Patents Assigned to Protoco, Inc
  • Patent number: 6276517
    Abstract: A series of regularly spaced cylindrical paddles are affixed to a steel strand cable. Each end of the cable is provided with a swaged ball shank which is pivotably received within a nut. The threaded nuts are connected by a threaded screw. The paddles are advanced on the cable through a conduit by a rotatable drive wheel. The system is thus adapted for moving ice cubes and chips. The drive wheel has eight teeth, each of which has a connector trough dimensioned to receive the connector assembly. Each tooth has a leading finger with a drive face which engages a paddle when it is received within a paddle trough defined between neighboring teeth. The drive face has a radially extending wall which engages the disk of the paddle, and a second radially extending wall spaced outwardly from the first which engages the protruding shoulder of the disk, such that the disks are always driven at two spaced locations.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: August 21, 2001
    Assignee: Protoco, Inc
    Inventors: Timothy G. Peterson, Richard J. Donahue, Craig H. Melter