Abstract: The invention relates to a distributor for ground coffee dispensers comprising a swinging trapdoor for the temporary retention of the dispensed amount of ground coffee inside an outlet duct, an actuator element associated with the rotating shaft of the swinging trapdoor and able to rotate between two angular end positions, and a motor conveying to said actuator element a rotating movement with a determined amplitude by means of a wheel and a belt; and wherein said actuator element has a configuration in the form of a circular sector the rotating shaft of which is located in correspondence with a point of the bisector close to the angle or vertex of said circular sector; the curved profile of the actuator element forming a support surface for supporting the belt for conveying the rotating movement of the motor and the rotation of the actuator element towards one of the angular end positions being determined.