Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1996-02-07
1998-08-04
Watts, Douglas D.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
2412852, 83502, B02C 1806
Patent
active
057881693
ABSTRACT:
A modular shear shredder having at least one shear cartridge having a shaft which carries a plurality of cutter elements mounted within a shredder housing having a support frame, opposing end walls attached to the frame, and side walls removably attached to the frame, the side walls being shaped such that removal of the one of the side walls permits the shear cartridge inserted and removed from the shredder housing. Consequently, there is no need to remove the end walls of the housing, or otherwise dismantle the unit to remove the shear cartridge. The removable side walls each support a plurality of comb elements which mesh with the cutter elements on the shear cartridge. Each shear cartridge within the shredder includes a pair of end caps removably attached to the ends of the shaft. The caps are shaped to be attached either to support bearings or drive motor output shafts. The end walls of the housing are modular and are adapted to support either support bearings or drive motors, so that the unit can be configured such that a pair of drive motors powers each shear cartridge, or a single drive motor powers a shear cartridge. The shredder includes a feed hopper having a ram which reciprocates toward and away from the open top of the housing. The ram includes a ram face which is pivotable between an operative position and a collapsed position, whereby the space within the feed hopper is not obstructed by the ram when not needed.
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