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:
Feb. 17, 2004
Filed:
Nov. 14, 2001
Applicant:
Inventors:
Hiroyuki Shingai, Tokyo, JP;
Yasuo Shibata, Tokyo, JP;
Assignee:
Nidec Copal Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C 3/206 ;
U.S. Cl.
CPC ...
F16C 3/206 ;
Abstract
An annular groove portion is integrally formed for preventing splashing of the lubricating oil by extending from a mount base ( ) of the motor rotor to the motor shaft ( ) to the metal bearing ( ) and the radial ball bearing ( ), allowing a spacer member ( ) making contact with an inner ring ( ) of the radial ball bearing ( ) to be attached inside the annular groove portion.