Patent ID: 6354787
Filing Date: 2002-03-12
Classification: B60P

Abstract:
A double container trailer, comprising:a main trailer frame including a front trailer frame and a rear trailer frame, both of which define a top support surface, the rear trailer frame also including a tilt frame pivotally mounted thereon for supporting a first load bearing container; pivot means operatively connected between the rear trailer frame and the tilt frame for pivoting the tilt frame and its associated container about a pivot point located on the rear trailer frame; primary cable drive means located on the tilt frame and having an engagement member for engaging a first load bearing container and transporting the first container onto the top support surface of the main trailer frame to an initial transport position; secondary cable drive means operatively associated with the front trailer frame and having a secondary cable and an engagement member for engaging the first load bearing container and transporting the first load bearing container onto the top support surface of the main trailer frame to a final transport position forward of the initial transport position; and wherein the secondary drive means includes a winch drum having a threaded external surface which defines a series of thread grooves and a forward cable, the secondary cable being wound onto the threaded external surface of the winch drum and extending in either of opposite directions between spaced sheaves located on the trailer main frame, the engagement member being carried by the forward cable and being movable backward and forward between the spaced sheaves by actuation of the winch drum whereby the winch drum is used for moving the container forward and backward between the tilt frame and the front trailer frame.