Patents by Inventor Herbert A. Grubel

Herbert A. Grubel 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).

  • Chamfer hob and method of use thereof
    Patent number: 6939093
    Abstract: A chamfer hob for and a method of providing a chamfered end and having an identical chamfer angle at both a front face and a back face of a gear including a shaft, a plurality of helical cutting vanes extending radially outwardly from the shaft, such that the radially outward surface of the cutting vanes defines a hob diameter, and a hob radius, a predetermined radial width of the desired chamfer and a depth of chamfer, such that the chamfering is done on both faces of the gear teeth ends resulting in a uniform chamfer around the periphery of the complete gear tooth.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: September 6, 2005
    Inventors: Joseph L. Arvin, Herbert A. Grubel
  • Chamfer hob and method of using same
    Publication number: 20040109735
    Abstract: A chamfer hob for and a method of providing a chamfered end and having an identical chamfer angle at both a front face and a back face of a gear including a shaft, a plurality of helical cutting vanes extending radially outwardly from the shaft, such that the radially outward surface of the cutting vanes defines a hob diameter, and a hob radius, a predetermined radial width of the desired chamfer and a depth of chamfer, such that the chamfering is done on both faces of the gear teeth ends resulting in a uniform chamfer around the periphery of the complete gear tooth.
    Type: Application
    Filed: December 5, 2002
    Publication date: June 10, 2004
    Inventors: Joseph L. Arvin, Herbert A. Grubel