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. 09, 2003
Filed:
Mar. 28, 2002
Applicant:
Inventors:
Assignee:
Mitsumi Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 7/075 ; H02K 7/065 ;
U.S. Cl.
CPC ...
H02K 7/075 ; H02K 7/065 ;
Abstract
The present invention relates a vibration generating motor providing simple and fast assembly, and ready recycling. A motor includes a plurality of rotors around a rotary shaft, a plurality of coil winding portions on respective rotors, and a coil on each respective coil winding portion. At least a two part weight is positioned between selected coil winding portions and has an seperably upper and lower part, allowing weight maximization at low cost while conserving space.