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:
May. 02, 1989
Filed:
Sep. 09, 1987
Applicant:
Inventor:
Satoshi Nakajima, Iida, JP;
Assignee:
Shinano Tokki Corporation, Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 90 ; 277-3 ; 384478 ; 384488 ;
Abstract
A sealing structure for use in efficiently and effectively preventing the egress of grease aerosol particles from a motor. The seal comprises forming a high speed air flow at an outer end of a bearing assembly of the motor, which air flow will not permit the passage of such aerosol particles outside the bearing assembly.
Nakajima, Satoshi. (1989). Sealing structure in a motor for magnetic discs (U.S. Patent No. 4827168). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4827168
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile