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. 14, 2005
Filed:
Dec. 04, 2003
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 comprising a hook holding portionwhich is provided in a housingand has engaging teethprovided in a housingand also comprising a hookhaving shaft portionwhich is inserted into the hook holding portionand provided with fitting teethmeshing with the engaging teeth, an elastic bodyadapted to push the hookagainst a handle portion at all times, and a slip-off preventing part holding portion adapted to move the hookin a direction of an axis thereof against a force of the elastic bodyand to cancel the mesh between the teeth to thereby enable the hookto turn.