Patents Assigned to Sanyo Kiko Kabushiki Kaisha
  • Fastener tightening method
    Patent number: 5152046
    Abstract: There is disclosed a constant-speed, fastener tightening method using a nut runner for setting the final tightened state of the fastener in terms of tightening torque, characterized in that the fastener is tightened by maintaining the rotative speed of the nut runner at a constant speed regardless of variations in tightening loads.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: October 6, 1992
    Assignee: Sanyo Kiko Kabushiki Kaisha
    Inventor: Tetsuo Abe