Patents by Inventor John D. Fitzpatrick

John D. Fitzpatrick 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).

  • Patent number: 4093273
    Abstract: An independently sprung front wheel assembly including a frame, a steering knuckle and associated wheel, a control arm pivotally connected at its inner ends via a shaft and surrounding clamp members to the frame and its outer end to the steering knuckle, a coil spring mounted between the control arm and the frame, and an elastomeric bushing mounted around the shaft within each clamp and having vertically oriented sides of reduced effective thickness for providing a low horizontal rate and high vertical rate for increased horizontal movement and minimal vertical movement of the wheel and control arm relative to the frame during road impact conditions to substantially isolate the frame from such impacts.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: June 6, 1978
    Assignee: General Motors Corporation
    Inventors: John D. Fitzpatrick, Gary L. Smith