Plastic bushing for use with steel/wood truss structures

Details Plastic bushing for use with steel/wood truss structures Plastic bushing for use with steel/wood truss structures

1980-09-02

1983-11-22

Friedman, Carl D.

Static structures (e.g., buildings)

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

Side-by-side terminus shafts; e.g., truss

52693, E04C 302

Patent

active

044161026

ABSTRACT:
A cylindrical resilient plastic bushing having a central bore fits coaxially within the wooden chord openings of a single or double chord truss joist. The bushing bores are sized to receive the metal pins of the joist which fasten the metal webs to the chord section. The insertion of the pin slightly expands the resilient bushing thereby providing for a full fit of the pin within the bushing and securely locking the bushing within the chord. The bushing distributes the shear and compression loads over the wooden chords and absorbs vibrations acting on the truss.

REFERENCES:
patent: 2819105 (1958-01-01), Behuke
patent: 3333874 (1967-08-01), Gelfarb
patent: 3531903 (1970-10-01), Swanson
patent: 3883258 (1975-05-01), Hewson
patent: 3946532 (1976-03-01), Gilb
patent: 4071941 (1978-02-01), Sweet
patent: 4094116 (1978-06-01), Gilb

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