Patent ID: 8136281

Claim:
A trailer vehicle for transporting and displaying signs including highway message board signs, comprising: a wheel-mounted trailer with a normally horizontal frame; tow bar tongue means having a front portion with a coupler hitch for connecting to a towing vehicle and having a rear end portion; pivot means connecting said rear end portion of the tongue means to a front of the frame, said pivot means allowing pivoting of the tongue means relative to the frame between a first position in which the tongue means is connected to the towing vehicle, and a second, raised position generally perpendicular to the first position when the trailer vehicle is stationary; means for temporarily securing the tongue means relative to the frame in the first and second positions; a message board carried by said frame in vertical, fore-and-aft orientation; and locating means mounted on a front portion of the tow bar tongue means for engaging a front end portion of the message board when the trailer vehicle is stationary and when the tongue means is in said second position.