Core breaker for ripper type miner

Claim 1

IN A CONTINUOUS MINING MACHINE, AT LEAST ONE ROTARY CUTTER DRUM ROTATABLE ABOUT A HORIZONTAL AXIS EXTENDING GENERALLY PARALLEL TO THE WORKING FACE OF A MINE, A SUPPORT FOR SAID CUTTER DRUM EXTENDING BEYOND AN END THEREOF AND SUPPORTING SAID CUTTER DRUM FOR ROTATION ABOUT SAID HORIZONTAL AXIS AND FOR VERTICAL MOVEMENT ALONG A MINE FACE, SAID CUTTER DRUM HAVING ROWS OF CUTTER BITS EXTENDING THEREABOUT AND PROJECTING RADIALLY THEREFROM, AND AT LEAST ONE CORE SPLITTER GENERALLY CONFORMING TO THE PERIPHERY OF SAID DRUM AND EXTENDING ABOUT THE FORWARD END PORTION OF SAID SUPPORT AND PIVOTED TO OPPOSITE SIDES OF SAID SUPPORT ABOVE AND BELOW THE AXIS OF ROTATION OF SAID DRUM FOR MOVEMENT ABOUT A COMMON AXIS PERPENDICULAR TO THE AXIS OF ROTATION OF SAID CUTTER DRUM, SAID CORE SPLITTER HAVING A CIRCUMFERENTIAL WEDGING CORE SPLITTING FACE, AND MEANS FOR MOVING SAID CORE SPLITTER BACK AND FORTH ALONG SAID SUPPORT TOWARD AND FROM SAID DRUM, TO EFFECT A CORE SPLITTING OPERATION UPON ADVANCE OF SAID DRUM ALONG THE WORKING FACE OF A MINE DURING ROTATION THEREOF AND LATERAL MOVEMENT OF SAID CORE SPLITTER ACROSS SAID SUPPORT TOWARD AND FROM THE END OF SAID DRUM.