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. 13, 2011
Filed:
Jul. 15, 2008
Saburo Hasegawa, Aichi, JP;
Kimihiko Asao, Aichi, JP;
Koji Makino, Aichi, JP;
Takashi Kato, Aichi, JP;
Hideo Negishi, Hino, JP;
Saburo Hasegawa, Aichi, JP;
Kimihiko Asao, Aichi, JP;
Koji Makino, Aichi, JP;
Takashi Kato, Aichi, JP;
Hideo Negishi, Hino, JP;
Meidoh Co., Ltd., Aichi, JP;
Hino Motors, Ltd., Tokyo, JP;
Abstract
The object of the present invention is to provide a bolt, the axial force of which can be measured by a supersonic wave, or the like, with high accuracy and which can be manufactured in a shortened process. A bolthaving an angular polygonal shaped bolt headis provided in the present invention. A recessis formed on the bolt headand a projectionhaving a plane upper faceis formed on the inner side of the recess, and at the end of the bolt shaft, a plane end faceis formed, and a wall, the outside of which being a C-face part is formed around the plane end face