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:
May. 23, 2006
Filed:
Mar. 01, 2002
Takuma Saito, Ibaraki, JP;
Shinki Ohtsu, Ibaraki, JP;
Yasuki Ohmori, Ibaraki, JP;
Chikai Yoshimizu, Ibaraki, JP;
Katsuhiro Oomori, Ibaraki, JP;
Masanori Watanabe, Ibaraki, JP;
Takuma Saito, Ibaraki, JP;
Shinki Ohtsu, Ibaraki, JP;
Yasuki Ohmori, Ibaraki, JP;
Chikai Yoshimizu, Ibaraki, JP;
Katsuhiro Oomori, Ibaraki, JP;
Masanori Watanabe, Ibaraki, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
A power tool includes a powered drive source, a speed reduction mechanism portion for transmitting a rotational power of the drive source, a striking mechanism portion for converting the rotational power of the speed reduction mechanism portion into a striking force, an end tool for outputting the striking force and a rotational force through the striking mechanism portion, and an impact damping mechanism for damping the impact of the end tool in a direction of rotation of the speed reduction mechanism.