Apparatus for fabricating flat trusses

Details Apparatus for fabricating flat trusses Apparatus for fabricating flat trusses

1977-03-14

1978-05-16

Larson, Lowell A.

Metal working

Means to assemble or disassemble

Means to drive self-piercing work part

29432, 100DIG13, 269321F, 144288C, B23P 1100

Patent

active

040891070

ABSTRACT:
Apparatus for fabricating flat wood trusses having parallel chords with web members connected thereto by toothed metal plates. A rigid jig bed is provided on which to assemble the components between a fixed bar on one side of the bed and a laterally movable bar on the other side. Fluid cylinder means mounted on the bed engage the movable bar to clamp the assembled components against the opposite rigid bar. A single stand of pinch rolls at one end of the bed rolls the metal toothed plates into the wood joints and is also adapted to apply toothed metal reinforcing strips to the chords prior to assembly.

REFERENCES:
patent: 3241585 (1966-03-01), Jureit
patent: 3299920 (1967-01-01), Koenigshof
patent: 3868898 (1975-03-01), Sanford
patent: 3945630 (1976-03-01), Brunemann
patent: 4005520 (1977-02-01), Sanford
patent: 4024809 (1977-05-01), Moehlenpah

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