Patents Assigned to Wills Trucking, Inc.
  • Trailer unloading apparatus and method
    Patent number: 4541765
    Abstract: Apparatus and method for unloading bulk material (M) from a rectangular trailer (10') comprising a collapsible rectangular liner (29) having a collapsible funnel-shaped base (31), said liner being hung extended in said container with said base (31) collapsed and its discharge opening (32) inserted in a bottom discharge opening (33) in the trailer (10'), and a cable and winch (44,47) to lift the liner (29) to extend the base (31) for gravity discharge of the bulk material (M) through said bottom discharge opening (33).
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: September 17, 1985
    Assignee: Wills Trucking, Inc.
    Inventor: James W. Moore