channel is curved and shallower at the lower end of the strut and gradually gets deeper and flatter towards the upper end. The width of the channel gradually decreases and the depth of the channel legs gradually increases from the lower end to the upper end of the strut. A W-shaped web unit is formed of four of such struts integrally connected together by common connector plates. The connector plates overlap vertical face portions of the wood chords and have struck-out teeth for embedding within those overlapped face portions. The ends of the channel leg portions which are closest to the connector plate teeth are extended to overlap and also embed into the adjacent chord face portion to thereby reduce the load on the tooth nearest to the respective strut end. The connector plates are formed with integral, flat, co-planar extension strips which vertically extend into the space between the chords and between the struts which are integral with that plate.

REFERENCES:
patent: 1880478 (1932-10-01), Ragsdale
patent: 2092684 (1937-09-01), Uhl
patent: 3103262 (1963-09-01), Handley
patent: 3242620 (1966-03-01), Kaiser
patent: 3353320 (1967-11-01), Grasis
patent: 3905171 (1975-09-01), Cargill
patent: 4078352 (1978-03-01), Knowles
patent: 4207719 (1980-06-01), Knowles

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