Patent ID: 7073483

Claim:
An intake air quantity controlling device for an internal combustion engine, the device comprising: a body having an intake passage; a shaft rotatably provided across the intake passage; a throttle valve fixed to the shaft; a driven-side gear fixed to an end portion of the shaft; a drive motor that applies a rotational force to the driven-side gear; a full closure stopper that is provided in the body and determines a full closure position of the throttle valve; a full opening stopper that is provided in the body and determines a full opening position of the throttle valve; and a collision portion that is provided in the driven-side gear, and collides with the full closure stopper or the full opening stopper to stop rotation of the driven-side gear, wherein the collision portion has a notch portion, and a full-closure-side collision member and a full-opening-side collision member that are defined by the notch portion, the full-closure-side collision member being elastically deformed through collision with the full closure stopper, the full-opening-side collision member being elastically deformed through collision with the full opening stopper.