Patent ID: 7198213
Filing Date: 2007-04-03
Classification: B02C,B65F,Y02W

Abstract:
1. A mobile shredder for shredding documents and other materials, comprising: a truck having a truck body defining an enclosure and including a partition in the enclosure that divides a storage volume from the remainder of the enclosure for storage of shredded material in said storage volume, the enclosure having rear doors that are openable to allow said storage volume to be emptied of the shredded material therein; a single-shaft rotary shredder mounted in the enclosure outside the storage volume and including a single rotor having an outer surface formed generally as a surface of revolution about an axis, the shredder further including a counter knife arranged in opposition to the outer surface of the rotor, a space being defined between the counter knife and the outer surface of the rotor for passage of material being shredded, and a plurality of cutters rigidly affixed to the outer surface of the rotor, the cutters and counter knife cooperating to shred the material; a ram operable to advance the material to be shredded into the space between the rotor and the counter knife; a discharge conveyer arranged to receive the shredded material from the rotary shredder and discharge the shredded material into the storage volume; and a walking floor within the storage volume, the walking floor comprising a plurality of axially extending parallel slats arranged in multiple groups each comprising a plurality of slats that alternate with slats of the other groups, and a drive system structured and arranged to alternately move all of the groups rearwardly in unison and then to sequentially move each group fowardly one at a time and to repeat such unison and sequential movements to move the shredded material out of the storage volume through the open rear doors.