Twin lock for multi-food containers

Claim 1

A COUPLING DEVICE FOR DETACHABLY ENGAGING CYLINDRICAL VESSELS IN ALIGNMENT, COMPRISING TWO GENERALLY LSHAPED KEEPERS, A FIRST ONE OF SAI KEEPERS HAVING A FIRST BASE FLANGE STRUCTURE ATTACHABLE TO A WALL OF ONE OF THE VESSEL, A FIRST SPACER FLANGE STRUCTURE EXTENDING OUTWARDLY OF THE BASE FLANGE STRUCTURE, A FIRST KEEPER FLANGE STRUCTURE INTEGRAL WITH THE SPACER FLANGE STRUCTURE AND DISPOSED PARALLEL TO THE BASE FLANGE STRUCTURE TO DEFINE A FIRST RECESS WITH THE SPACER FLANGE STRUCTURE, SAID KEEPER FLANGE STRUCTURE HAVING A FIRST L-SHAPED SLOT CLOSED AT OPPOSITE ENDS; A SECOND ONE OF SAID KEEPERS HAVING A SECOND BASE FLANGE STRUCTURE ATTACHABLE TO A WALL OF ANOTHER OF THE VESSELS, A SECOND SPACER FLANGE STRUCTURE EXTENDING OUTWARDLY OF SAID SECOND BASE FLANGE STRUCTURE, A SECOND KEEPER FLANGE STRUCTURE INTEGRALLY WITH SAID SECOND SPACER FLANGE STRUCTURE TO DEFINE A SECOND RECESS WITH THE SECOND SPACER FLANGE STRUCTURE, SAID SECOND KEEPER FLANGE STRUCTURE HAVING A SECOND L-SHAPED SLOT CLOSED AT ONE END AND OPEN AT THE OTHER END; AND A LINK HAVING A U-SHAPED STRUCTURE WITH A STRAIGHT, LONG BIGHT HANDLE, TWO SHORT ARMS EXTENDING PERPENDICULARLY TO OPPOSITE ENDS OF THE HANDLE, AND TWO PLATES SECURED TO ENDS OF SAID SHORT ARMS AND CENTERED TO DEFINE ANNULAR FLANGES ALL AROUND THE ENDS OF THE ARMS, SAID HANDLE BEING DISPOSED PARALLEL TO AND SPACED FROM THE FIRST KEEPER FLANGE STRUCTURE, ONE OF SAID ARMS EXTENDING THROUGH THE FIRST SLOT WITH ONE OF SAID PLATED SLIDABLY ENGAGED BEHIND EDGES OF SAID FIRST SLOT IN THE RECESS, MEANS RETAINING SAID LIND CAPTIVE IN SAID FIRST SLOT, THE OTHER OF SAID ARMS BEING INSERTABLE THROUGH THE OPEN END OF THE SECOND SLOT AND MOVABLE THEREALONG TO ITS CLOSED END WITH THE OTHER OF SAID PLATES SLIDABLY ENGAGED BEHIND EDGES OF SAID SECOND SLOT, WHEREBY THE TWO KEEPERS ARE COUPLED TOGETHER BY SAID LINK WHEN IN A COUPLING POSITION AT ONE CLOSED END OF EACH SLOT IN EACH KEEPER.