Us6520438b2 Gyratory Crusher Mainshaft Google Patents
A gyratory crusher uses a new head nut attachment apparatus the gyratory crusher has a shell a shaft disposed within the shell a mantle covering a portion of the shaft a head nut located above the mantle and a sleeve between the head nut and the shaft the sleeve is maintained in position on the shaft by means of a tapered contact surface between the sleeve and the shaft and the head nut
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