TAPERED CRUSHER Russian patent published in 2012 - IPC B02C2/04 

FIELD: process engineering.

SUBSTANCE: invention relates to construction and mining. Proposed crusher comprises unbalanced vibrators and taper ring accommodating crushing cone to make crushing chamber with said taper ring. Dampers are arranged between bed and housing. Bars are fitted in pivoting bearings in seats of housing and bed. Crusher is equipped with cylinders controlled by restrictors, hydropneumatic accumulator and check valve. Cylinders are arranged between housing and bed to make bearing triangle with bars and bed. Check valves are combined in bridge circuit with controlled restrictor connected in one diagonal of said bridge and cylinder chambers connected in another one. Hydropneumatic accumulator communicates to check valve combined inlets.

EFFECT: higher reliability.

2 dwg