SPOT WELDING TONGS FOR ROBOTIC APPLICATIONS IN RESISTANCE WELDING OR WORKPIECES
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United States of America Patent
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app pub date -
Jul 9, 2009
filing date -
Jul 3, 2003
priority date (Note) -
Abandoned
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Abstract
There are spot welding tongs for robotic applications in resistance welding of workpieces, in particular sheets, comprising tong arms, mounted such as to pivot on a base body, which may be adjusted using an operator and to which electrode holders for the electrodes are fixed and a winding device with a pay-out roller and a wind-in roller, for the winding in and out of a strip to protect at least one electrode. According to one embodiment, such spot welding tongs may be produced, in which access is not seriously affected and with a very simple and compact construction, whereby the pay-out roller and the wind-in roller of the winding device are arranged on the base body, or the tongs arm and at least one guide groove, for guiding the strip, is arranged in the tongs arm and/or the electrode holder.
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