Impeller shoe assembly

Details Impeller shoe assembly Impeller shoe assembly

1984-09-07

1987-02-17

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Comminuting elements

241275, B02C 1906

Patent

active

RE0323551

ABSTRACT:
An elongated impeller shoe assembly 10 is described for a vertical shaft centrifugal impact crushing machine 11 for increasing the effective utilization of the assembly and for substantially reducing the cost to utilization ratio. The assembly 10 includes an elongated supporting base member 28 for attaching to a turn-table bracket 20 in which the base member .Badd.[20].Baddend. 28 is cast of a high strength steel alloy material. The base member 28 has a wide longitudinal female dovetail groove 54 formed in a front face 38 thereof extending between an inner end 32 and an outer end 34. The groove 54 has a shallow taper downward from the inner end 32 to the outer end 34. The assembly 10 includes a wear resistant member 30 mountable to the base member 28 for receiving the material from a central distribution disc 15 and directs the material radially outward along a front face 82. The wear resistant member 30 has a complementary male dovetail projection 100 formed on a back face for slidably fitting into the female dovetail groove 54 to releasably secure the wear resistant member 30 to the base member 28. The base member 28 and the wear resistant member 30 have respective shoulder and abutment surfaces 48 and 108 for engaging each other to maintain a loose fit between the dovetail elements.

REFERENCES:
patent: 3074657 (1963-01-01), Bridgewater
patent: 3110449 (1963-11-01), Bridgewater
patent: 3474974 (1969-10-01), Wood
patent: 3829032 (1974-08-01), Schrimper
patent: 4090673 (1978-05-01), Acker et al.

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