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.:
Date of Patent:
Apr. 13, 2021
Filed:
Apr. 16, 2019
Applicant:
Agie Charmilles SA, Losone, CH;
Inventor:
Franco Volpi, Tegna, CH;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23H 7/10 (2006.01); H01R 39/64 (2006.01);
U.S. Cl.
CPC ...
B23H 7/107 (2013.01); H01R 39/64 (2013.01);
Abstract
The present invention is directed to a current feeding device for the supply of electrical current to a wire electrode traveling in an electro-erosion machine during the machining operation. The current feeding device comprising: a rotary electrically conductive body which is in contact with the wire electrode; at least one bearing for supporting the rotary electrically conductive body at one side; and a brush for electrically contacting the rotary electrically conductive body and for supporting the rotary electrically conductive body at the other side of the body and opposite side to the bearing. The brush is at the rotary axis of the rotary electrically conductive body.