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:
Sep. 21, 1993
Filed:
Feb. 04, 1993
Applicant:
Inventors:
Irvin Bornstein, Tallahassee, FL (US);
Thomas B Middlebrooks, Tallahassee, FL (US);
Scott M Eddy, Tallahassee, FL (US);
Charles E Benedict, Tallahassee, FL (US);
Assignee:
Bornstein Motor Company, Inc., Tallahassee, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01L / ;
U.S. Cl.
CPC ...
123 9026 ; 123 9065 ;
Abstract
A spring assembly for positively urging inlet and exhaust valves of a internal combustion engine into both open and closed positioned wherein the spring assembly includes an engaging member which is biased alternatively in both directions relative to the elongated axis of the stem of each valve by a spring member which is oriented generally perpendicular with respect to the valve stem and which engaging member is engagable within a groove or detent formed in the valve stem.