Collapsible pedal for motor vehicles

Description of a disengagement system for the pedal of a motor vehicle (1) adapted to act, by means of a control means, on a control device of the motor vehicle, an end of the body (10) of the pedal being engaged, by means of a pin, to an arm (6), which in turn is articulated to a fixed part of the motor vehicle, by means of an axis of rotation. The arm is provided with means (17, 18, 20, 22) adapted to make itself rotatably integral with the body (10) of the pedal in a predefined angular position, both parts being disengageable.