Patent ID: 8122609

Claim:
A step and rafter tool to be used as a guide for marking cut lines on boards to be used as stair stringers or roof rafters comprising: a framing square, said framing square comprising two faces and two legs, the first face containing a first set of marks and indicia, and a first reference table useful in setting up said tool for stair stringer marking, the second face containing a second set of marks and indicia, and a second reference table useful in setting up said tool for roof rafter marking, said two legs having formed therein longitudinal slots which are approximately 90% of the length of said legs; said two legs of said framing square are one and one half inches wide and wherein said longitudinal slots provide a first edge which is ¾ inch from an outer edge of said leg of said framing square and a second edge which is ⅜ inch from said outer edge of said leg of said framing square for handy marking guides; an angle bracket comprising two flanges including a first flange and a second flange; means for removably clamping a first flange of said angle bracket to a face of said framing square; and said first flange of said angle bracket having formed therein two central longitudinal slots each of which is approximately 40% of the length of said first flange wherein said first flange is held in a face-to-face relationship to a face of said framing square and said two central longitudinal slots in said first flange overlap said longitudinal slots in said framing square forming two apertures wherein said clamping means are inserted therethrough and tightened, said second flange of said angle bracket providing a broad tool-supporting surface which may come to bear and slide along a narrow side of a board to be marked.