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:
Dec. 27, 2011
Filed:
Jun. 17, 2008
Applicants:
Katsuhiro Oomori, Ibaraki, JP;
Yoshihiro Komuro, Ibaraki, JP;
Kenichirou Yoshida, Ibaraki, JP;
Kazutaka Iwata, Ibaraki, JP;
Inventors:
Katsuhiro Oomori, Ibaraki, JP;
Yoshihiro Komuro, Ibaraki, JP;
Kenichirou Yoshida, Ibaraki, JP;
Kazutaka Iwata, Ibaraki, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
According to an aspect of the present invention, there is provided a power tool including: a housing having a suction port formed thereon to introduce an cooling air from an outside of the housing; and a brushless motor that is housed in the housing and has an electric circuit, the electric circuit having a heat radiating surface, wherein the heat radiating surface is disposed in a neighborhood of the suction port.