The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 05, 1991

Filed:

Jun. 20, 1989
Applicant:
Inventors:

Mitsuo Konno, Sayama, JP;

Hisashi Noro, Sayama, JP;

Naotero Katsura, Sayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 861 ;
Abstract

A welding electric current is suppled to a tiltable resistance welding gun having a pair of electrodes which grip a workpiece while effecting resistance welding thereon. A power receiver terminal on the resistance welding gun and a power supply unit are connected to each other when the electrodes grip the workpiece therebetween, and the welding current is supplied from the power supply unit to the power receiver terminal. When the electrodes are separated from the workpiece, the power receiver terminal and the power supply unit are disconnected from each other.


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