Patents by Inventor Ralph R. Atherton

Ralph R. Atherton 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).

  • Narrow base protective frame
    Patent number: 4049294
    Abstract: A narrow base protective frame to allow greater axial adjustment of the rear drive wheels on a tractor to vary the tread width of the wheels. The protective frame provides protection for the operator in event of rollover of the vehicle and has reinforcing structure between upright columns mounted on the rear drive axles.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: September 20, 1977
    Assignee: Allis-Chalmers Corporation
    Inventor: Ralph R. Atherton
  • Vehicle suspension and stabilizer system
    Patent number: 4043584
    Abstract: A vehicle suspension and stabilizer system supporting an operator station on a vehicle chassis through resilient supports and shock absorbers with pitch and roll restraining mechanisms and a stabilizer linkage limiting the operator station movement to essentially a vertical motion.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: August 23, 1977
    Assignee: Allis-Chalmers Corporation
    Inventors: Robert J. Wagner, Ralph R. Atherton
  • Energy absorbing joint for protective frame
    Patent number: 4032187
    Abstract: An energy absorbing joint for a protective frame wherein the energy absorbing joint is allowed to deform as the kinetic energy is absorbed thereby reducing the effect of the impact in the event of vehicle upset. The energy absorbing joint is formed in a connection between a strut which braces the upright columns from the vehicle chassis.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: June 28, 1977
    Assignee: Allis-Chalmers Corporation
    Inventor: Ralph R. Atherton