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:
Nov. 08, 1995
Applicant:
Inventor:
Tatsuzo Ushiro, Kawaguchi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310268 ; 310 / ; 310 / ; 310254 ; 310179 ;
Abstract
A motor comprising a rotor unit and a stator unit. The rotor unit includes a multipolar rotor magnet; a gear, disposed away from the center of rotation of the rotor unit with respect to the rotor magnet, for transmitting torque of the rotor unit to the outside; and a rotary shaft disposed at the center of rotation. The stator unit includes a substrate; and a plurality of coils disposed facing the rotor magnet on the substrate, the substrate having a cut-out section between at least two of the plurality of coils, with the cut-out section causing the outer peripheral section of the gear to be exposed.