China mini rock crusher small used rock crusher for sale motor drives the movable jaw up and down through eccentric shaft parts or have a replacement period so that can guarantee crusher,Eccentric Shaft Crusher Replacement From Indonesia. Eccentric Shaft Jaw Crusher ,The Blake type jaw crusher has a fixed feed area and a variable discharge area. Blake crushers are of two types- single toggle and double toggle jaw crushers. In the single toggle jaw crushers, the swing jaw is suspended on the eccentric shaft which leads to a much more compact design than that of the double toggle jaw crusher.As one of the typically rock crushing equipments in the world, Jaw crusher is mainly used for primary and secondary crushing. Rock is dropped between two high manganese steel Jaw plates, one is fixed jaw plate, one is movable jaw plate. Movable jaw plate moves up and down via eccentric shaft, and then crush the rock between the two jaw plates into smaller size.