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:
Jan. 10, 1989
Filed:
Jun. 24, 1987
Applicant:
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9043 ; 123 9044 ;
Abstract
An adjustment mechanism for a ceramic rocker arm. The ceramic rocker arm is formed with a smooth bored opening through the adjustment end of the rocker arm. An externally threaded adjusting shaft is passed through the opening and an internally threaded locking member such as a locking nut is disposed on the shaft and engaged on the external threads. An internally threaded member is disposed to engage the external threads of the shaft and also engage the adjustment end of the rocker arm.