Patent ID: 8851409

Claim:
A system for crushing a material, comprising: an upwardly inclined conveyor adapted to receive and advance the material in an upward direction; an upwardly inclined compaction chamber including an inlet chamber at a proximal portion configured to receive the material from the conveyor and an outlet chamber at a distal portion located above the proximal portion, configured to allow crushed material to exit, the compaction chamber further comprising a door assembly comprising a door that is configured to be openable to allow for clearance of material jams within the compaction chamber; a hinge to facilitate opening of the door; a spring loaded bar pivotally associated with the door such that the bar is adapted to be manipulated to control opening of the door the bar comprising a first notch and a second notch; a bracket comprising a slot such that the slot is adapted to engage the first notch of the bar to lock the door in an open position and engage the second notch of the bar to lock the door in a closed position; and a screw assembly comprising a shaft in alignment with the conveyor that generally extends between the proximal and distal portions of the compaction chamber such that the screw assembly is configured to facilitate crushing of the material.