§ 73.09 TRAILERS AND TOWED VEHICLES.
   No trailer shall be operated on the streets of this village while attached to a self-propelled motor vehicle or to a leading trailer or semi-trailer, unless in addition to the regular coupling device it shall have suitable and adequate safety chains or devices attached to the corners of the trailer frame of sufficient strength to pull the trailer and its maximum load; provided, that any trailer having a gross weight of 3,000 pounds or less, including the weight of the trailer and maximum load, may be coupled to the towing vehicle by means of clamp-on hitches which hitches shall be designed and installed to effectively transfer stresses to the chassis of the towing vehicle. The clamps and coupling bar shall be of sufficient strength to hold and control the trailer when fully loaded. The trailers shall be equipped with two safety chains or cables which are permanently affixed to the tongue of the trailer. When the trailer is attached to the towing vehicle, the free end of the chain or cable shall be attached to the towing vehicle. Any such trailer complying with this provision meets the safety requirements of this section.
(`70 Code, § 13-221) Penalty, see § 70.999