Patents Assigned to Work Systems Technology Pty Ltd.
  • Control wheel assembly for trolleys
    Patent number: 6331009
    Abstract: A trolley control wheel assembly adapted to be fitted to a trolley having a longitudinal axis of travel includes (1) an array of castors; (2) a fixed wheel or wheels adapted to be positioned at or near the load center of the trolley or at or near the center of the array, and (3) bias and damping to provide controlled contact between the wheel or wheels and a surface on which the trolley is intended to travel. The bias damping may jointly comprise a gas strut.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: December 18, 2001
    Assignee: Work Systems Technology Pty Ltd.
    Inventor: Wesley Wilkinson