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:
Apr. 06, 2010
Filed:
Oct. 17, 2007
Sumio Sugita, Kanagawa, JP;
Mitsuho Aoki, Kanagawa, JP;
Yoshifumi Inagaki, Kanagawa, JP;
Yasushi Morita, Kanagawa, JP;
Sumio Sugita, Kanagawa, JP;
Mitsuho Aoki, Kanagawa, JP;
Yoshifumi Inagaki, Kanagawa, JP;
Yasushi Morita, Kanagawa, JP;
NSK Ltd., Tokyo, JP;
Abstract
A spindle apparatus which facilitates assembling and removing operations at the time of maintenance and which is low cost. In the invention, the diameter becomes smaller in the order of an inner peripheral diameter of an outer cylinder (), an inside diameter of a stator (), and an outside diameter of a bearing sleeve (); a sub-assembly () made up of a front housing (), a rotating shaft (), and the bearing sleeve () is withdrawable from the outer cylinder (); and the diameter of a rotating part in an arbitrary section located rearwardly of the bearing sleeve () is made smaller than a minimum diameter of a non-rotating part between a rear end of the bearing sleeve () and the section.