Billet grinding apparatus

Claim 1

MECHANISM FOR ROTATING A WORK PIECE POSITIONED ON A SUPPORT COMPRISING A FRAME STRUCTURE SUPPORTED FOR UP AND DOWN MOVEMENT AWAY FROM AND TOWARD AN INITIAL LOWER POSITION, A TURN-OVER MEMBER MOUNTED ON SAID FRAME STRUCTURE FOR ROTATION AND FORE FORWARD AND REARWARD MOVEMENT RELATIVE THERETO AND HAVING A WORK PIECE SUPPORTING SURFACE BENEATH A WORK PIECE ON SAID SUPPORT IN SAID INITIAL LOWER POSITION OF SAID FRAME STRUCTURE, A FIRST POWER DEVICE FOR RAISING AND LOWERING SAID FRAME STRUCTURE, A SECOND POWER DEVICE FOR ROTATING SAID MEMBER IN OPPOSITE DIRECTIONS, A THIRD POWER DEVICE FOR MOVING SAID MEMBER FORWARDLY AND REARWARDLY RELATIVE TO SAID FRAME STRUCTURE, MEANS FOR ACTUATING SAID FIRST POWER DEVICE TO ELEVATE SAID FRAME STRUCTURE TO THEREBY BODILY RAISE SAID MEMBER TO LIFT THE WORK PIECE FROM THE SUPPORT OF SUPPORT THE SAME ON SAID SUPPORTING SURFACE OF SAID MEMBER, MEANS FOR ACTUATING SAID THIRD POWER DEVICE IN THE RAISED POSITION OF SAID FRAME STRUCTURE TO MOVE SAID MEMBER FORWARDLY, AND MEANS FOR THEREAFTER ACTUATING SAID SECOND AND FIRST POWER DEVICES IN SEQUENCE TO ROTATE SAID MEMBER IN ONE DIRECTION AND LOWER SAID FRAME STRUCTURE TO THEREBY ROTATE AND DEPOSIT THE WORK PIECE ON THE SUPPORT AND RETURN SAID FRAME STRUCTURE TO ITS INITIAL POSITION.