Trimmer attachment for power lawn mower

Claim 1

A LAWN EDGING AND TRIMMING ATTACHMENT FOR POWER LAWN MOWERS OF THE TYPE HAVING A SUPPORT FRAME TOGETHER WITH A ROTATABLE GRASS MOVING ELEMENT MOUNTED UPON SAID FRAME AND A SOURCE OF POWER ON SAID FRAME CONNECTED TO SAID ELEMENT, SAID ATTACHMENT COMPRISING A BASE, MEANS MOUNTING SAID BASE ON SAID FRAME AT ONE END THEREOF OF THE LATTER, A CARRIAGE TILTABLY MOUNTED ON AND PIVOTED AT ITS REAR END TO THE REAR OF SAID BASE AND OVERLYING SAID BASE, AN EDGER SHAFT EXTENDING TRANSVERSELY OF SAID FRAME, MEANS JOURNALING SAID SHAFT UPON SAID CARRIAGE, AN EDGER BLADE SECURED UPON SAID SHAFT AND DISPOSED IN LATERALLY SPACED RELATION TO SAID FRAME, SAID CARRIAGE AND SAID SHAFT EXTENDING FORWARDLY BEYOND SAID FRAME, DRIVING MEANS CONNECTING SAID SHAFT TO SAID SOURCE OF POWER, MEANS FOR ADJUSTABLY TILTING SAID CARRIAGE ABOUT A HORIZONTAL AXIS FOR VERTICALLY ADJUSTING SAID EDGER BLADE, SAID TILTING MEANS COMPRISING A MEMBER EXTENDING TRANSVERSELY OF SAID BASE AND CARRIAGE AND PIVOTED ITS LOWER END TO THE FORWARD PORTION OF SAID BASE, SAID MEMBER HAVING A SUPPORTING SURFACE SLIDABLY ENGAGING THE UNDERSIDE OF SAID CARRIAGE AND AN ACTUATOR PIVOTED TO SAID MEMBER FOR EFFECTING SWINGING OF THE LATTER FOR TILTING OF THE CARRIAGE.