Patents by Inventor Donald S. Blaisdell

Donald S. Blaisdell 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).

  • Floating steering axle
    Patent number: 4046218
    Abstract: A steering axle for a vehicle, such as a lift truck, has a frame for supporting the king pins and steering knuckles for mounting the steering wheels to the vehicle. A power steering actuator, such as a hydraulic cylinder, has a rod connected to said knuckles for turning the wheels upon demand. The cylinder is carried by the frame in a manner to permit the cylinder to move in response to changes in loading on the vehicle frame through the ability of the cylinder to translate vertically in response to said loading.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: September 6, 1977
    Assignee: Towmotor Corporation
    Inventors: Donald S. Blaisdell, Llewellyn L. Walter