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:
Sep. 15, 1987
Filed:
Dec. 31, 1985
Applicant:
Inventors:
Assignees:
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Seiki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; H02K / ; E01D / ;
U.S. Cl.
CPC ...
3542711 ; 310 90 ; 384282 ;
Abstract
A bearing member of a ring-shaped lubrication member made of a resin material is arranged between a ring-shaped stator having an excitation coil and pole teeth and a ring-shaped magnet rotor arranged inside of the stator, and the stator, magnet rotor and the lubrication member are held in union by holding members to form a motor.