JAW CRUSHER Russian patent published in 2000 - IPC

FIELD: jaw crushers; applicable in crushing of various materials, particularly, metalliferous and nonmetalliferous materials. SUBSTANCE: jaw crusher includes welded frame whose lower part on the side of lining has mounted-in device motion and regulation of discharge of crushed product. Said device is made in form of rack with teeth directed to side of movable jaw. Similar rack is attached to lower part of movable jaw. Said rack has teeth directed towards fixed jaw. In this case, teeth of one rack are located between teeth of the other rack. Linings of fixed and movable jaws have through openings in their hollows. Water supplying branch pipes are located behind upper half of lining, and steam supplying branch pipes are located between lower half of lining. Through openings may be inclined. Rack teeth may be made triangular in cross-section and inclined down. EFFECT: higher degree and selectivity of crushing. 2 cl, 2 dwg