Patents Assigned to Gunter Otto
  • Patent number: 4846285
    Abstract: An air wrench, with a compressed air motor, a wrench head and a gearing for transferring the power of the motor to the head, as well as a control mechanism, which comprises at least one adjustable pressure reducer for limiting the torque and which permits the wrench to be switched on and off manually by opening and closing a main air valve in the compressed air line to the motor of the wrench.
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: July 11, 1989
    Assignees: Gunter Otto, Johannes Lubbering, Christian Reckendrees
    Inventor: Gunter Otto