Patents by Inventor Rudolf Gruber

Rudolf Gruber 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).

  • Apparatus for regulating the lapping pressure during lapping of two bevel gears in a lapping machine
    Patent number: 3994098
    Abstract: An apparatus for regulating the lapping pressure during the lapping of two bevel gears at a lapping machine comprising a device for driving one of the bevel gears and for braking the other bevel gear. A control mechanism for adjusting the desired lapping pressure. A differential pressure transmitter is operatively connected with the control mechanism, said differential pressure transmitter serving to measure the liquid-pressure differential brought about by the bearing load in a hydrostatic bearing of one bevel gear in order to regulate the lapping pressure as a function of the bearing load at the aforesaid drive- and braking device.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: November 30, 1976
    Assignee: Werkzeugmaschinenfabrik Oerlikon-Buhrle AG
    Inventors: Erhard Konersmann, Rudolf Gruber