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. 09, 1984
Filed:
May. 28, 1982
Applicant:
Inventors:
Katsuyasu Oono, Toyota, JP;
Gozo Kaji, Aichi, JP;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9052 ; 123 9048 ; 123 9056 ; 123 9057 ; 2915 / ;
Abstract
The present invention proposes a hydraulic valve lifter used in an internal combustion engine. The valve lifter has a body consisting of a hollow cylindrical portion accommodating a cylindrical plunger and a lower end portion engaging with a cam controlling the valve motion. The two portions are joined together by welding. The bottom of the plunger is cut out annularly for preventing interference between the plunger and flash, which flash is caused by welding and remains in the inner recess of the lifter body.