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:
Sep. 07, 2010
Filed:
Dec. 08, 2005
Toshimasa Kobayashi, Kyoto, JP;
Masaki Nakamura, Kyoto, JP;
Taketo Nishimura, Kyoto, JP;
Hisatomu Yamamoto, Aichi, JP;
Hideaki Ogata, Aichi, JP;
Masaharu Ishiwata, Kanagawa, JP;
Tomoyuki Iga, Kanagawa, JP;
Yoko Yamagata, Kanagawa, JP;
Toshimasa Kobayashi, Kyoto, JP;
Masaki Nakamura, Kyoto, JP;
Taketo Nishimura, Kyoto, JP;
Hisatomu Yamamoto, Aichi, JP;
Hideaki Ogata, Aichi, JP;
Masaharu Ishiwata, Kanagawa, JP;
Tomoyuki Iga, Kanagawa, JP;
Yoko Yamagata, Kanagawa, JP;
Nidec Corporation, Kyoto, JP;
Abstract
There is provided a dynamical pressure bearing device, a motor and a recording drive device. The dynamical pressure bearing device has a shaft having a first bearing surface and a first portion exteriorly adjacent to the first bearing surface; and a sleeve having a second bearing surface and a second portion exteriorly adjacent to the second bearing surface. The sleeve is rotatably engaged with the shaft with a clearance. The oil repellent film includes a fluorine polymer having a perfluoroalkyl group; and a chromogenic substance which makes color development in blue at UV irradiation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile