Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1978-04-17
1980-03-11
Desmond, Eugene F.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
241216, B02C 204
Patent
active
041924720
ABSTRACT:
A gyrating cone-shaped head cooperates with a stationary bowl support to crush rock or the like admitted into the crusher. The gyrating action of the head is accomplished by an off-set shaft arrangement for the head driven by a rotatable eccentric member. Input drive for the crusher rotatably operates the eccentric member through an independent coupler for improved gear alignment, operation and maintenance. The head has gyrating support on a dished bearing surface of the main frame, and hydrostatic pressure is admitted between the head and the frame support to minimize wear. Also, a fluid lift is provided for portions of the drive apparatus to support such parts and eliminate thrust loading caused by the weight of such parts on a radial roller bearing, thereby prolonging the useful life of the bearing. An improved seal is provided between the head and the main frame and is of a structure to remain intact and to operate effectively under all normal operating conditions of the crusher. Fluid operated apparatus is used to provide a pressure hold-down for the bowl and also fluid operated apparatus is provided for adjusting the bowl rotatably and for locking the bowl securely.
REFERENCES:
patent: 1575874 (1926-03-01), Symons
patent: 2017108 (1935-10-01), Symons
patent: 2224542 (1940-12-01), Gruender et al.
patent: 2680571 (1954-06-01), Bjarme
patent: 2832547 (1958-04-01), Kennedy
patent: 3140834 (1964-07-01), Symons
patent: 3759453 (1973-09-01), Johnson
Desmond Eugene F.
Eckelman Eugene M.
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