Electric heating – Metal heating – By arc
Patent
1995-12-05
1997-12-16
Shaw, Clifford C.
Electric heating
Metal heating
By arc
200 4317, B23K 9173
Patent
active
056981228
ABSTRACT:
A dual switch for a semi automatic welding gun has a switch lever that pivots between three positions. At the first position, the switch lever is disengaged from a first switch so that the welding gun is "off". In the second position, the switch lever engages the first switch to turn the gun "on". A locking lever retains the switch lever in its second position. Pivoting the switch lever to its third position releases the locking lever to enable the switch lever to return, under a spring bias, to its first position. A second switch is independent of the first switch and is selectively actuated to vary the welding schedule while the gun is either "on" or "off".
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Knippel, Jr. William
Lubieniecki Victor
Lyall James W.
Buckman Thomas W.
Croll Mark W.
O'Brien John P.
Shaw Clifford C.
The Miller Group Ltd.
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