Electric heating – Metal heating – By arc
Patent
1977-01-06
1978-01-31
Truhe, J. V.
Electric heating
Metal heating
By arc
81395, 219138, 219144, B23K 928
Patent
active
040717330
ABSTRACT:
An electrode holder to be connected to a welding current cable and having a pair of jaw support members pivoted to a tubular member therebetween which has a bore receiving said cable, the cable being connected by separate conductors to electrode gripping jaw pieces in said support members, and a pair of springs separately urging the respective jaw support members about said pivot to bring the jaw pieces together and clamp an electrode therebetween, the ends of the springs being supported in a collar which surrounds the tubular member and is adjustable longitudinally thereof to adjust the spring pressure closing said jaw pieces.
REFERENCES:
patent: 2336712 (1943-12-01), Bourque
patent: 2394204 (1946-02-01), Randall
patent: 2395213 (1946-02-01), Bourque
patent: 3717744 (1973-02-01), Pishioneri
Herkamp N. D.
Truhe J. V.
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