Welding apparatus

Details Welding apparatus Welding apparatus

1976-10-15

1978-01-10

Truhe, J. V.

Electric heating

Metal heating

By arc

219136, 226181, 219 761, B23K 912

Patent

active

040681068

ABSTRACT:
A drive feed roller assembly for advancing a consumable filler wire to a nozzle, or the like, in a welding apparatus. The drive roller assembly includes a plurality of individual roller segments or wafers mounted axially on a rotatable drive shaft generally concentric with the axis of rotation thereof for rotation therewith. Each roller segment has a generally concentric peripheral groove for engaging and advancing the consumable filler wire to the nozzle. Each roller segment is removable from the drive shaft for selectively interchanging the roller segments in different side-by-side arrangements axially on the drive shaft to permit placement of any one of the roller segments in position for engaging the filler wire. A clamp is provided for holding the roller segments axially on the drive shaft in any side-by-side arrangement. A backup roller is provided for engaging the filler wire on a side thereof opposite the roller segments to maintain the filler wire in engagement with the groove of a properly positioned one of the side-by-side roller segments.

REFERENCES:
patent: 397283 (1889-02-01), Gehring
patent: 2654015 (1953-09-01), Landis et al.
patent: 2868956 (1959-01-01), Lobosco
patent: 3317779 (1967-05-01), Henderson
patent: 3526749 (1970-01-01), Shrubsall
patent: 3652823 (1972-03-01), Clemens et al.
patent: 3748435 (1973-07-01), Reynolds
patent: 3835287 (1974-09-01), Jonsson
patent: 3964490 (1976-06-01), Nelms
patent: 3966170 (1976-06-01), McKenna

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