Combination locks

Claim 1

A COMBINATION LOCK, COMPRISING AN OUTER STATIONARY CYLINDER HAVING A SERIES OF RADIASLLY DISPOSED BORES OPENING THROUGH ITS INNER PERIPHERY, SPRING PRESSED PINS IN SAID BORES, AN INNER CYLINDER ROTATABLE IN THE OUTER CYLINDER HAVING A SERIES OF RADIALLY DISPOSED BORES IN ALIGNMENT WITH SAID BORES IN SAID OUTER CYLINDER, EACH OF SAID BORES IN SAID INNER CYLINDER HAVING A BALL MAGAZINE OFFSET THEREFROM, EACH BALL MAGAZINE BEING OPEN AT ITS OUTER AND INNER END, BALLS IN EACH BALL MAGAZINE, TUMBLERS IN THE BORES OF THE INNER CYLINDER, A CORE CONNECTIBLE TO A LOCKING BOLT, SAID CORE BEING ROTATABLE IN THE INNER CYLINDER SAID CORE HAVING A PLURALITY OF OPENENDED BORES AND A KEYWAY IN SAID CORE INTO WHICH THE BORES OPEN, SAID INNER CYLINDER HAVING A SECOND SERIES OF BORES IN LONGITUDINAL ALIGNMENT WITH THE OUTER CYLINDER BORES BUT BEING LATERALLY OFFSET WITH RESPECT THERETO, A SPRING PRESSED LOCKING MEMBER IN ONE OF THE BORES OF THE SECOND SERIES OF BORES IN SAID INNER CYLINDER, A TUMBLER IN SAID ONE BORE, SAID OUTER CYLINDER HAVING MEANS TO RECEIVE SAID LOCKING MEMBER, A COMBINATION KEY INSERTABLE INTO THE KEYWAY AND A GUEST KEY INSERTABLE IN THE KEYWAY TO FORM A NEW COMBINATION, THE BORES OF THE INNER CYLINDER AND CORE BEING AT SUCH TIME IN LONGITUDINAL ALIGNMENT WITH THE OUTER CYLINDER BORES AND THE LOCKING MEMBER BEING OUT OF ENGAGEMENT WITH THE OUTER STATIONARY CYLINDER.