Multiple groove apparatus and method

Claim 1

IN AN APPARATUS FOR THE PRODUCTION OF A PLURALITY OF SIMILAR GROOVES IN THE FACE OF A WOOD PANEL AND THE LIKE, THE PANEL BEING FED SEQUENTIALLY INTO AND THROUGH THE APPARATUS, EACH GROOVE AS IT IS FORMED HAVING ONE SIDE WALL DISPOSED AT AN INCLUDED ANGLE BETWEEN THE LIMITS OF FORTY-FIVE AND SEVENTY DEGREES TO THE FACE OF THE PANEL, AND INCLUDING A TRANSPORTING MEANS FOR FEEDING THE PANEL TO, THENCE THROUGH A LIKE PORTION OF THE PERIPHERAL PATH OF EACH OF A PLURALITY OF SELECTIVELY SPACED SAW BLADES AND FINALLY FROM THE PATH OF THE SAWS, EACH OF THE SAW BLADES DRIVEN AT A SELECTED SPEED, WHEREIN THE GROOVING APPARATUS COMPRISES: (A) A PAIR OF INLET AND A PAIR OF OUTLET ROLLERS EACH INFINITELY AND POSITIVELY ADJUSTABLE WITHIN DETERMINED MAXIMUM LIMITS TOWARD AND AWAY FROM EACH OTHER AND EACH ROLLER ADJUSTABLE TOWARD AND AWAY FROM A GIVEN SUPPORT PLANE, ONE OF EACH OF THE PAIRS OF ROLLERS ROTATED TO PROVIDE A POSITIVE AND CONTROLLED MEANS FOR ADVANCING A PANEL THROUGH THE APPARATUS WHEN THE ROLLERS HAVE BEEN ADJUSTED TO POSITIVE POSITIONS TO PROVIDE A SPACE THEREBETWEEN, SAID SPACE BEING LESS THAN THE MAXIMUM THICKNESS OF THE PANEL SO THAT THE PANEL IS GRIPPED WITH A TRACTIVE EFFECT AS IT IS PASSED THROUGH EACH EACH SET OF ROLLERS; (B) A CENTER SUPPORT BETWEEN THE PAIRS OF INLET AND OUTLET ROLLERS AND ADAPTED TO PROVIDE A SUPPORT SURFACE FOR ESTABLISHING AND MAINTAINING THE PANELING ON A DETERMINED SUPPORT PLANE AS THE PANEL IS PASSED THROUGH THE APPARATUS, AND (C) FOR EACH SAW BLADE A SEPARATE ARBOR DISPOSED AT AN ANGLE BETWEEN THE LIMITS OF TWENTY AND FORTY-FIVE DEGREES INCLUDED ANGLE TO THE FACE OF THE PANEL AS IT IS MOVED THROUGH THE APPARATUS.