LOCK CYLINDER ASSEMBLY WITH A KEY MADE OF KEY BLANK AND CYLINDER LOCK WITH A KEY INCORPORATING SUCH ASSEMBLY

摘要

A key blank including a generally elongate shaft portion defining a key combination surface adapted to have formed thereon key cuts which define a key combination, at least one movable insert element retained within the elongate shaft portion, the movable insert element being displaceable in a single direction, outwardly from the key combination surface.