Patent ID: 6934149

Claim:
A modular audio-visual device for traffic means comprising: a first supporting element with a first surface, a second surface and a plurality of open grooves, the first surface connected to a traffic means, a plurality of locating tubes extended downward from the second surface, the plurality of open grooves across through the first and the second surface; an audio-visual device sustaining element with a first surface, a second surface, a space for receiving audio-visual device, and a plurality of through holes corresponding to the plurality of locating tubes, the plurality of through holes across through the first surface and the second surface, the plurality of locating tubes of the first supporting element penetrating through the plurality of through holes, the space being under the second surface, the first surface connected with the second surface of the supporting element; a display device sustaining element with a first surface and a second surface, a space for receiving display device, and a plurality of through holes corresponding to the plurality of through holes of the audio-visual device sustaining element, the plurality of through holes across through the first and the second surface, the first surface connected with the plurality of locating tubes of the first supporting element, the space being under the second surface for receiving the display device; and a plurality of sets of fixing elements including a first set of fixing elements and a second set of fixing elements, the first set of fixing elements penetrated the plurality of open grooves of the first supporting element and joined to the traffic means, the second set of fixing elements penetrated the plurality of through holes of the display device sustaining element and joined with the plurality of locating tubes.