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:
May. 22, 2001
Filed:
Jul. 23, 1999
Reinhard Gerhardy, Korb, DE;
Andreas Stihl AG & Co., , DE;
Abstract
A carburetor for an internal combustion engine of a hand-held working tool has a housing having an intake channel and a fuel-filled control chamber mounted in the housing. A fuel channel is connected to the control chamber and the intake channel. A control valve is mounted in the fuel channel and has a valve member. A control screw is mounted in the carburetor housing and acts on the valve member for adjusting it. A cap is fixedly mounted on the control screw and has a stop. A counter stop is mounted on the housing in a rotational path of the stop of the cap. A locking device for securing the cap relative to the housing is provided. The locking device has a locking member and counter locking members cooperating with the locking member for locking the cap in one of various preset positions relative to the housing.