Deal drawer

Claim 1

IN A BANK TELLER WINDOW UNIT INCLUDING A GENERALLY UPRIGHT OUTER WALL HAVING A GENERALLY HORIZONTAL COUNTER EXTENDING INWARDLY THEREFROM, A DEAL DRAWER OPERATIVELY ASSOCIATED WITH SAID COUNTER HAVING HORIZONTAL MOVEMENT RELATIVE TO SAID COUNTER AND WALL BETWEEN A CUSTOMER ACCESS POSITION WHEREIN A FORWARD RECEPTACLE PORTION OF SAID DRAWER PROJECTS OUTWARDLY OF SAID WALL THROUGH AN APERTURE THEREIN AND A TELLER ACCESS POSITION WHEREIN SAID PORTION IS RETRACTED INWARDLY OF SAID WALL, SAID DRAWER HAVING A BOTTOM WALL AND A PAIR OF SIDE WALLS, THE IMPROVEMENT COMPRISING A DOOR AT THE FRONT OF SAID DRAWER HINGED TO SAID DRAWER TO BE MOVABLE OUTWARDLY AND DOWNWARDLY FROM ITS CLOSED POSITION TO AN OPEN POSITION FOR ACCESS TO SAID RECEPTACLE PORTION AND MEANS FOR MOVEMENT OF SAID DRAWER RELATIVE TO SAID COUNTER AND FOR COORDINATE MOVEMENT OF SAID DOOR RELATIVE TO SAID DRAWER, SAID MEANS INCLUDING A LINKAGE HAVING A ROCK ARM PIVOTED INTERMEDIATE ITS ENDS UPON ONE OF SAID SIDE WALLS, A FIRST CONNECTING LINK PIVOTALLY CONNECTED TO BOTH SAID ARM ON ONE SIDE OF ITS WALL PIVOT AND TO SAID DOOR AND A SECOND CONNECTING LINK PIVOTALLY CONNECTED TO SAID ARM ON THE OTHER SIDE OF ITS WALL PIVOT, SAID PIVOTS BEING LOCATED AND OPERABLE TO PERMIT MOVEMENT OF SAID SECOND LINK IN ONE DIRECTION TO SIMULTANEOUSLY MOVE SAID FIRST LINK IN A FIRST DIRECTION TO OPEN SAID DOOR ABOUT ITS HINGE AXIS AND TO PERMIT MOVEMENT OF SAID SECOND LINK IN THE OPPOSITE DIRECTION TO SIMULTANEOUSLY MOVE SAID FIRST LINK IN A SECOND DIRECTION TO CLOSE SAID DOOR WHEN SAID DRAWER IS MOVED BETWEEN ITS CUSTOMER AND TELLER POSITIONS, RESPECTIVELY.