US7341213B2 Jaw crusher with a hydraulic cylinder
A jaw crusher 10 includes a fixed jaw 16 and a swing jaw 18 which define a crushing chamber 26 The swing jaw 18 is mounted for cyclic movement in the direction of the fixed jaw 16 for crushing material between the two jaws A cross beam 42 is adjustably received in apertures 40 provided in the walls 12 14 of the frame 11