Patents by Inventor Charles E. Lindsey

Charles E. Lindsey 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 positioning a gear blank
    Patent number: 5292212
    Abstract: An apparatus for positioning a gear blank on a workpiece spindle of a gear generating machine. An indicating element orientates cutter blades of a milling cutter of a gear generating machine relative to a gear blank and rough cut teeth of the gear blank.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: March 8, 1994
    Assignee: Caterpillar Inc.
    Inventors: Lowes J. Taylor, Joseph R. Pesha, Charles E. Lindsey, David B. Swigart
  • Tip-relieved spiral bevel gear and method
    Patent number: 5133627
    Abstract: Prior art non-generated, tip-relieved spiral bevel gears had tip-relieved surfaces that were nonuniform from the toe to the heel thereof. The subject tip-relieved spiral bevel gear is adapted to be manufactured by a gear generating machine, and includes a plurality of modified gear teeth individually having a convex tooth face and a relatively uniform tip-relieved surface on the convex tooth face from the toe to the heel portion thereof essentially parallel to the face angle at the outer tip surface. A two-pass method of machining the modified gear teeth is described.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: July 28, 1992
    Assignee: Caterpillar Inc.
    Inventor: Charles E. Lindsey
  • Tip-relieved spiral bevel gear
    Patent number: 5058449
    Abstract: Prior art non-generated, tip-relieved spiral bevel gears had tip-relieved surfaces that were nonuniform from the toe to the heel thereof. The subject tip-relieved spiral bevel gear is adapted to be manufactured by a gear generating machine, and includes a plurality of modified gear teeth individually having a convex tooth face and a relatively uniform tip-relieved surface on the convex tooth face from the toe to the heel portion thereof substantially parallel to the face angle at the outer tip surface. A two-pass method of machining the modified gear teeth is described.
    Type: Grant
    Filed: August 31, 1990
    Date of Patent: October 22, 1991
    Assignee: Caterpillar Inc.
    Inventor: Charles E. Lindsey