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:
Jul. 17, 2018
Filed:
Feb. 14, 2015
Applicant:
Hitachi Koki Co., Ltd., Tokyo, JP;
Inventors:
Kenichirou Yoshida, Ibaraki, JP;
Shinji Kuragano, Ibaraki, JP;
Assignee:
HITACHI KOKI CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/28 (2006.01); H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
H02K 3/28 (2013.01); H02K 7/145 (2013.01);
Abstract
An electric tool includes a brushless motor having a plurality of phases, the brushless motor. The brushless motor includes a plurality of stator coils connected in parallel with each of the plurality of phases, and a plurality of crossover wires, each of the crossover wires being configured to electrically connect the plurality of stator coils for each of the plurality of phases to each other. The plurality of crossover wires for the plurality of phases are electrically connected to each other.