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:
Feb. 23, 1988
Filed:
Apr. 24, 1986
Applicant:
Inventors:
Hirofumi Nishimura, Hiroshima, JP;
Yasuyuki Morita, Hiroshima, JP;
Assignee:
Mazda Motor Corporation, Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9016 ; 123 9039 ;
Abstract
A variable valve mechanism for an engine including a first rocker arm engaged at one end with the valve tappet and at the other end with a low speed profile cam, and a second rocker arm engaged with a high speed profile cam. A locking device is provided on the second rocker arm to releasably lock the second rocker arm on the first rocker arm under a high speed engine operation.