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. 27, 2005
Filed:
Oct. 18, 2004
Akira Nishio, Tokyo, JP;
Akira Nishio, Tokyo, JP;
Victor Company of Japan, Ltd., Yokohama, JP;
Abstract
A motor () having a dynamic pressure fluid bearing is composed of a hub (), a rotor () provided with a shaft () of which one end portion is securely fastened by the hub () and another end portion is formed with a flange (), and a stator () composed of a sleeve section () for axially sustaining the shaft () so as to be rotatable freely and a thrust plate () secured on the sleeve section () so as to confront with the flange (), wherein the dynamic pressure fluid bearing is composed of a thrust dynamic pressure fluid bearing constituted by the flange () and the thrust plate (), and wherein the shaft () is provided with a through hole () bored through the shaft () from the one end surface to the other end surface, and wherein the through hole () is formed in a shape having an opening to the other end surface of the shaft () by way of a funnel shaped section () of which diameter gradually increases toward the other end surface of the shaft ().