Electric heating – Metal heating – By arc
Patent
1991-07-01
1992-10-13
Shaw, Clifford C.
Electric heating
Metal heating
By arc
228 41, B23K 912
Patent
active
051553325
ABSTRACT:
A hand held welding wire feeder that is small enough and shaped correctly to fit within a users hand. A thumb operated feed wheel rolls against a springable idler roller with the wire guided between the two by tubes in line with the contact area between the thumb feed wheel and the idler roller. The exit tube can be telescoped to the desired length. The thumb wheel has a self centering valley and groove that adapt to any diameter wire.
REFERENCES:
patent: 1377792 (1921-05-01), Rice
patent: 3356273 (1967-12-01), Wallace
patent: 3999697 (1976-12-01), Hill, Jr.
patent: 4068106 (1978-01-01), Shaputis
patent: 4206862 (1980-06-01), DaCosta
Jacobs Marvin E.
Shaw Clifford C.
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