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.

Patent No.:

US 7408756 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 05, 2008

Filed:

Feb. 03, 2005
Applicants:

Edward A. Enyedy, Eastlake, OH (US);

Kenneth L. Justice, Wickliffe, OH (US);

Inventors:

Edward A. Enyedy, Eastlake, OH (US);

Kenneth L. Justice, Wickliffe, OH (US);

Assignee:

Lincoln Global, Inc., City of Industry, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electro mechanical contactor device in a wire feeder for an electric arc welder having a power source and a gun with a contact tip through which welding wire is fed and a weld cycle start trigger switch having a closed condition to initiate and hold a weld cycle and an open condition. The contactor device comprises a power inlet lead connected to the power source, an output lead connected to the contactor tip, a plurality of current branches between the input lead and the output lead with a mechanical contactor having an open condition and closed condition for opening and closing each of the branches. A single solenoid operating the contactors in unison based upon the condition of the trigger switch, with a first position to close the contactors in unison when said trigger switch is shifted from the open condition to the closed condition and to hold the contactors closed when the trigger switch is in the closed condition.


Find Patent Forward Citations

Enyedy, Edward. (2008). Electro mechanical contactor device for welding wire feeder (U.S. Patent No. 7408756). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7408756

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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