Geometrical instruments
Patent
1979-05-21
1980-07-01
McGlynn, Joseph H.
Geometrical instruments
339 12R, 339264R, H01R 1126
Patent
active
042103738
ABSTRACT:
A ground clamp for rotatably connecting a welding cable to a workpiece which permits the workpiece to be rotated during welding while the portion of the clamp to which the cable is clamped remains substantially stationary so that the cable is not wrapped around the workpiece. The clamp may be secured to workpieces of differing configurations.
REFERENCES:
patent: 2420895 (1947-05-01), Merriman
patent: 2796592 (1957-06-01), Borel
patent: 3268853 (1966-08-01), Noker et al.
patent: 4159161 (1979-06-01), Timmer
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