Spot welder with electrode clamp

Details Spot welder with electrode clamp Spot welder with electrode clamp

1985-08-23

1987-04-07

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219 8631, 219 90, B23K 1110

Patent

active

046563270

ABSTRACT:
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.

REFERENCES:
patent: 1534688 (1925-04-01), Collins
patent: 2651701 (1953-09-01), Backen
patent: 2747063 (1956-05-01), Waring
patent: 4208566 (1980-06-01), Eghammer et al.

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