Recreational vehicles and travel trailers may be parked in a campground, trailer park, or public storage business. No such recreational vehicle or travel trailer shall be used for permanent or semi-permanent residential purposes. Nothing in this Chapter shall prohibit the use of tents, pickup campers, and other such equipment from also utilizing an approved campground or trailer park. Recreational vehicles and travel trailers may also be stored, on the basis of one (1) per family, in fully enclosed private garages, or as an accessory use in residential districts to the extent allowed by Section 400.240(B)(6), provided no such vehicle shall be used for residential purposes.