JAW CRUSHER Russian patent published in 2008 - IPC B02C1/02 

FIELD: crushing or disintegrating of materials.

SUBSTANCE: jaw crusher comprises base, unmovable jaw inclined to the horizon, movable jaw kinematically connected with the drive and forming crushing chamber, and detachable lining applied on the unmovable and movable jaws. The unmovable jaw is made of fire grate with longitudinally oriented bars whose ends are connected to the base to form a free space under the fire grates. The base underlies the grates and has an opening in the horizontal plane for permitting relieving the under-grate product through it. The beam underlies the bottom end of the bars. The lining of the unmovable plate is made of lining members with U-shaped cross-section and L-shaped longitudinal section for permitting bearing on the top edges of the bars, locking the top part of the base by their projecting members, abutting their bottom edges against the transverse beam, and securing them to the base with a detachable pressing beam. The space between the adjacent lining members is equal to the size of the relief slot of the crusher.

EFFECT: enhanced efficiency.

1 cl, 3 dwg