Patents Examined by M. D. J. Bednarek
  • Rotary shaft of transmission
    Patent number: 4531420
    Abstract: A rotary shaft having a bearing surface and an oil seal surface formed close to each other at a portion of a shaft body rotatably mounted in a case of a transmission, wherein a groove is circumferentially formed on the periphery of the shaft body between the bearing surface and the oil seal surface before each of the surfaces is finished, so that the bearing surface and the oil seal surface can be finished so as to be suitable for their respective functions.
    Type: Grant
    Filed: December 29, 1982
    Date of Patent: July 30, 1985
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hajime Arai, Shozi Haga, Tadashi Nozaki