Saw and miter guide

Claim 1

A PORTABLE SAW AND MITRE GUIDE COMPRISING: A RECTANGULAR WORK PIECE-SUPPORTING LOWER TABLE HAVING SIDE, FRONT AND REAR EDGES; A RECTANTGULAR UPPER TABLE TO SUPPORT A PORTABLE POWER DRIVEN ROTARY SAW INCLUDING A BASE HAVING AN UNDERNEATH FRONT-TO-REAR STRAIGHT GUIDE GROOVE, SAID UPPER TABLE BEING ARRANGED WITH ITS SIDE EDGES PARALLEL TO THE CORRESPONDING SIDE EDGES OF THE LOWER TABLE; A TRACK MEMBER EXTENDING ALONG THE TOP FACE OF THE UPPER TABLE PARALLEL TO THE SIDE EDGES THEREOF FOR GUIDING ENGAGEMENT WITH THE SAW BASE GUIDE GROOVE; SPACING MEANS TO SUPPORT THE UPER TABLE IN PARALLEL SPACED RELATION ABOVE THE LOWER TABLE AND THEREBY PROVIDE A TRANSVERSE THROUGH WORK PIECE-PASSAGE THEREBETWEEN; WORK PIECE ANGLE-POSITIONING GUIDE STOPS DISPOSED BETWEEN THE UPPER AND LOWER TABLES FOR BACKING ABUTMENT AGAINST EACH WORK PIECE INSERTED INTO THE THROUGH WORK PIECE PASSAGE; AT LEAST ONE SIDE EDGE PORTION OF THE LOWER TABLE HAVING A STRAIGHT LONGITUDINAL GROOVE IN ITS UPPER FACE; FORE-AND-AFT ADJUSTABLE SUPPLEMENTARY WORK PIECE ANGLE-POSITIONING GUIDE STOP MEANS INCLUDING A C-SHAPED CLAMP BODY EMBRACING THE GROOVED EDGE PORTION OF THE LOWER TABLE AND HAVING A STATIONARY LOWER JAW UNDERLYING SAID EDGE PORTION; A VERTICALLY ADJUSTABLE CLAMPING SCREW IN SCREW-THREADED ENGAGEMENT WITH THE UPPER PORTION OF SAID CLAMP BODY; A MOVABLE JAW SWIVELED ON THE LOWER END OF SAID CLAMPING SCREW AND BEING OF DISK-SHAPE HAVING A CYLINDRICAL OUTER PERIPHERAL STOP FACE AND A DIAMETRICAL SPLINE PROVIDED ON THE UNDERNEATH FACE OF SAID MOVABLE JAW FOR LONGITUDINAL SLIDING ENGAGEMENT WITH THE GROOVE OF SAID LOWER TABLE.