Abrasive particle throwing wheel assembly

Claim 1

A PARTICLE THROWING ASSEMBLY COMPRISING A ROTATABLE WHEEL, RADIALLY EXTENDING THROWING VANE CHANNELS EXTENDING INTO ONE FACE OF SAID WHEEL, THE WIDTH OF SAID CHANNELS INCREASING AS THEY EXTEND INTO SAID WHEEL FACE WITH THE THICKEST PORTION OF EACH CHANNEL BEING A FLOOR AND SIDE WALLS EXTENDING UPWARDLY FROM SAID FLOOR, THROWING VANES MOUNTED IN SAID CHANNELS AND EXTENDING PERPENDICULAR FROM SAID WHEEL FACE, EACH OF SAID VANES HAVING A BASE PORTION DISPOSED IN A RESPECTIVE CHANNEL, AN ELONGATED CUT-OUT BEING IN EACH OF SAID BASE PORTIONS DISPOSED TOWARD ITS CHANNEL, A COMPRESSION SPRING RESTING ON EACH FLOOR OF SAID CHANNEL AND EXTENDING INTO SAID CUT-CUT TO URGE THE VANE UPWARDLY AGAINST SAID CHANNEL SIDE WALLS, A LOCKING PIN SEAT IN EACH FLOOR OF EACH CHANNEL NEAR THE PERIPHERY OF SAID WHEEL, A LOCKING PIN IN EACH SEAT AND EXTENDING UPWARDLY INTO ITS RESPECTIVE CHANNEL, A PORTION OF SAID LOCKING PIN EXTENDING INTO SAID CHANNEL BEING INCLINED WITH RESPECT TO SAID WHEEL FACE, A SECOND CUT-OUT IN EACH BASE PORTION OF EACH VANE FOR ACCOMMODATING THE PORTION OF SAID LOCKING PIN WHICH EXTENDS INTO ITS CHANNEL, SAID SECOND CUT-OUT PORTION INCLUDING A COMPLEMENTARY INCLINED PORTION OF ITS RESPECTIVE LOCKING PIN, AND MEANS AT THE WHEEL CENTER FOR URGING EACH VANE OUTWARDLY AGAINST ITS LOCKING PIN TO FORM A TIGHT FIT.