Patents by Inventor Fred S. Tsuchiya

Fred S. Tsuchiya 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).

  • Railway car side frame test machine
    Patent number: 4305300
    Abstract: A railroad side frame test machine for loading side frames used on the trucks or carriages for railway cars to simulate the in-use loads utilizing a compact linkage that provides for direct loading of the specimen in the various load directions. The forces are applied to the specimen to insure that certain reactions are grounded, while other applied forces are basically ungrounded to effectively eliminate "cross talk" between the various input loads or forces.
    Type: Grant
    Filed: April 28, 1980
    Date of Patent: December 15, 1981
    Assignee: MTS Systems Corporation
    Inventors: Paul S. Petersen, Fred S. Tsuchiya