B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/34
B02C 2/00 (2006.01) B02C 2/04 (2006.01)
Patent
CA 1122946
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 accompli- shed 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 independ- ent coupler for improved gear alignment, operation and main- tenance. The head has gyrating support on a dished bearing surface of the main frame, and hydrostatic pressure is ad- mitted 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 appara- tus is provided for adjusting the bowl rotatably and for lock- ing the bowl securely.
311363
Frayne & Company Robert
Johnson Louis W.
LandOfFree
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