DESIGN OF MINERAL BREAKER TEETH Russian patent published in 2010 - IPC B02C18/18 

FIELD: mining.

SUBSTANCE: invention related to mineral braking devices. Unit contains bearing case, teeth shaped and coated, which defines teeth external shape. Coating consists of many separate covers, which stiffly welded one to another and/or to the bearing case, defining that way whole teeth design. The bearing case has front face and opposite to it back face, also number of separate covers, which include at least front cover, welded to the bearing case front face and touching its surface directly with its own whole surface, also a separate front cover, welded to the bearing case back face touching its surface directly with its own whole surface.

EFFECT: mineral breaker reliability increase, decrease in its tooth vibration during a operation.

15 cl, 12 dwg