Device for setting the rolling space in a rolling mill

Claim 1

IN A ROLLING MILL, A PLURALITY OF PARTS INCLUDING BEARING HOUSINGS MOUNTED FOR MOVEMENT TOWARDS AND AWAY FROM EACH OTHER, A ROLL MOUNTED IN EACH HOUSING, MEANS TO MOVE AT LEAST ONE OF THE HOUSINGS TOWARDS AND FROM THE OTHER HOUSING, THE ROLLS BEING SO POSITIONED IN SAID HOUSINGS THAT SAID HOUSINGS ARE ENGAGEABLE DURING RELATIVE MOVEMENT OF THE HOUSINGS TOWARDS EACH OTHER, DRIVING MEANS TO PRODUCE SUCH RELATIVE MOVEMENT, A PRESSURE SENSITIVE MEASURING DEVICE, SAID DEVICE BEING POSITIONED WITH ITS SENSING DIRECTION COINCIDENT WITH THE DIRECTION OF RELATIVE MOVEMENT OF THE HOUSINGS, SAID MILL INCLUDING TWO OF SAID PARTS RELATIVELY MOVABLE WITH RESPECT TO EACH OTHER BETWEEN WHICH THE DEVICE IS ARRANGED AND WHICH ARE ADAPTED TO ENGAGE ONE ANOTHER WHEN SAID DEVICE IS SUBJECTED TO A PREDETERMINED PRESSURE SUBSTANTIALLY LOWER THAN THE ROLLING PRESSURE, MEANS TO GIVE A CONSTANT REFERENCE MAGNITUDE, AND MEANS RESPONSIVE TO THE DIFFERENCE BETWEEN SAID CONSTANT MAGNITUDE AND THE OUTPUT OF SAID DEVICE TO CONTROL SAID DRIVING MEANS.