Apparatus with vertical and lateral movable means for handling groups of radioactivesamples

Claim 1

IN A MECHANISM FOR TRANSFERRING GROUPS OF RADIOACTIVE SAMPLES FROM POINTS OF STORAGE DEFINED BY VERTICALLY SPACED SHELVES TO A DETECTOR, THE COMBINATION COMPRISING, A PLATFORM ALIGNED WITH SAID DETECTOR, A CARRIAGE RIGIDLY SECURED TO SAID PLATFORM, MEANS FOR EFFECTING VERTICAL MOVEMENT OF SAID CARRIAGE, A STACK OF TRAY STORAGE SHELVES POSITIONED ADJACENT TO THE PATH OF VERTICAL MOVEMENT OF SAID PLATFORM, A TRANSFER YOKE CARRIED MOVEMENT OF AND MOUNTED FOR LATERAL MOVEMENT RELATIVE THERETO, MEANS FOR SHIFTING SAID YOKE TO A POINT SYMMETRICALLY DISPOSED ABOUT SAID STACK OF TRAY STORAGE SHELVES, MEANS FOR SHIFTING SAID CARRIAGE AND SAID TRANSFER YOKE VERTICALLY WHILE SAID YOKE IS SYMMETRICALLY DISPOSED ABOUT SAID STACK SO AS TO OPERATIVELY ENGAGE SAID YOKE WITH TRAYS IN SAID STACK, MEANS FOR SHIFTING SAID YOKE INWARDLY TOWARDS SAID PLATFORM TO SLIDE A TRAY OF SAMPLES LATERALLY THEREFROM ONTO SAID PLATFORM, MEANS FOR LOWERING SAID PLATFORM TO POSITION SAID TRAY IN ALIGNMENT WITH SAID DETECTOR, MEANS FOR RETURNING SAID TRAY TO A POINT ALINED WITH ITS ASSOCIATED SHELF, MEANS FOR SHIFTING SAID YOKE OUTWARDLY TOWARDS SAID ASSOCIATED SHELF TO RETURN SAID TRAY TO THE SHELF, AND MEANS FOR STEPPING SAID PLATFROM AND SAID YOKE VERTICALLY THROUGH ALL OF SAID SHELVES TO SELECT TRAYS LOCATED THEREON IN SERIATIM ORDER.