Rotary lawn mower cutting apparatus

Claim 1

IN A ROTARY TYPE LAWN MOWER HAVING A ROTARY SHAFT, THE IMPROVEMENT THEREIN COMPRISING, AN ELONGATED CUTTER BAR HAVING TWO BLADE RECEIVING END PORTIONS, EACH END PORTION PROVIDED WITH A SLOT, SAID ELONGATED CUTTER BAR HAVING A LONGITUDINAL AXIS, EACH CLOT BEING PARALLEL TO SAID LONGITUDINAL AXIS, MEANS MOUNTING SAID CUTTER BAR TO SAID ROTARY SHAFT, POWER MEANS FOR DRIVING SAID ROTARY SHAFT TO ROTATE SAID CUTTER BAR, TWO DETACHABLE GRASS CUTTING BLADES MOUNTED RESPECTIVELY, ON SAID TWO BLADE RECEIVING END PORTIONS OF SAID CUTTER BAR AND ENGAGING A SLOT, AND HOLDING MEANS RESIDING IN A RESILIENT ELEMENT INCLUDING A LEG PORTION EXTENDING ACROSS A SLOT TO HOLD AND GRASS CUTTING BLADE IN POSITION ON SAID CUTTER BAR AND IN SLOT TO CUT GRASS WITH THE ROTATION OF SAID CUTTER BAR, SAID TWO DETACHABLE GRASS CUTTING BLADES BEING OFFSET TO PROVIDE GRASS CUTTING SECTIONS DISPOSED IN A PLANE BELOW THE PLANE OF SAID END PORTIONS OF SAID ELONGATED CUTTER BAR, AND EACH OF SAID TWO GRASS CUTTING BLADES HAVING AN ELONGATES CHANNEL, PARALLEL TO SAID LONGITUDINAL AXIS WHEN LOCATED IN A SLOT, FOR RECEIVING GRASS CLIPPINGS SEVERED BY SAID BLADE AND DISCHARGING SAID CLIPPINGS RADIALLY OF THE ROTATIVE PATH OF SAID BLADE.