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:
Dec. 13, 2011
Filed:
Jun. 25, 2008
Satoru Hanaoka, Kyoto, JP;
Tomotsugu Sugiyama, Kyoto, JP;
Shinya Tabata, Kyoto, JP;
Takashi Tsukada, Kyoto, JP;
Satoru Hanaoka, Kyoto, JP;
Tomotsugu Sugiyama, Kyoto, JP;
Shinya Tabata, Kyoto, JP;
Takashi Tsukada, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
The manufacturing method of a rotor holder according to the present invention includes a step in which a top plate portion having a substantially discoid shape substantially centered about a central axis, and a side wall portion extending from an outer circumferential edge of the top plate portion are formed simultaneously by feeding a metal plate in a predetermined direction and pressing the metal plate by a die. Also, the present manufacturing method includes a step in which a punched portion is formed at the side wall portion.