Patents by Inventor Melvin B. Swanner

Melvin B. Swanner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Lever-operated pivoting-bed trailer
    Patent number: 5564883
    Abstract: The forward portion of a cargo trailer bed is pivotally supported within a U-shaped frame; the rearward portion of the bed is supported by a lift bar pivotally attached to a rear of the frame, the lift bar acting as a lever to lower the rear end of the bed to ground level and to raise the bed to a loaded position for towing.
    Type: Grant
    Filed: September 9, 1994
    Date of Patent: October 15, 1996
    Inventor: Melvin B. Swanner
  • Heavy duty easy loading trailer
    Patent number: 5092623
    Abstract: A trailer is provided having a frame (2) upon which a bed (3) slides. The frame (2) has a wheel and axle assembly (1) and (5) disposed thereon which is connected thereto by a spring hanger assembly (6). The spring hanger assembly (6) is comprised of a spring and axle assembly (17). A tongue and coupling (7) is provided for connecting one end of the bed (3) to a vehicle. The bed (3) slides relative to the frame (2) when the wheels (5) are locked and the tongue assembly (7) pushed rearward. The bed (9) tilts when the rearmost portion moves the center of gravity away from the wheels (5). The end of the bed (3) will contact the ground, allowing loading on the surface thereof.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: March 3, 1992
    Inventor: Melvin B. Swanner