Patents by Inventor Al Wingate

Al Wingate 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).

  • Laterally damped panhard rod cab suspension
    Patent number: 6758294
    Abstract: A suspension for a cab of an over the highway truck or tractor. The suspension includes a pair of spaced apart springs and a pair of spaced apart motion dampers interposed between and connected to the cab and a frame of the truck or tractor. A third spring is mounted to one of the frame or the cab. A panhard rod has a first end connected to the third spring. A second end of the panhard rod is connected to one of the frame or cab that does not mount the third spring. The third spring biases the cab to a centered position relative to the frame.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: July 6, 2004
    Assignee: Volvo Trucks North America, Inc.
    Inventors: Jeff Peddycord, Al Wingate
  • Laterally damped panhard rod cab suspension
    Publication number: 20030226700
    Abstract: A suspension for a cab of an over the highway truck or tractor. The suspension includes a pair of spaced apart springs and a pair of spaced apart motion dampers interposed between and connected to the cab and a frame of the truck or tractor. A third spring is mounted to one of the frame or the cab. A panhard rod has a first end connected to the third spring. A second end of the panhard rod is connected to one of the frame or cab that does not mount the third spring. The third spring biases the cab to a centered position relative to the frame.
    Type: Application
    Filed: June 10, 2002
    Publication date: December 11, 2003
    Applicant: Volvo Trucks North America, Inc.
    Inventors: Jeff Peddycord, Al Wingate