Solid material comminution or disintegration – Apparatus – Comminuting surface provided with openings to permit...
Patent
1984-05-16
1986-07-01
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Comminuting surface provided with openings to permit...
241 884, 241195, 241294, B02C 1328
Patent
active
045975388
ABSTRACT:
A comminuting apparatus which includes a housing containing a drum rotatable about a horizontal axis, a first crushing and screening grate pivotally suspended in the housing, and having a lower end adjustably movable toward the drum to form with the drum a selectively widenable throat, and a second arcuate fine grinding and screening grate pivotally mounted in the housing, and forming with the drum an adjustably dimensioned constricting throat. The drum carries at its outer periphery, a plurality of circumferentially spaced, axially extending rows of detachably mounted hammer elements. Each hammer element in each of the axial rows is received in an undercut, trapezoidally-shaped slot in an elongated hammer retainer bar. Each of the hammer bars is retained in its respective undercut slot by a plurality of wedge blocks.
REFERENCES:
patent: 3150837 (1964-09-01), Hanse
patent: 3608841 (1971-09-01), Wageneder
Laney William R.
Rosenbaum Mark
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