Cage mill

Details Cage mill Cage mill

1980-07-03

1983-04-05

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Rotary striking member with moving cooperating surface or...

241188A, 241285A, B02C 1322

Patent

active

043789110

ABSTRACT:
An improved design for a cage mill for disintegrating or reducing materials such as ore, grain, etc., consisting of a movable and a stationary portion for housing two cooperative rotatable cage assemblies mounted on coaxial shafts, and each having two rows of impact members alternating with those of the other cage assembly. The axial length of the impact members increases radially outwardly from the axis of the two shafts, and a disk for each cage assembly has a stepped portion for mounting the longer row of impact members and the ends of the members are protected by impact rings. The stepped portion provides an offset area for nesting the ring of a preceding row to protect the ring against abrasion. For each cage assembly a tapered split ring nut arrangement at the end of the shaft forces the cage against a hub rigidly secured to the shaft, and a locking means secures the nut to the shaft. The power means for rotating the cage assembly associated with the movable portion is mounted on the movable portion for movement therewith, and the sealing element between the movable and stationary portions of the housing is designed to always maintain a positive sealing condition yet allow for misalignment of the two portions.

REFERENCES:
patent: 518010 (1894-04-01), Stedman
patent: 1927277 (1933-09-01), Canary
patent: 2246902 (1941-06-01), Smith
patent: 2376593 (1945-05-01), Hellen
patent: 2539775 (1951-01-01), Gordon
patent: 2666092 (1954-01-01), Balzer
patent: 3441166 (1969-04-01), DeFrees
patent: 3659793 (1972-05-01), Stephenson et al.
patent: 3944091 (1976-03-01), Tillmanns
patent: 4226375 (1980-10-01), Cameron

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