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. 21, 2005
Filed:
Apr. 28, 2004
Applicants:
Naohisa Koyanagi, Isesaki, JP;
Akihisa Inoue, Isesaki, JP;
Inventors:
Naohisa Koyanagi, Isesaki, JP;
Akihisa Inoue, Isesaki, JP;
Assignee:
Tokyo Parts Industrial Co., Ltd., Gunma-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K001/04 ;
U.S. Cl.
CPC ...
Abstract
For the purpose of preventing resin from flowing into a commutator when resin molding a rotor, a rotor for a flat coreless motor comprises a printed wiring board, on one side of which a plurality of air-cored armature coils are provided, and on the other side of which a plurality of segment patterns constituting a commutator and a wiring pattern are provided. These members are molded with resin into a unitary body with the segment patterns exposed. Wiring pattern parts are provided so as to surround the outer periphery of the commutator.