For purposes of this chapter, "recreational vehicles" means motor home, travel trailer, truck and camper or camping trailer, with or without motive power, designed for human habitation for recreational occupancy. It does not include pickup hoods, shells, or canopies designed, created or modified for occupational usage. School buses or oversized van type vehicles which are converted to recreational use are defined as recreational vehicles. (Ord. 2340 § 4, 1990)