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:
Aug. 14, 2012
Filed:
Apr. 30, 2009
Applicants:
Hideaki Nakamura, Itabashi-ku, JP;
Eisuke Oshima, Ota-ku, JP;
Inventors:
Hideaki Nakamura, Itabashi-ku, JP;
Eisuke Oshima, Ota-ku, JP;
Assignee:
Nidec Copal Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 7/075 (2006.01); B06B 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A weight used in a vibration motor includes first and second weight parts that extend along adjacent wing parts to hold the wing parts therebetween; an insertion part that is formed between the first and second weight parts and into which the adjacent wing parts are inserted in the radial direction of the core; and a third weight part that is inserted between the adjacent wing parts (that is, slot) and connects the first weight part and the second weight part in a direction of the rotation axis line such that the insertion part is decoupled.