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:
Oct. 07, 2014

Filed:

Jul. 22, 2011
Applicants:

Koichi Matsumoto, Tochigi, JP;

Hiroshi Miwa, Tochigi, JP;

Inventors:

Koichi Matsumoto, Tochigi, JP;

Hiroshi Miwa, Tochigi, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K 9/10 (2006.01); B23K 9/00 (2006.01); B23K 11/31 (2006.01);
U.S. Cl.
CPC ...
B23K 11/314 (2013.01);
Abstract

A welding gun is provided that can achieve both a size reduction and increase in pressure using a servo motor. The welding gun () includes an arm holder () having guide pins (and) that are moveable along guide tracks () formed in a gun bracket (), and a mobile gun arm () is mounted to this arm holder. Roller followers (and) engaging with the guide tracks around the guide pins are provided, and the mobile gun arm is made to open or close via the arm holder using a servo motor ().


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