US2595219A - Two-stage jaw crusher - Google Patents
A two-stage, jaw type crusher comprising a frame, an upstanding primary jaw and a' shorter, upstanding secondary jaw, said jaws being widely spaced apart in opposed relation, an upstanding pitman mounted -medially of said jaws and carrying on one face thereof a primary crushing jaw opposed to said first mentioned primary jaw in converging,US5765769A - Method for adjustment of jaw crusher toggle,,The objective of this invention is to provide a method to adjust the position of a jaw crusher toggle block, and a device used for said method; wherein the said device can adjust the cavity width over a wide range, and can be applied to a wide range of jaw crushers, including large models, without itself having to be enlarged. This invention is a novel method to adjust the position of the,Jaw crusher - US Patent Search,Jaw Crusher Patent Description. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jaw crusher, and more particularly to a jaw crusher with a design of moving the position of a pair of triangular wedge-shaped lumps to set a crush gap and adjust a crush travel distance with an eccentric setting. 2.