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:
Jul. 12, 1994
Filed:
Oct. 19, 1992
Kenneth W Dotson, Raleigh, NC (US);
Stewart Mac Harmon, Raleigh, NC (US);
Francis B Weeks, Apex, NC (US);
Chih-Kun J Shih, Cary, NC (US);
John L Johnson, Raleigh, NC (US);
Emco Wheaton, Inc., Cary, NC (US);
Abstract
A fuel dispensing nozzle is disclosed and includes a housing having a hollow main body portion and a handle portion with a hand-grip spaced from the main body portion, an elongate nozzle body mounted in the main body portion of the housing and having a fuel passageway extending longitudinally therethrough in a generally straight line devoid of any abrupt changes in direction, main valve means disposed in the fuel passageway for controlling the flow of fuel through the nozzle, manually operable valve actuating means, a spout for insertion into the fill opening of a vehicle fuel tank and having three integrally formed passageways therethrough comprising a fuel passageway, a vapor recovery passageway and a shut-off, venturi-vacuum passageway, a vapor recovery passageway through the main body and handle portions of the housing, a venturi-vacuum means for shutting off the flow of fuel through the nozzle when the vehicle fuel tank is full, attitude responsive means for preventing the opening of the main valve when the nozzle is not in the proper attitude for insertion of the spout into the fill opening of the vehicle fuel tank and attitude responsive valve means in the vapor recovery passageway in the housing for closing the vapor recovery passageway when the nozzle is not in position for insertion of the spout into the fill opening of the vehicle fuel tank. The housing and nozzle body are molded of a composite resin and the spout is extruded of a lightweight metal.