Patent ID: 6881139

Claim:
A device for opening or closing a pair of left and right air vents of a car comprising: an opening/closing knob rotatably and centrally provided between the left and right air vents, the air vents being arranged in parallel adjacent to each other on a crash pad of the car; a linking device for allowing dampers, provided in the left and right air vents, to be simultaneously opened or closed according to the rotation of the opening/closing knob, the linking device comprising: a rotating link fixed at one end thereof to the opening/closing knob so as to extend in a direction away from the opening/closing knob; a first link coupled at one end thereof to the other end of the rotating link by a pin, the first link having left and right branches diverging from the other end thereof; and two second links, an end of each second link coupled to one of the left and right branches of the first link by pins, and the other end of each of the second links coupled to adjacent side portions of the dampers provided inside the left and right air vents.