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:
Nov. 23, 1993
Filed:
Jan. 27, 1993
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ; F16C / ;
U.S. Cl.
CPC ...
310 90 ; 384902 ; 310 / ;
Abstract
A sleeve-type plain bearing of an axial-flow fan motor, made of sintered oilless metal, for bearing a rotation of a rotor has plural protrusions on a thrust bearing surface in a direction vertical to an axial direction of the rotor, and thereby lubricant impregnated in the sintered oilless metal is always supplied in spaces formed by the thrust bearing surface, the protrusions and a thrust plate provided on the rotation shaft.
Ootsuka, Shigeru. (1993). Axial-flow fan motor (U.S. Patent No. 5264748). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5264748
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile