Patents by Inventor John W. Barth

John W. Barth 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).

  • Chassis suspension system for an articulated vehicle
    Patent number: 4146109
    Abstract: A vehicle steering and chassis oscillation system with a steering mechanism for steering the vehicle through articulation and a chassis oscillation mechanism for controlling the transverse oscillation of the chassis through pivoting of a link in the articulating mechanism of the vehicle. The oscillation control of the chassis is accomplished through pivoting of a connecting link between the axle and the chassis to tilt the axis of articulation as the connecting link is pivoted. The oscillation of the articulating axis is generated by the suspension system for the vehicle.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: March 27, 1979
    Assignee: Allis-Chalmers Corporation
    Inventor: John W. Barth
  • Chassis oscillation control on an articulated vehicle
    Patent number: 4135597
    Abstract: A vehicle steering and chassis oscillation system with a steering mechanism for steering the vehicle through articulation and a chassis oscillation mechanism for controlling the transverse oscillation of the chassis through pivoting of a link in the articulating mechanism of the vehicle. The oscillation control of the chassis is accomplished through pivoting of a connecting link between the axle and the chassis to tilt the axis of articulation as the connecting link is pivoted. The oscillation of the chassis through oscillation of the articulating axis provides for a means of leveling the vehicle chassis when the terrain carrying the vehicle is on an incline.
    Type: Grant
    Filed: December 29, 1977
    Date of Patent: January 23, 1979
    Assignee: Allis-Chalmers Corporation
    Inventor: John W. Barth
  • Parking brake release for transmission clutch
    Patent number: 4049096
    Abstract: A vehicle control system including a hydraulically actuated transmission with transmission control means and a vehicle brake for braking the vehicle with interconnecting means for neutralizing power transmission through the transmission when the parking brake is actuated.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: September 20, 1977
    Assignee: Allis-Chalmers Corporation
    Inventor: John W. Barth
  • Mechanism for loader bucket or forklift mast on a material handling vehicle
    Patent number: 3966070
    Abstract: A mechanism on a material handling vehicle having means for interchangeably connecting an attachment to operate as a front end loader or a forklift with an extendable mast for loading and handling of material. The mechanism includes a quadrilateral linkage having means in the linkages adapting the linkage for attaching a front end loader bucket or the mast of a forklift.
    Type: Grant
    Filed: October 7, 1974
    Date of Patent: June 29, 1976
    Assignee: Allis-Chalmers Corporation
    Inventor: John W. Barth
  • Parking brake release for transmission clutch
    Patent number: 3957143
    Abstract: A vehicle control system including a hydraulically actuated transmission with a transmission control and a vehicle brake for braking the vehicle with a cutoff valve interconnected to the brake for interrupting power transmission through the transmission when the parking brake is actuated.
    Type: Grant
    Filed: December 19, 1974
    Date of Patent: May 18, 1976
    Assignee: Allis-Chalmers Corporation
    Inventor: John W. Barth