US6520438B2 Gyratory crusher mainshaft Google Patents
Each of the spider arms 52 is protected from falling material by a spider arm guard 56. The spider rim is protected by a rim liner (not shown), also known as a hopper liner. ... Gyratory crusher spider guards US6520438B2 (en) 2003-02-18: Gyratory crusher mainshaft US7195186B2 (en) 2007-03-27 ...
Get Details