Abstract: A light supporting frame and a carriage therefor mounted for vertical movements on a hollow tower having an upwardly tapering hollow base which contains a power operated winding drum on which is wound a pair of frame and carriage supporting cables. A transverse support arm extends in opposite directions from the top of the tower. Cooperating latch and strike elements releasably lock the light supporting frame to the transverse support arm, and latch releasing devices are carried by the frame and carriage. Tower engaging stabilizers on the frame and carriage hold the same against lateral movement relative to the tower. The winding drum is provided with an automatic brake to stop rotation of the winding drum when power is cut off therefrom.

Abstract: A bus is provided which may be driven over highways and freeways in the usual manner. The bus is equipped with elongated wheel housings which are pivoted to opposite side walls to swing from a horizontal position to a vertical position. When in horizontal position the sides of the elongated wheel housing form decks extending along opposite sides of the bus, the low hung hull forming the bottom of the bus supporting the bus in the water. When the wheel housings are swung into vertical position, the wheels carried thereby extending vertically to support the amphibious bus on land.