Adjustable high chair

Claim 1

A HIGH CHAIR COMPRISING A SUPPORTING BASE INCLUDING DOWNWARDLY DIVERGING LEG MEMBERS INTERCONNECTED BY BRACES, LONGITUDINALLY EXTENDING TOP RAILS INTEGRAL WITH THE FRONT LEGS, THE REAR LEGS INCLUDING FORWARDLY EXTENDING PORTIONS DISPOSED INWARDLY AND ALONGSIDE OF THE TOP RAILS AND TERMINATING IN A TRANSVERSE MEMBER, A SEAT MEMBER RIGIDLY SECURED BETWEEN SAID TOP RAILS, A SEAT BACK MEMBER EXTENDING UPWARDLY FROM THE TOP RAILS, MEANS ADJUSTABLY AND RIGIDLY ATTACHING THE SEAT BACK TO THE TOP RAILS FOR FORE AND AFT ADJUSTMENT OF THE SEAT BACK IN RELATION TO THE SEAT MEMBER, SAID BASE INCLUDING A PAIR OF ARMS PROJECTING UPWARDLY FROM THE REAR THEREOF AND EXTENDING HORIZONTALLY FORWARDLY IN VERTICALLY SPACED RELATION TO THE EDGES OF THE SEAT, MEANS SLIDABLY INTERCONNECTING THE ARMS AND THE SIDE EDGES OF THE SEAT BACK IN SPACED RELATION TO THE CONNECTION BETWEEN THE SEAT BACK AND THE TOP RAILS THUS RIGIDIFYING AND STABILIZING THE SEAT BACK, A TRAY REMOVABLY AND ADJUSTABLY MOUNTED ON THE HORIZONTALLY DISPOSED ARMS FORWARDLY OF THE SEAT BACK AND IN OVERLYING RELATION TO THE SEAT, MEANS RELEASABLY SECURING THE TRAY IN LONGITUDINALLY ADJUSTED POSITION ON THE ARM, A PAIR OF DEPENDING SUPPORT MEMBERS AT THE FORWARD EDGE OF THE SUPPORTING BASE, A TRANSVERSE FOOTBOARD EXTENDING ACROSS THE DEPENDING SUPPORT MEMBERS, AND BRACKET MEANS ADJUSTABLY CONNECTING THE FOOTBOARD WITH THE SUPPORT MEMBERS.