Grinding wheel with adjustable abrasive segments

Claim 1

A ROTARY GRINDING WHEEL COMPRISING A WHEEL BODY ADAPTED IN CONNECTION WITH USE OF THE WHEEL TO BE DRIVEN IN ONE DIRECTION ABOUT ITS AXIS AND HAVING ON ONE SIDE THEREOF AN ANNULAR FACE IN CONCENTRIC RELATION WITH SAID AXIS, AN ANNULAR SERIES OF SPACED APART MOUNTING INSERTS POSITIONED ADJACENT TO, AND IN CONCENTRIC RELATION WITH, THE FACE OF THE WHEEL BODY, MOUNTED WITH RESPECT TO THE WHEEL BODY SO THAT THEY ARE INDIVIDUALLY AND FREELY ROTATABLE ABOUT CENTRALLY-DISPOSED AXES AT RIGHT ANGLES TO SAID FACE AND WITHOUT AXIAL DISPLACEMENT, AND PROVIDED WITH SUBSTANTIALLY FLAT, COPLANAR, OUTER WORKING FACES, ELONGATED, BLOCK-LIKE, ABRASIVE SEGMENTS EXTENDING SUBSTANTIALLY DIAMETRICALLY ACROSS, AND FIXEDLY CONNECTED TO, THE OUTER WORKING FACES OF THE MOUNTING INSERTS, FORMED OF ABRASIVE PARTICLES DISTRIBUTED SUBSTANTIALLY UNIFORMLY THROUGHOUT HARD MATRICES, HAVING SUBSTANTIALLY FLAT AND COPLANAR, OUTER GRINDING SURFACES, AND ADAPTED WHEN ORIENTED AND IN CONNECTION WITH SIMILAR ANGULAR ADJUSTMENT OF THE MOUNTING INSERTS ABOUT THEIR RESPECTIVE AXES AND IN ONE DIRECTION OR THE OTHER TO BE POSITIONED SO AS TO PRESENT A GREATER OR LESS WIDTH OF ABRASIVE PARTICLES IN THEIR OUTER GRINDING SURFACES TO THE CIRCULAR PATH IN WHICH THEY ARE ROTATED IN CONNECTION WITH DRIVE OF THE WHEEL BODY, AND RELEASABLE MEANS FOR HOLDING THE INSERTS IN CONNECTED RELATION WITH THE WHEEL BODY AND ALSO SECURING SAID INSERTS FIXEDLY IN THEIR VARIOUS POSITIONS OF ANGULAR ADJUSTMENT.