US Patent 9714060 Modular trailer apparatus

A modular trailer apparatus, which in some embodiments may include a bed coupled to a frame having a length and width. A first transportation conveyance for contacting a ground surface and a second transportation conveyance for contacting a ground surface may be coupled to opposing sides of the frame. The apparatus may further include a towing arm comprising a bed element movably coupled to a tow element. The bed element may be coupled to the frame and the tow element may be coupled to a trailer coupler configured to be secured to ball hitches or any other tow hitch. In further embodiments, the tow element may be movably coupled to the bed element between an extended position and a retracted position.