Patent ID: 7097163

Claim:
A device for controlling a choke valve of a carburetor annexed to an engine, comprising choke closed state hold means for holding, in a closing position corresponding to the completely closed position of the choke valve, a choke lever connected to the choke valve and urged by a spring in a direction for opening the choke valve, when the choke lever is turned to the closing position, the choke closed state hold means releasing the choke lever from the held state by a throttle operation of the carburetor after a start of the engine, wherein the choke closed state hold means includes a lock arm provided continuously with a throttle lever connected to a throttle valve of the carburetor, and a locked arm provided continuously with the choke lever, the lock arm and the locked arm elastically surmounting each other when the choke lever is turned to the closing position in a state where the throttle lever is in the opening position corresponding to a full open position of the throttle valve, so that the lock arm prevents the locked arm from turning back; a governor spring which urges the throttle lever in a direction for opening the throttle valve and a governor which produces an output for urging the throttle lever in a direction for closing the throttle valve according to an increase in the rotational speed of the engine are connected to the throttle lever; and the lock arm releases the locked arm by turning of the throttle lever in the direction for closing the throttle lever by the output from the governor.