Patents Assigned to Sandvik Mining and Construction Australia Pty Limited
  • Apparatus and method for reducing required torque
    Patent number: 7743850
    Abstract: A method of reducing the torque required to provide relative rotation of two connected members includes providing impacts at or adjacent the connection between the two members at a rate of at least two impacts per second. An apparatus for reducing the torque required to provide relative rotation of two connected members includes an impact member adapted to provide an impact to at least one of the connected members, a driver for driving the impact member, wherein the driver is operable to cause the impact member to automatically and repeatedly impact upon the at least one member.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: June 29, 2010
    Assignee: Sandvik Mining and Construction Australia PTY Limited
    Inventor: Keith Littlely
  • Apparatus and method for reducing required torque
    Patent number: 7322430
    Abstract: A method of reducing the torque required to provide relative rotation of two connected members includes providing impacts at or adjacent the connection between the two members at a rate of at least two impacts per second. An apparatus for reducing the torque required to provide relative rotation of two connected members includes an impact member adapted to provide an impact to at least one of the connected members, a driver for driving the impact member, wherein the driver is operable to cause the impact member to automatically and repeatedly impact upon the at least one member.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: January 29, 2008
    Assignee: Sandvik Mining and Construction Australia Pty Limited
    Inventor: Keith Littlely