Patents Assigned to Robin Industries, Inc.
  • Patent number: 6834879
    Abstract: A damped drawbar for use in towing a drawn trailer that provides for the attenuation of noise, shock, and vibration that may be conducted into the towing vehicle. The newly designed drawbar uses a resilient elastomer, operating in shear, sandwiched between an outer steel tube and an inner steel tube, to reduce noise by damping the undesirable vibrations. A cushioned hitch pin coacting with the ovate holes in the inner tube, reduces the noise from a jolt caused by the hitch pin over-travel, during acceleration or deceleration, by as much as 95 percent. The hitch pin coacting with the ovate holes in the inner tube, serves as a mechanical fail-safe should the towed member be grossly beyond the drawbar's rated load capacity.
    Type: Grant
    Filed: September 12, 2002
    Date of Patent: December 28, 2004
    Assignee: Robin Industries, Inc.
    Inventor: Leonard A. Lorman
  • Patent number: D557114
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: December 11, 2007
    Assignee: Robin Industries, Inc.
    Inventor: Leonard A. Lorman