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:
May. 15, 2012
Filed:
Jun. 15, 2009
Tom Illencik, Girard, OH (US);
Ronald R. Akers, Guntersville, AL (US);
Richard Mckelvey, Albertville, AL (US);
Tom Illencik, Girard, OH (US);
Ronald R. Akers, Guntersville, AL (US);
Richard McKelvey, Albertville, AL (US);
Ajax Tocco Magnethermic Corporation, Warren, OH (US);
Abstract
Improved induction coil apparatus and methods are presented for induction hardening undercut fillets of crankshafts or other workpiece recesses in which an active turn is energized for heating a journal area in the workpiece recess and one or more passive turns are translated toward undercut fillets once the coil assembly is moved toward the recess with coupling portions of the passive and active turns coupling energy from the active turn to the passive turn(s) for heating the undercut fillets.