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:
Jul. 14, 2026
Filed:
May. 20, 2021
Applicant:
Jfe Steel Corporation, Tokyo, JP;
Inventors:
Yuki Takaki, Tokyo, JP;
Yusuke Yoshinari, Tokyo, JP;
Kyohei Ishida, Tokyo, JP;
Masami Tate, Tokyo, JP;
Takeshi Taki, Nagano, JP;
Assignee:
JFE STEEL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66C 1/08 (2006.01); B66C 13/18 (2006.01); G01R 33/07 (2006.01);
U.S. Cl.
CPC ...
B66C 1/08 (2013.01); B66C 13/18 (2013.01); G01R 33/07 (2013.01);
Abstract
A lifting magnet including a plurality of electromagnetic coils that are disposed in a nesting arrangement and capable of being independently ON/OFF-controlled and voltage-controlled. By using the plurality of electromagnetic coils in a selective or appropriately combined manner, the lifting magnet secures a sufficient magnetic flux penetration depth during conveyance of steel plates, and can easily and highly precisely control the magnetic flux penetration depth in accordance with the number of steel plates to be lifted.