JAW CRUSHER Russian patent published in 2016 - IPC B02C1/00 

FIELD: disintegrators and devices for crushing.

SUBSTANCE: invention relates to various materials grinding and milling, particularly, to jaw crushers, which can be used for grinding of nonmetallic construction materials in mining and other industries. Crusher comprises bed 1 with fixed jaw 2 and movable jaw 3 with convex working surface. Ends of movable jaw 3 are equipped with support rollers 8, which are installed on bed 1 side walls from above and below. Movable jaw 3 drive is made in form of crank-and-rocker mechanism including double-arm rocker 4, link 6 and rocker stone 7. Double-arm rocker 4 is fitted on horizontal axis 5 by middle part and connected to movable jaw 3 by means of spacer plates 9. Link is made integral with double-arm rocker 4 middle part, and rocker stone 7 is made in form of cam shaft mounted in bed 1.

EFFECT: crusher design provides uniform crushing and excludes material overmilling during its crushing.

1 cl, 1 dwg