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. 03, 2013
Filed:
Mar. 10, 2009
Applicant:
Noboru Segawa, Saitama, JP;
Inventor:
Noboru Segawa, Saitama, JP;
Assignee:
Nidec Copal Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vibration motor includes: a core pivotally supported on a shaft; a commutator for supplying electric current to a coil; a commutator holder having through holes extending in an axial direction of the shaft; and chip type varistors fitted into the through holes. The commutator is provided with conductors extending in the axial direction of the shaft, and the conductors are inserted into the through holes and press-fixed to end electrodes of the chip type varistors. A first protrusion is provided on a first wall surface forming each through hole, and a second protrusion facing the first protrusion is provided on a second wall surface.