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:
Dec. 08, 1992
Filed:
May. 14, 1991
Applicant:
Inventors:
Naoto Harada, Yokohama, JP;
Shuji Sekine, Yokohama, JP;
Assignee:
Jidosha Denki Kogyo K.K., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16C / ;
U.S. Cl.
CPC ...
384610 ; 384218 ; 384425 ; 384611 ;
Abstract
A thrust bearing device for a motor comprises a housing of the motor, a thrust plate disposed in the housing and in contact with an end of a motor shaft, a spring for energizing the motor shaft through the thrust plate, and the housing is formed with a stepped portion for restricting movement of the thrust plate within a predetermined small range. According to this invention, it is possible to improve the durability and the reliability of the motor.