JAW GRINDER Russian patent published in 2008 - IPC B02C1/04 

FIELD: grinding.

SUBSTANCE: jaw grinder comprises housing, unmovable and movable jaws, eccentric crank drive that actuates the movable jaw, spacing plate, closing mechanism that has spring and tie pivotally connected with the movable jaw, mechanism for adjusting the space in the joint between the jaw and tie that has unmovable and movable bearing members that embrace the pin of the tie, and flexible air toroid made of a flexible material and embracing the bearing members. The flexible air toroid is interposed between the arresting ribs made in block with the bearing members.

EFFECT: enhanced reliability.

2 dwg