Secondary impact crusher

Details Secondary impact crusher Secondary impact crusher

1975-03-05

1976-05-11

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Stationary comminuting surface or material bed

241DIG20, B02C 2300

Patent

active

039557677

ABSTRACT:
The disclosure describes a secondary impact crusher for earth material aggregate. A cylindrical housing contains a novel rotatable impeller assembly comprising an impeller table, impeller plates attached to the table and impeller brackets for holding impeller shoes. The novel shoes and plates provide protection from damage to the brackets and fine grained aggregate. The impeller assembly is lubricated and cooled by a unique partially gravity-fed lubrication, cleansing and cooling system.

REFERENCES:
patent: 2814450 (1957-11-01), Gruender
patent: 2981489 (1961-04-01), Hannum, Jr.
patent: 3606182 (1971-09-01), Warren
patent: 3767127 (1973-10-01), Wood
patent: 3867791 (1975-02-01), Goff

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