Mower blade

Claim 1

A CUTTING BLADE FOR A ROTARY TYPE MOWER COMPRISING AN ELONGATED BODY HAVING SUBSTANTIALLY HORIZONTAL ENDS, SAID BODY HAVING FORWARD AND REARWARD SIDES AT EACH OF ITS ENDS WITH RESPECT TO THE DIRECTION OF ORBIT AND WITH THE REARWARD SIDE OF EACH END BEING UPTURNED, CUTTERS HAVING VERTICAL ATTACHMENT OPENINGS, SAID CUTTERS BEING DISPOSED ONE AT EACH END OF AND LAPPING SAID BODY, SAID CUTTERS EACH PROJECTING BEYOND THE RESPECTIVE ADJACENT FORWARD SIDE PORTIONS OF SAID BODY, TWO RELEASABLE CLAMPING FASTENER MEANS EACH PIVOTALLY CONNECTING SAID CUTTERS TO SAID ENDS FOR ROTATION OF EACH CUTTER ABOUT A VERTICAL AXIS, SAID FASTENER MEANS EACH HAVING A VERTICAL PORTION EXTENDING THROUGH A RESPECTIVE CUTTER OPENING AND A RESPECTIVE ATTACHMENT OPENING, SAID FASTENER MEANS EACH FURTHER HAVING A RELEASABLE CLAMPING MEANS FORMING A PART THEREOF AND ADAPTED TO CLAMP SAID CUTTER AGAINST SAID BODY WITH A FORCE SUFFICIENT FOR SUBSTANTIALLY PREVENTING ROTATION OF EACH CUTTER ABOUT ITS SAID AXIS DURING MOWING, THE OUTER EDGE OF EACH OF SAID CUTTERS EXTENDING BEYOND SAID BODY AND BEING AT LEAST SUFFICIENTLY THIN AS TO EFFECTIVELY CUT GRASS IN USE.