Guide for portable saws

Claim 1

A GUIDE FOR A POWER SAW MEANS FOR MAKING A STRAIGHT CUT THROUGH A BOARD COMPRISING A MAIN BASE PLATE HAVING A PLANAR BOTTOM SURFACE, A PAIR OF PARALLEL SPACED GIBS ON SAID PLATE ALONG THE LENGTH THEREOF INTEGRAL THEREWITH POSITIONED IN PARALLEL SPACED RELATION WITH SAID BOTTOM SURFACE, SAID PLATE HAVING AN OPEN SLOT FROM ONE SIDE THEREOF PARALLEL AND BETWEEN SAID GIBS A PREDETERMINED DISTANCE THROUGH SAID PLATE FROM THE SAID ONE SIDE, AN INTEGRAL CLAMP MEANS ON EACH SIDE OF SAID SLOT POSITIONED AT THE SAID ONE END OF SAID PLATE EXTENDING DOWNWARD A PREDETERMINED DISTANCE FROM SAID BOTTOM SURFACE HAVING COPLANAR INNER REGISTER SURFACES AT A RIGHT ANGLE TO SAID BOTTOM SURFACE AND SAID SLOT, EACH OF SAID CLAMP MEANS HAVING AN INTEGRAL INWARD EXTENDING PORTION IN SPACED RELATION FROM SAID BOTTOM SURFACE INCLUDING A THREADED HOLE THEREIN NORMAL THERETO, A THUMB SCREW THREADED INTO EACH OF SAID HOLES FOR INDEPENDENTLY ENGAGING THE UNDER SIDE OF SAID BOARD FOR HOLDING SAME WHEN ONE EDGE THEREOF IS POSITIONED AGAINST SAID REGISTER SURFACES AND THE UPPER SIDE OF SAID BOARD IS POSITIONED AGAINST SAID BOTTOM SURFACE, A POWER SAW MEANS INCLUDING A GUIDE SHOE SLIDABLY ENGAGED WITH SAID GIBS FOR RECIPROCATING MOVEMENT ALONG SAID GIBS WITH THE DRIVEN BLADE OF SAID SAW MEANS EXTENDING DOWNWARD THROUGH SAID SLOT WHEREBY A BOARD CLAMPED AGAINST SAID BOTTOM SURFACE WILL BE STRAIGHT SAWED WHEN SAID SAW MEANS IS OPERATED AND RECIPROCATED ALONG SAID GIBS.