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:
Nov. 10, 1998
Filed:
May. 12, 1997
Applicant:
Inventors:
Takao Naruoka, Mishima, JP;
Takehisa Yaegashi, Mishima, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Aichi-ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L / ; F01L / ;
U.S. Cl.
CPC ...
123 9018 ; 123 9048 ; 123 9039 ;
Abstract
A valve driving apparatus includes a cam, a force transfer member transferring force of the cam to a valve, and a shim interposed between the cam and the force transfer member and movable on the force transfer member. The shim has a first portion, a part of which first portion is always in contact with the force transfer member while the shim is being moved on the force transfer member in accordance with a motion of the cam.