Patent ID: 7731116

Claim:
Safety system for a roller mill with crushing rollers ( 2 ) rolling on a rotary crushing pan ( 3 ), with a mill gear ( 4 ), which is positioned below the crushing pan ( 3 ) and supported on a mill foundation ( 5 ) and with a drive motor ( 6 ) and a lubricating system ( 7 ) for the mill gear ( 4 ), characterized in that for ensuring a permanent availability of the roller mill a replacement gear ( 14 ) is provided, the mill gear ( 4 ) and the replacement gear ( 14 ) are placed on at least one base plate ( 10 , 13 ), the base plate ( 10 , 13 ) is horizontally adjustable on the mill foundation ( 5 ) and in the case of a failure to the mill gear ( 4 ), by adjusting the base plate ( 10 , 13 ), the replacement gear ( 14 ) can be positioned below the crushing pan ( 3 ) in place of the mill gear ( 4 ).