Patents by Inventor Ram N. Aggarwal

Ram N. Aggarwal 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).

  • Industrial robot having counterbalanced arms
    Patent number: 4768918
    Abstract: An industrial robot is disclosed which includes three primary drive units defining three separately controlled axes of movements, an inner arm connected to the output of one of the drive units, and an outer arm pivotally connected to the inner arm. The outer arm is connected to another of the drive units by a transmission which extends through the inner arm so that the outer arm may be selectively rotated, and both the inner arm and the outer arm are counterbalanced by a pair of torsion coil springs which are operatively connected to their respective drive units.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: September 6, 1988
    Assignee: American Cimflex Corporation
    Inventors: Robert H. Gorman, Ram N. Aggarwal