Patents by Inventor Charles F. Sayre

Charles F. Sayre 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: 4623162
    Abstract: An improved vehicle suspension system for use on axles of trailers, trucks, and the like. A pair of wheels are individually rotatably mounted on stub axles attached to a pair of trailing arms which are connected to and extend radially rearwardly from a pair of pivot sleeves. The sleeves are pivotally mounted on brackets connected to the vehicle frame. A pair of spaced levers are attached to and extend radially outwardly from each of the pivot sleeves and rotate in unison with the trailing arms. An annular elastomer spring is located between a pair of metal end plates which are pivotally mounted on and located between the spaced levers. One of the end plates is connected to the lever by a hollow shaft and another shaft is connected to the other end plate and extends through the elastomer spring and into the hollow shaft to maintain the spring in axial alignment.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: November 18, 1986
    Assignee: The Firestone Tire & Rubber Company
    Inventors: David A. Weitzenhof, Charles F. Sayre