GYRATORY CRUSHERS The original patent for the gyratory crusher was granted to Phile- tus W. Gates in 1881. This fint crusher was used by the ... FIG. 24. Sectional view of hydraulic support .~sembly (COURB~ of Allir-Chi- men). Legend: (I) main sh.A, (2) thrust-bearing wbly. (3) hydraulic piston. basically the frustum of an inverted cone. ...
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