B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/94
B23K 11/10 (2006.01)
Patent
CA 1267452
ABSTRACT OF THE DISCLOSURE A portable spot welder includes a hand-held electrode clamp assembly. The hand-held clamp has a fixed electrode and a movable electrode adapted to be moved toward and away from the fixed electrode. A spring loaded toggle is used to pivot the movable electrode to clamp a workpiece between the electrodes to exert a predetermined and repeatable pressure. The invention includes an air cooling system. Air is forced through the electrical cables connecting the hand-held electrode clamp to the welder transformer. At the hand-held clamp, the air escapes to the atmosphere through passageways near the electrodes, thereby enabling heat generated within the cables and at the electrodes to be transferred to the flowing air.
526691
Smart & Biggar
Wilcox Paul A.
LandOfFree
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