Instrument tray

Claim 1

A SET-UP TRAY FOR DENTAL INSTRUMENTS AND THE LIKE, COMPRISING FIRST AND SECOND DISSIMILAR AND SEPARABLE TRAY SECTIONS EACH HAVING A BOTTOM WALL PROVIDED WITH SPACED APART SUPPORT ELEMENT FOR RECEIVING AND SUPPORTING ELONGATED DENTAL IMPLEMENTS AND THE LIKE OF VARIOUS CONFIGURATION AND DIMENSION AND PROVIDED ALSO WITH RELATIVELY UNOBSTRUCTED AREAS INTERMEDIATE SAID SUPPORT ELEMENTS TO FACILITATE DENTAL IMPLEMENT RETRIEVAL, AND SUPPORT STRUCTURE FOR REMOVABLY SUPPORTING SAID SECOND TRAY SECTION AND INCLUDING AN UPWARDLY EXTENDING PERIMETRIC LIP PROVIDED BY SAID FIRST TRAY SECTION AND ENLARGING UPWARDLY ALONG THE LONGITUDINAL EDGES THEREOF TO PROVIDE SIDE WALLS OF GREATER HEIGHT THAN THE END WALLS WHEREBY DENTAL IMPLEMENT RETRIEVAL OVER SAID END WALLS IS FACILITATED, SAID SUPPORT STRUCTURE ALSO INCLUDING A PAIR OF DOWNWARDLY OPENING LONGITUDINALLY EXTENDING CHANNELS PROVIDED BY SAID SECOND TRAY SECTION AND BEING RESPECTIVELY ADAPTED TO REMOVABLY RECEIVE SAID SIDE WALLS THEREIN AND BEING LONGITUDINALLY MOVABLE THEREALONG TO AFFORD ADJUSTMENT OF THE RELATIVE LONGITUDINAL POSITION OF SAID TRAY SECTIONS, SAID SIDE WALLS AND CHANNELS BEING COOPERATIVELY INTERRELATED TO DISPOSED THE BOTTOM WALLS OF SAID TRAY SECTIONS IN SPACED APART RELATION TO PROVIDE A PREDETERMINED CLEARANCE THEREBETWEEN FOR ACCOMMODATING DENTAL IMPLEMENTS SUPPORTED UPON THE BOTTOM WALLS OF SAID FRIST TRAY SECTION, SAID CHANNELS BEING DEFINED AT LEAST IN PART BY WALL PORTIONS THAT EXTEND UPWARDLY FROM THE BOTTOM WALL OF SAID SECOND TRAY SECTION TO A LOCATION ABOVE THE SUPPORT ELEMENTS ASSOCIATED THEREWITH.