Load distributing cutter arm support

Claim 1

IN A CONTINUOUS MINING MACHINE, A MAIN FRAME, LATERALLY SPACED TRACTION DEVICES SUPPORTING SAID MAIN FRAME ON THE GROUND AND PROPELLING SAID MAIN FRAME ALONG THE GROUND, A BOOM ARM TRANSVERSELY PIVOTED TO SAID MAIN FRAME ADJACENT THE REAR END PORTION OF SAID TRACTION DEVICES AND EXTENDING A SUBSTANTIAL DISTANCE IN ADVANCE OF SAID MAIN FRAME, A SUPPORT FRAME MOUNTED ON SAID MAIN FRAME FOR MOVEMENT ABOUT A VERTICAL AXIS INTERMEDIATE THE ENDS OF SAID MAIN FRAME AND FORMING A TRANSVERSE PIVOTAL SUPPORT FOR SAID BOOM ARM, MEANS MOVING SAID SUPPORT FRAME AND BOOM ARM ABOUT SAID VERTICAL AXIS, A ROTARY MINING HEAD EXTENDING TRANSVERSELY OF SAID MAIN FRAME AND JOURNALLED ON SAID BOOM ARM ADJACENT THE FORWARD END THEREOF, A CONVEYOR EXTENDING ALONG SAID MAIN FRAME AND HAVING AN INCLINED FORWARD END PORTION PIVOTALLY MOUNTED ON SAID LATERALLY SWINGABLE SUPPORT FRAME, FOR VERTICAL MOVEMENT WITH RESPECT THERETO ABOUT A TRANSVERSE AXIS, A GROUND ENGAGING SHOE AT THE FORWARD END OF SAID CONVEYOR SUPPORTING THE FORWARD END PORTION OF SAID CONVEYOR ON THE GROUND, GATHERING DEVICES ON OPPOSITE SIDES OF THE INCLINED FORWARD END PORTION OF SAID CONVEYOR FOR GATHERING THE MINED MATERIAL AND PROGRESSING IT ONTO SAID CONVEYOR, HYDRAULIC JACK MEANS EXTENDING ALONG OPPOSITE SIDES OF SAID INCLINED ELEVATING PORTION OF SAID CONVEYOR AND PIVOTALLY CONNECTED BETWEEN SAID SHOE AND BOOM ARM AND TRANSMITTING THE STRESSES OF MINING FROM SAID BOOM ARM TO SAID SHOE DURING ELEVATION OF SAID BOOM ARM AND MINING HEAD TO MINE A WORKING PLACE FROM THE FLOOR TO THE ROOF OF A MINE.