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. 13, 2017
Filed:
Feb. 21, 2014
Applicant:
Hitachi Koki Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI KOKI CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/14 (2006.01); H02K 9/00 (2006.01); H02K 9/22 (2006.01); B25F 5/00 (2006.01);
U.S. Cl.
CPC ...
H02K 7/145 (2013.01); B25F 5/008 (2013.01); H02K 9/00 (2013.01); H02K 9/22 (2013.01);
Abstract
An electric power tool including: a housing; a brushless motor accommodated in the housing; a fan attached to a rotation shaft of the brushless motor; a switching element configured to control the brushless motor; and a substrate on which the switching element is mounted, wherein a first through-hole is provided to a switching element arranged portion of the substrate.