Solid material comminution or disintegration – Apparatus – Rotary striking member with moving cooperating surface or...
Patent
1975-12-01
1978-04-04
Lake, Roy
Solid material comminution or disintegration
Apparatus
Rotary striking member with moving cooperating surface or...
241190, 241194, B02C 1304
Patent
active
040822311
ABSTRACT:
In order to grind refuse, such as municipal waste, two horizontal rotating elements, each carrying a plurality of radiating swinging hammers pivotally attached to discs spaced from each other, are driven in meshing rotation within a housing, the lower inner portion of which presents a series of grate bars extending radially inwardly toward, but spaced from the ends of the swinging hammers. Because the two elements are interconnected for synchronized rotation, the inertia of one element is added to the inertia of the other element to overcome surges of refuse arriving at the entrance of the grinder, which surges might otherwise stall the motor driving only one element. Stationary impact shear bars may be provided at the refuse entrance area of the housing to mesh with the rotating hammers, thereby to cause the ejection of uncrushable objects. The hammers on each disc are disposed on the disc at a different angle about the axle axis from the hammers on each adjacent disc, and openings are provided in each disc to facilitate the mounting of the hammers on adjacent discs.
REFERENCES:
patent: 2858082 (1958-10-01), Berling
patent: 3224688 (1965-12-01), Beiter
patent: 3482788 (1969-12-01), Newell
patent: 3813045 (1974-05-01), Greiffenstern
Goldberg Howard N.
Lake Roy
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