Adjustable neck construction for guitars and the like

Claim 1

A GUITAR, WHICH COMPRISES, A BODY, AN ELONGATED WOODEN NECK BASE CONNECTED AT ONE END TO SAID BODY, SAID NECK BASE BEING FORMED OF A FIRST TYPE OF WOOD, SAID NECK BASE HAVING AN UPPER SURFACE WHICH IS CURVED ABOUT AN IMAGINARY AXIS DISPOSED SUBSTANTIALLY BELOW AND GENERALLY PARALLEL TO SAID NECK BASE, THE UPPER SIDE OF SAID NECK BASE HAVING A NARROW GROOVE FORMED LONGITUDINALLY THEREIN FOR THE MAJORITY OF THE LENGTH THEREOF AND DISPOSED IN A PLANE WHICH IS GENERALLY PERPENDICULAR TO SAID UPPER SURFACE AND LIES MIDWAY BETWEEN THE EDGES OF SAID UPPER SURFACE, ELONGATED METAL TRUSS ROD MEANS DISPOSED LONGITUDINALLY IN SAID GROOVE, SAID TRUSS ROD MEANS INCLUDING ADJUSTABLE MEANS TO VARY THE DEGREE OF TENSION IN SAID TRUSS ROD MEANS, AN INLAY ELEMENT MOUNTED IN SAID GROOVE ABOVE SAID TRUSS ROD MEANS, A THIN WOODEN FRET BOARD DISPOSED ON SAID UPPER SURFACE OF SAID NECK BASE, SAID FRET BOARD BEING FORMED OF A SECOND TYPE OF WOOD DIFFERENT FROM SAID FIRST TYPE OF WOOD, SAID FRET BOARD HAVING PARALLEL UPPER AND LOWER SURFACES WHICH ARE CURVED ABOUT SAID IMAGINARY AXIS, SAID LOWER FRET BOARD SURFACE BEING IN ENGAGEMENT WITH AND ADHESIVELY SECURED TO SAID UPPER SURFACE OF SAID NECK BASE, AND A PLURALITY OF STRINGS MOUNTED IN TENSIONED RELATIONSHIP OVER SAID FRET BOARD AND OVER A PORTION OF SAID BODY, SPACING BETWEEN SAID STRINGS AND SAID FRET BOARD BEING DETERMINED IN PART BY SAID ADJUSTABLE MEANS FOR VARYING THE DEGREE OF TENSION IN SAID TRUSS ROD MEANS.