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:
Jan. 30, 2003
Applicants:
Atsuyuki Kikuchi, Ibaraki, JP;
Masato Sakai, Ibaraki, JP;
Inventors:
Atsuyuki Kikuchi, Ibaraki, JP;
Masato Sakai, Ibaraki, JP;
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D017/00 ;
U.S. Cl.
CPC ...
Abstract
In a percussion tool such as an electric hammer or a hammer drill in which the axial direction of a motoris substantially perpendicular to that of a tool bitattached to a tool holder, a motor housingis made of a hard material such as aluminum, and a tail coveris disposed on the lower end of the motor housing, projectionsandwhich project beyond the tail coverare disposed.