Patents Examined by Andrea Willington
  • Tool holder fixing structure
    Patent number: 8702358
    Abstract: A tool holder fixing structure is arranged to fix a tool holder for holding a tool attached with a throwaway tip to a tool-holder holding part of a machine tool so that a foreign-matter receiving clearance is provided between the tool holder and the tool-holder holding part. The foreign-matter receiving clearance is defined in a range of +30° to ?30° from a cutting-edge position of the throwaway tip assumed as an original point and in a range of 150° to 210° from the original point, respectively.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: April 22, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Koji Yamada, Toshitaka Kamikubo, Kiyotaka Shiga, Yoshihito Yamaguchi