Patent ID: 7185953
Filing Date: 2007-03-06
Classification: E01H

Abstract:
1. A dump hopper comprising a container, an opening in the container, a dump door, means for mounting the dump door for movement between a first closed position closing the container opening and a second open position at which the container opening is open, a chute for guiding the discharge of contents outwardly of the container opening when the dump door is in the second open position thereof, means for mounting the chute for movement between a first travel position when the dump door is in the first closed position thereof and a second guiding position when the dump door is in the second open position thereof, and first and second cooperative means for holding the dump door in the first closed position thereof during movement of the chute from the first travel position toward the second guiding position and releasing the dump door to free movement thereof from the first closed position incident to the chute reaching substantially the second guiding position thereof.