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. 07, 2013
Filed:
Jun. 08, 2010
Kosuke Nakanishi, Kyoto, JP;
Shinya Tabata, Kyoto, JP;
Toshihide Sonoda, Kyoto, JP;
Yoshihisa Kitamura, Kyoto, JP;
Kosuke Nakanishi, Kyoto, JP;
Shinya Tabata, Kyoto, JP;
Toshihide Sonoda, Kyoto, JP;
Yoshihisa Kitamura, Kyoto, JP;
Nidec Corporation, Kyoto, JP;
Abstract
A turntable for a storage disk drive apparatus includes a plate member made of a ferromagnetic material and a central resin member arranged at the center of the plate member and formed into a single member by injection-molding a resin. The plate member includes a peripheral plate portion and a central plate portion positioned higher than the peripheral plate portion. The central plate portion includes a plate center hole defined at the center of the plate member. The central resin member includes a resinous cylinder portion extending through the plate center hole and defining a resin central through-hole, a disk guide portion arranged to guide a disk center hole, and a resinous connector portion arranged above the central plate portion to interconnect the resinous cylinder portion and the disk guide portion.