Harvester Knife Patents (Class 451/235)
  • Method of producing member having face-geared surface
    Patent number: 7426777
    Abstract: A method of producing a member with a face-geared surface. An example of the method includes an initial process preparing a work piece and a hob, and a geared surface forming process forming a geared surface on a part of the area. In addition, at least one of the hob and the work piece is retracted in the radial direction of the hob. Further, the geared surface forming process and the retracting process are repeated to produce a full face-geared surface on the work piece.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: September 23, 2008
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Eiri Nagata, Hidehiro Yoshino, Fumihiro Oshima