Patents by Inventor Richard F. Caris

Richard F. Caris 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).

  • Patent number: 4423793
    Abstract: A load cell of integral unitary construction wherein strain gages are mounted on the peripheral surface of a solid disc-shaped measuring body and are responsive to shear strain induced in the solid measuring body by an applied load. The load receiving and load cell supporting ends are incorporated into the integral unitary structure.
    Type: Grant
    Filed: October 23, 1981
    Date of Patent: January 3, 1984
    Assignee: Interface, Inc.
    Inventor: Richard F. Caris
  • Patent number: 4420054
    Abstract: Weighing apparatus utilizing a load cell wherein overload protection is provided that is external to the load cell. The weighing platform is attached to the load receiving surface of the load cell by a number of outwardly extending arms. Two sets of stops are provided adjacent the load cell and one set is provided at the periphery of the weighing platform.
    Type: Grant
    Filed: October 23, 1981
    Date of Patent: December 13, 1983
    Assignee: Interface, Inc.
    Inventor: Richard F. Caris
  • Patent number: 4278139
    Abstract: A strain gage load cell scale is provided with overload protection that is external to the load cell and which compensates for off-center loading of the weighing platform. The weighing platform is attached to the load receiving surface of the load cell by a number of outwardly extending arms. Two sets of stops are provided under the weighing platform with different spacing therefrom to provide the external overload protection.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: July 14, 1981
    Assignee: Interface, Inc.
    Inventor: Richard F. Caris