Locks – Operating mechanism – Key
Patent
1995-03-06
1997-11-04
Dino, Suzanne
Locks
Operating mechanism
Key
70378, 70409, 70411, E05B 2700
Patent
active
056827792
ABSTRACT:
A cylinder lock having a changeable key combination, the cylinder lock including a cylinder housing defining a bore, a plug arranged in the bore and defining a keyway and at least one plug pin disposed in the plug along at least one plug pin axis and communicating with the keyway, the at least one plug pin having a key engagement end face communicating with the keyway, the key engagement end face being configured such that rotation of the plug pin about the plug pin axis effects a change in the key combination of the cylinder lock and wherein the cylindrical housing defines at least one access opening which permits access to the at least one plug pin for selectable rotational positioning thereof for changing the key combination of the cylinder lock by means of rotation of the at least one plug pin about the at least one plug pin axis. Various keys suitable for use with the lock are also described and claimed.
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