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:
Mar. 26, 2013
Filed:
Mar. 31, 2009
Gerald E. Carkin, Tarentum, PA (US);
Jarie-erland Herstad, Nittedal, NO;
Joseph Lepish, Lower Burrell, PA (US);
Gerald E. Carkin, Tarentum, PA (US);
Jarie-Erland Herstad, Nittedal, NO;
Joseph Lepish, Lower Burrell, PA (US);
Alcoa Inc., Pittsburgh, PA (US);
Abstract
In an embodiment, an electrode holder assembly () includes a current delivery base () having an interface () sufficiently designed to distribute an electrical current; a buss plate () sufficiently designed to provide the electrical current to the current delivery base (); a shoe-ring assembly having: a plurality of electrical shoes (), wherein the electrical current from the current delivery base () is distributed to the plurality of electrical shoes () for distribution to an electrode (); a plurality of dual stroke cylinders (); and a mounting ring (); and a hydraulic assembly () including a grip ring () having an opening sufficiently designed to engage an outer surface of the electrode (); a pressurizing cylinder () sufficiently designed to constrict and relax the grip ring (); and at least one dual stroke cylinder () sufficiently designed to control horizontal movement of the grip ring () and the electrode ().