No person shall occupy any house trailer, motor home or camper for more than seventy-two hours. The storage of a camper, boat and boat trailers, mobile homes, house trailer, one (1) ton commercial trucks or motor home shall not be permitted in any front yard or the street side yard of a corner lot for more than seventy-two hours. Camper body attached to a pick-up truck, or other similar vehicle, shall not be construed as a motor home or mobile home.