JAW CRUSHER Russian patent published in 1995 - IPC

FIELD: mining industry, civil engineering and other industrial fields. SUBSTANCE: jaw crusher comprises bed 1, movable 2 and stationary 3 jaws, eccentric shaft 4, spacer plate 5, and hydraulic support in the form of banks of hydraulic cylinders 7. The rod ends of cylinder pistons carry supports with a spherical bearing surface. The bank of hydraulic cylinders has a common rear cover and a common flange, each being provided with one inlet hole. The rod ends and head ends of cylinders are interconnected through holes located, correspondingly, in the flange and the rear cover in the piston zone. The rear cover and flange are bevelled for fastening the bank of cylinders with wedges. EFFECT: improved design. 4 cl, 7 dwg