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:
Feb. 17, 2009
Filed:
Nov. 22, 2006
Masato Sakai, Ibaraki, JP;
Takeshi Matsuoka, Ibaraki, JP;
Chikai Yoshimizu, Ibaraki, JP;
Masanori Watanabe, Ibaraki, JP;
Katsuhiro Oomori, Ibaraki, JP;
Takuya Teranishi, Ibaraki, JP;
Masato Sakai, Ibaraki, JP;
Takeshi Matsuoka, Ibaraki, JP;
Chikai Yoshimizu, Ibaraki, JP;
Masanori Watanabe, Ibaraki, JP;
Katsuhiro Oomori, Ibaraki, JP;
Takuya Teranishi, Ibaraki, JP;
Hitachi koki Co., Ltd., Tokyo, JP;
Abstract
A power tool includes a hook portion having a hook holding portion, which is provided in a housing and has engaging teeth provided in the housing. A hook having a shaft portion is inserted into the hook holding portion and provided with fitting teeth meshing with the engaging teeth An elastic body is adapted to push the hook against a handle portion at all times, and a slip-off preventing part holding portion is adapted to move the hook in a direction of an axis thereof against a force of the elastic body and to cancel the mesh between the teeth to thereby enable the hook to turn.