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. 10, 2020
Filed:
Sep. 20, 2012
Applicant:
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Inventors:
Kazuhiro Takaichi, Yokohama, JP;
Kimio Nishimura, Yokohama, JP;
Hiroharu Takeuchi, Yokohama, JP;
Kunitomo Ishiguro, Odawara, JP;
Kiyoshi Hasegawa, Yokohama, JP;
Yasuhisa Koike, Fujisawa, JP;
Assignee:
NISSAN MOTOR CO., LTD., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26F 3/00 (2006.01); H02K 15/03 (2006.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
B26F 3/00 (2013.01); B26F 3/002 (2013.01); H01F 41/0253 (2013.01); H02K 15/03 (2013.01); Y10T 225/10 (2015.04); Y10T 225/386 (2015.04);
Abstract
A field-pole magnet manufacturing apparatus fractures a magnet fixed on a die serving as a lower tool by causing a punch of an upper tool to press the magnet while in contact with the magnet. At least one projection is formed in the punch of the upper tool symmetrically with respect to the central position of the magnet in the width direction of the magnet.