A mounting assembly arranged to mount a jaw at a jaw crusher includes a rotatable shaft having a jaw bearing mount region that is eccentric relative to a longitudinal axis of the shaft. A central axis of a jaw bearing that mounts the jaw at the crusher is off-set from a central axis of a frame bearing that mounts the shaft at the crusher by a distance in the range of 20 mm to 35 mm.

A mounting assembly arranged to mount a jaw at a jaw crusher includes a rotatable shaft having a jaw bearing mount region that is eccentric relative to a longitudinal axis of the shaft. A central axis of a jaw bearing that mounts the jaw at the crusher is off-set from a central axis of a frame bearing that mounts the shaft at the crusher by a distance in the range of 20 mm to 35 mm.

An actuator mounting assembly comprising a base mounted to an item of equipment and having a pivoting plate hole and a locking pin hole, a pivoting plate having a base hole, a locking pin hole, and a actuator hole, a base pin disposed in the pivoting plate base hole, a locking pin adapted to be removably disposed in the pivoting plate locking pin hole, and an actuator pin disposed in the actuator hole. The pivoting plate is pivotally connected to the base at the pivoting plate hole, the cap end of the actuator is pivotally connected to the pivoting plate at the actuator hole, the piston end of the actuator is pivotally connected to the item of equipment, and the base locking pin hole and the pivoting plate locking pin hole are aligned when the locking pin is inserted therethrough.

An actuator mounting assembly comprising a base mounted to an item of equipment and having a pivoting plate hole and a locking pin hole, a pivoting plate having a base hole, a locking pin hole, and a actuator hole, a base pin disposed in the pivoting plate base hole, a locking pin adapted to be removably disposed in the pivoting plate locking pin hole, and an actuator pin disposed in the actuator hole. The pivoting plate is pivotally connected to the base at the pivoting plate hole, the cap end of the actuator is pivotally connected to the pivoting plate at the actuator hole, the piston end of the actuator is pivotally connected to the item of equipment, and the base locking pin hole and the pivoting plate locking pin hole are aligned when the locking pin is inserted therethrough.

A jaw crusher, a mineral material processing plant and a method for processing mineral material. The jaw crusher includes a fixed jaw and a movable jaw for forming a crushing chamber therebetween which is open at the top. The fixed jaw includes a first wear part mounted thereto and the movable jaw includes a pitman and a second wear part mounted thereto. The pitman is rotatably mounted to a first eccentric shaft. The pitman is further rotatably mounted to second eccentric shaft configured to guide the stroke of the movable jaw to create a movement pattern with a substantially linear crushing stroke, wherein the eccentricity of the second eccentric shaft is larger than that of the first eccentric shaft.

A jaw crusher, a mineral material processing plant and a method for processing mineral material. The jaw crusher includes a fixed jaw and a movable jaw for forming a crushing chamber therebetween which is open at the top. The fixed jaw includes a first wear part mounted thereto and the movable jaw includes a pitman and a second wear part mounted thereto. The pitman is rotatably mounted to a first eccentric shaft. The pitman is further rotatably mounted to second eccentric shaft configured to guide the stroke of the movable jaw to create a movement pattern with a substantially linear crushing stroke, wherein the eccentricity of the second eccentric shaft is larger than that of the first eccentric shaft.

A blade plate for crushers to be installed on a fixed side or a moving side, includes a base material part and many blade parts arranged on the surface of the base material part. The blade part includes a diamond blade part having an edge formed of a corner between a belt-like part and an inclined part, and a chevron blade part which is configured in a polyhedral shape having an edge formed of a corner between a cross-shaped tip end belt-like part and a foot part and an edge formed of a corner between an inclined belt-like part and a foot part, and which is bound to an intersection place of the diagonal lines of the diamond blade part. Also provided is a crusher which utilizes the blade plate.

A blade plate for crushers to be installed on a fixed side or a moving side, includes a base material part and many blade parts arranged on the surface of the base material part. The blade part includes a diamond blade part having an edge formed of a corner between a belt-like part and an inclined part, and a chevron blade part which is configured in a polyhedral shape having an edge formed of a corner between a cross-shaped tip end belt-like part and a foot part and an edge formed of a corner between an inclined belt-like part and a foot part, and which is bound to an intersection place of the diagonal lines of the diamond blade part. Also provided is a crusher which utilizes the blade plate.

A rock crusher having a base frame with a rear section, an eccentric shaft assembly which is mounted on the base frame, and a common tension assembly which is housed in the rear section of the base frame. In the preferred embodiments of the rock crusher, the rear section of the base frame is configured to house a toggle plate/wedge assembly or a tramp iron relief system. A method for converting a rock crusher between a toggle plate/wedge adjust assembly and a tramp iron relief system.

A toggle block adjustment arrangement for a jaw crusher is provided.