Patents by Inventor Harold H. Bartlett, Jr.

Harold H. Bartlett, Jr. 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).

  • Dynamometer test stand
    Patent number: 4062234
    Abstract: A test stand for vehicles having opposed motive drive outputs including a stand for supporting the vehicle to be tested in a predetermined position with its motive drive outputs free from engagement with surrounding structure, a pair of dynamometers, one on each side of the stand, a pair of releasable couplings, one drivingly associated with each of the dynamometers, and adapted to be engaged with a corresponding one of the motive drive outputs of a vehicle on the supporting stand and a movable mount for at least the releasable couplings so that they may be moved toward and away from each other and the supporting stand. Also disclosed is an improved dynamometer construction, an improved self-aligning coupling and an improved method of testing a mobile mechanical power source such as a vehicle.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: December 13, 1977
    Assignee: Caterpillar Tractor Co.
    Inventors: Harold H. Bartlett, Jr., Charles H. Herr, Jr., Lionel L. Kinney, Ivan R. Lamport, Clarence A. Welch