Workpiece feeding apparatus in seam welding machine

Details Workpiece feeding apparatus in seam welding machine Workpiece feeding apparatus in seam welding machine

1985-05-31

1987-03-24

Goldberg, E. A.

Electric heating

Metal heating

For bonding with pressure

219158, 901 29, B23K 1106, B23K 3704, B25J 1702

Patent

active

046527184

ABSTRACT:
A wrist portion assembly for a workpiece feeding apparatus of a seam welding machine wherein a workpiece is supported through a chucking device on an operational end of a robot so that a portion of the workpiece to be welded is fed between a pair of upper and lower electrode rolls. The wrist portion includes plural turnable members. At least one of the turnable members which serves to move the chucking device upwardly and downwardly by the turning thereof is formed into an idle turnable member having no driving source.

REFERENCES:
patent: 4392766 (1983-07-01), Blunt
patent: 4574655 (1986-03-01), Kimura et al.
"Hydro-Wrist", Bird-Johnson Company, Apr. 18, 1983.
"Resistance Welding at Work", Sciaky Bros., Inc., Jan. 12, 1948.

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