Patent ID: 7591513
Filing Date: 2009-09-22
Classification: B60P

Abstract:
1. An apparatus for metered pouring of material from a truck, comprising: a. a dump box comprising a wall and a tailgate pivotally connected to the wall; b. a first latch connected to the wall and engagable with a lower end of the tailgate; and c. a second latch connected to the wall, said second latch including at least a first member and a second member; d. an element connected to the tailgate and engagable with the second latch; e. a selector device having at least a first and second selection; and f. a coupling between the selector device and the second latch such that when the first selection is selected, the first member is engaged and when the second selection is selected, the second member is engaged; wherein when the first latch is engaged with the lower end of the tailgate, the tailgate is locked into a closed position; and when the first latch is disengaged from the tailgate and the selector device is in the first selection, the tailgate rotates to a first open position where the first member of the second latch engages a member connected to the tailgate and the tailgate is held in a first open position by the first member of the second latch, and when the first latch is disengaged from the tailgate and the selector device is in the second selection, the tailgate rotates to a second open position where the second member of the second latch engages the member connected to the tailgate and the tailgate is held in a second open position by the second member of the second latch, where the lower end of the tailgate moves to a different distance from the wall when the selector device is moved to a different selection.