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:
Jun. 02, 1998
Filed:
Jul. 25, 1996
Applicant:
Inventor:
Young Ok Chung, Kyunggi-do, KR;
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 90 ; 310 / ; 310 61 ; 360 9908 ; 360 9904 ; 384108 ;
Abstract
A spindle motor using an hemispherical-type air bearing, wherein air circulation means is formed on the shaft inserted and fixed in the air bearing, so that air inflow to the air bearing and air circulation within the bearing are highly facilitated, whereby friction and wear phenomena between the hemispherical balls and the ball casing is reduced and noises are inhibited, and whereby the life span of the air bearing can be extended and the performance of the spindle motor itself can be enhanced.
Chung, Young. (1998). Spindle motor using an air bearing (U.S. Patent No. 5760509). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5760509
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile