Device for intermittent vibration of a steering wheel or directional control of a recreational video-game machine

Реферат: It incorporates a unit for generating a vibratory movement formed by an electric motor 15 connected, via a flexible transmission 17, to a cam mounted on a support 21, all the aforesaid being arranged on a chassis connected to a platform 1 which has linked to it a support 10 of the shaft of the steering wheel or of the control, said platform 1 being mounted so as to oscillate with respect to a fixed plate 2, with insertion, between said platform 1 and the aforesaid plate 2, of springs 3 guided on cores 4 integral with the platform 1.