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:
Oct. 25, 2011
Filed:
Jan. 18, 2007
Atsunori Kumagai, Sunto-gun, JP;
Tetsushi Suzuki, Mishima, JP;
Takanori Sasaki, Susono, JP;
Shoichi Tateyama, Numazu, JP;
Atsunori Kumagai, Sunto-gun, JP;
Tetsushi Suzuki, Mishima, JP;
Takanori Sasaki, Susono, JP;
Shoichi Tateyama, Numazu, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A cylinder head of an internal combustion engine is fitted with rocker arms. Camshafts are disposed so that the rocker arms and cams will be brought into contact with each other. The camshafts are rotatably supported by lower bearings, which supports the camshafts from below, and by upper bearings integrated with a head cover. The head cover is provided with visual observation windows that make it possible to see valve system parts through the head cover. A visual observation window covers for covering the visual observation windows are fixed to the head cover.