Grinding apparatus for fibrous materials

Claim 1

A GRINDING APPARATUS FOR TREATING FIBROUS MATERIAL COMPRISING, A FRAME, A HOUSING DISPOSED IN SAID FRAME, TWO GRINDING MEMBERS DISPOSED IN SAID HOUSING, ONE OF SAID GRINDING MEMBERS BEING SECURED IN SAID HOUSING AND THE OTHER MOUNTED ON A ROTATABLE SHAFT PASSING THROUGH SAID HOUSING AND MOUNTED ON EITHER SIDE OF SAID HOUSING ON BEARINGS CARRIED BY SAID FRAME, AND COMPRESSING MEMBERS ADAPTED TO CREATE A GRINDING PRESSURE BETWEEN SAID GRINDING MEMBERS, CHARACTERIZED IN THAT SAID HOUSING IS SECURED TO SAID FRAME AT ITS END FACING SAID COMPRESSING MEMBERS FOR TRANSMITTING THE TENSILE LOAD BETWEEN THE HOUSING AND FRAME, THE OPPOSITE END OF THE HOUSING BEING MOUNTED ON A SUPPORT PERMITTING AXIAL MOVEMENT OF THE HOUSING RELATIVE TO THE FRAME WITH THE CENTER POSITION REMAINING PRACTICALLY UNCHANGED, SAID SUPPORT BEING RIGIDLY SECURED TO SAID HOUSING AS WELL AS TO SAID FRAME AND HAVING AMPLE RADIAL EXTENSION BETWEEN ITS POINTS OF SECUREMENT SO AS TO BE ADAPTED ON AN AXIAL DISPLACEMENT OF THE HOUSING TO PERFORM A SWINGING MOVEMENT ABOUT ITS POINT OF SECUREMENT TO THE FRAME.