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.

Date of Patent:
Jan. 06, 1998

Filed:

Aug. 09, 1996
Applicant:
Inventors:

Koji Tsuchida, Wako, JP;

Chikara Tanaka, Wako, JP;

Jiro Takagi, Wako, JP;

Hirokazu Ohsaki, Wako, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ; F01L / ; F01M / ; F01M / ;
U.S. Cl.
CPC ...
123 9016 ; 123 9027 ; 123 9033 ; 123 9034 ; 123 9036 ; 123 906 ; 1231935 ; 1231 / ;
Abstract

In an engine including a variable timing/lift mechanism for an intake valve, journal portions of a valve-operating cam shaft are supported on cam bearing portions integrally provided in a cylinder head, and an intake rocker shaft is fixed by bolts to rocker shaft fixing portions provided on an upper surface of the cam bearing portions. By bringing opposite sides of intake rocker arms swingably supported on the intake rocker shaft into slidable abutment against positioning faces integrally formed on opposite sides of the cam bearing portions, the intake rocker arms are positioned in a thrust direction. Thus, it is possible to accurately and easily position the intake rocker arms in the thrust direction without the need for a special member.


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