Metal working – Means to assemble or disassemble – Means to drive self-piercing work part
Patent
1979-09-18
1981-12-08
Combs, Ervin M.
Metal working
Means to assemble or disassemble
Means to drive self-piercing work part
292813, 100913, 227152, 269910, B23P 1900, B25B 2714, B23Q 300
Patent
active
043040462
ABSTRACT:
A trailer bed or chassis including side rail extensions and center rail support posts serves to mount a wooden truss fabricating jig including laterally adjustable center rail sections and associated transverse arms for the support of truss lumber. An arrangement of permanent stops and swivel stops on the jig together with a truss peak locator and splice locator enable the setting up on the job site of a calibrated jig prior to placing the truss lumber thereon, resulting in a great savings of time in truss fabrication. Trusses are produced with precision and uniformity having improved quality and a wider range of truss sizes can be accommodated with the apparatus because of its versatility.
REFERENCES:
patent: 3068483 (1962-12-01), Moehlenpah et al.
patent: 3241585 (1966-03-01), Jureit
patent: 3367010 (1968-02-01), Lytle et al.
patent: 3379354 (1968-04-01), Moehlenpah et al.
patent: 3487430 (1969-12-01), Schmitt
patent: 3599562 (1971-08-01), Hutchens
patent: 3711007 (1973-01-01), Fry
patent: 3752467 (1973-08-01), Stanley
patent: 4084499 (1978-04-01), Moehlenpah
patent: 4111114 (1978-09-01), Carr
patent: 4148471 (1979-04-01), Werner
Combs Ervin M.
Weaver D. Paul
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