Tool for scribing lines on siding

Claim 1

FOR USE IN SCRIBING A PIECE OF SIDING HAVING AN UPPER EDGE AND A LOWER EDGE AND TWO ENDS, A TOOL COMPRISING AN ELONGATED BASE, SAID BASE BEING FORMED WITH A FLANGE ADAPTED TO ENGAGE SAID LOWER EDGE OF SAID PIECE, A BODY EXTENDING FROM SAID BASE, SAID BASE EXTENDING BOTH WAYS FROM SAID BODY, SAID BODY HAVING TWO EDGES PERPENDICULAR TO SAID FLANGE ON SAID BASE, ARM MEANS MOVABLY ATTACHED TO SAID BASE NEAR ITS EXTREME POINTS FROM SAID BODY, SAID ARM MEANS BEING ADAPTED TO ENGAGE SAID BODY NEAR SAID TWO EDGES TO FORM SLOPING EDGES, SAID BODY BEING FORMED WITH A SLOT EXTENDING SUBSTANTIALLY PARALLEL TO THE TWO EDGES, PENCIL MEANS ON SAID BODY ADAPTED TO BE ADJUSTABLY LOCATED WITHIN THE LENGTH OF SAID SLOT, SAID PENCIL MEANS BEING THEREBY ENGAGEABLE WITH SAID PIECE, TAPE MEASURE MEANS MOUNTED ON SAID BODY HAVING A TAPE EXTENDING THEREFROM, SAID TAPE EXTENDING UNDER AT LEAST ONE OF SAID TWO EDGES OF SAID BODY AND UNDER AT LEAST ONE OF SAID SLOPING EDGES, SAID TAPE HAVING A HOOKED END ADAPTED TO ENGAGE AN END OF SAID PIECE WHEREBY THE DISTANCE OF SAID END FROM BOTH SAID SLOPING EDGE AND SAID EDGE OF THE BODY CAN BE DIRECTLY READ, AND MOVABLE MEANS FOR HOLDING SAID TOOL TO SAID PIECE INCLUDING CLIP MEANS SLIDABLY MOUNTED ON SAID BODY, SAID CLIP MEANS BEING FORMED WITH FLANGES ADAPTED TO ENGAGE THE UPPER EDGE OF SAID PIECE, AND SPRING MEANS ENGAGING SAID CLIP MEANS TO HOLD SAID FLANGES RESILIENTLY AGAINST SAID UPPER EDGE.