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. 20, 2016
Filed:
Jun. 30, 2011
Katsuhiro Oomori, Hitachinaka, JP;
Mizuho Nakamura, Hitachinaka, JP;
Yutaka Ito, Hitachinaka, JP;
Nobuhiro Takano, Hitachinaka, JP;
Tomomasa Nishikawa, Hitachinaka, JP;
Hironori Mashiko, Hitachinaka, JP;
Shigeru Takahashi, Hitachinaka, JP;
Katsuhiro Oomori, Hitachinaka, JP;
Mizuho Nakamura, Hitachinaka, JP;
Yutaka Ito, Hitachinaka, JP;
Nobuhiro Takano, Hitachinaka, JP;
Tomomasa Nishikawa, Hitachinaka, JP;
Hironori Mashiko, Hitachinaka, JP;
Shigeru Takahashi, Hitachinaka, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
An impact tool () includes a motor (); a hammer () having a rotational axis extending in a first direction, the hammer () being rotatable in a rotational direction including a forward direction and a reverse direction opposite to the forward direction by the motor () and being movable in the first direction and a second direction opposite to the first direction; an anvil () disposed at the first direction side of the hammer () and strikable by the hammer () in the forward direction, the hammer () that has been struck the anvil () being moved in the second direction to come free from the anvil (); and a fixing member (A,A) that selectively allows the hammer () to move in the second direction or prevents the hammer () from moving in the second direction.