Solid material comminution or disintegration – Apparatus – With automatic control
Patent
1981-10-02
1984-01-03
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
With automatic control
241 36, 241236, 241285B, B02C 2500
Patent
active
044238444
ABSTRACT:
A material shredder (20) includes a cutting chamber (40) having a pair of counterrotatable cutter units (42, 44) for shredding material fed therebetween. A hopper (30) leads to the cutting chamber for directing material to be shredded thereto. A gate structure (130) includes a barrier plate (138) movable from a first position adjacent one wall of the hopper to a second position at least partially blocking the passageway between the hopper and the cutting chamber. Control structure is provided for exerting a selectable pressure on the barrier plate (138) urging the plate into its second position against any material in its path of movement from its first position to its second position. The plate acts to support the material thereabove, as well as compress the material in its path causing a head of material to be supported above the plate. Subsequent to the movement of the gate structure of its position closing off the movement of material to the cutting chamber, one of the cutter units (42) is moved away from the cooperating cutting unit (44) to permit the passage of the blockage through the cutting chamber. After the blockage has dropped through the cutting chamber, the movable cutter unit (42) is repositioned adjacent to the fixed cutter unit (44) and the barrier plate (138) is withdrawn to its position adjacent the hopper and shredding of material is resumed.
REFERENCES:
patent: 574273 (1896-12-01), Roger
patent: 2905396 (1956-09-01), Fye
patent: 2984423 (1961-05-01), Roth
patent: 3881663 (1975-05-01), Brown
patent: 3970256 (1976-07-01), Ruegger et al.
patent: 4168806 (1979-09-01), Jakobs
patent: 4351485 (1982-09-01), Hardwick et al.
Sours William A.
Sullivan James F.
Rosenbaum Mark
Triple/S Dynamics Inc.
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