Patents by Inventor Darrel B. Davis

Darrel B. Davis 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).

  • Self aligning coupling apparatus
    Patent number: 5009446
    Abstract: A self aligning coupling apparatus for mounting on a towing vehicle or a towed vehicle. Included is an extensible coupler mounted on gimbal axles adapted to tilt up and down and sideways in rotary motion in making a connection to an unaligned vehicle. The coupler telescopes inwardly into a funnel shaped device to complete the alignment as the vehicles are moved closer together.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: April 23, 1991
    Inventor: Darrel B. Davis
  • Rotatable spare tire holding apparatus
    Patent number: 4971237
    Abstract: A spare tire holding apparatus has an arch-like frame and an attached bracket for supporting a tire and wheel thereon. The frame extremities are rotatably mounted on one end of a pair of couplings which in turn have the opposite ends connected to spaced extensions of the end of a body frame of an automotive vehicle.
    Type: Grant
    Filed: December 20, 1988
    Date of Patent: November 20, 1990
    Inventor: Darrel B. Davis
  • Self aligning coupling apparatus
    Patent number: 4893829
    Abstract: A self aligning coupling apparatus for mounting on a towing vehicle or a towed vehicle. Included is an extensible coupler mounted on gimbal axles adapted to tilt up and down and sideways in rotary motion in making a connection to an unaligned vehicle. The coupler telescopes inwardly into a funnel shaped device to complete the alignment as the vehicles are moved closer together.
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: January 16, 1990
    Inventor: Darrel B. Davis
  • Foldable tow bar
    Patent number: 4856805
    Abstract: A car towing apparatus which, in its extended locked position, is a rigid tow bar attached to the front end of a towable vehicle and which subsequently can be folded into a compact structure and stored in a visually and non-obstructing, secured position to facilitate the vehicle being driven legally and safely on the highway.
    Type: Grant
    Filed: June 22, 1987
    Date of Patent: August 15, 1989
    Inventor: Darrel B. Davis
  • Blade and frame assembly for power machines
    Patent number: 4306625
    Abstract: An improved blade and frame assembly have a pair of laterally rotating arms disposed between a blade and a U-shaped frame rotatably connected to a power machine. The blade and frame are activated for vertical movement. Also included is a power source pivotally connected between the blade and frame for shifting the blade laterally at an angle to the draft of the machine.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: December 22, 1981
    Inventor: Darrel B. Davis