Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
E05B37/00—Permutation or combination locks; Puzzle locks
E05B37/0031—Locks with both permutation and key actuation
E05B37/0037—Locks with both permutation and key actuation with a key requiring successive operations, e.g. different mechanisms in a predetermined order