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:
Dec. 17, 2013
Filed:
Jul. 22, 2011
Daisuke Suzuki, Morioka, JP;
Daisuke Suzuki, Morioka, JP;
Zama Japan Kabushiki Kaisha, Iwate, JP;
Abstract
A carburetor including a columnar throttle valve, a fuel nozzle, a metering needle inserted into the fuel nozzle and a cam mechanism caused to rotate in accordance with the throttle operation, whereby the throttle valve is moved by the cam mechanism in the direction of the valve stem while rotating to adjust the air flow rate and the fuel flow rate. The cam mechanism has a cam groove provided with a cam surface so as to gradually deepen in the direction of rotation in a designated range on the external peripheral side of the bottom surface of the throttle valve, and a support pin for supporting the throttle valve from the bottom surface, wherein the support pin being disposed between the cam surface and the bottom surface of the columnar throttle valve chamber rotatably provided with the throttle valve.