| 摘要 |
<p>A key for use in a high security cylinder lock (1) and key (2) system comprising a cylindrical shell (140), a key plug (130) which is rotatably mounted in the shell (140), a longitudinal key slot (100) in the key plug, and at least one locking tumbler assembly cooperating with a key being inserted into the lock. The key comprises a key blade (200) having, at a side surface thereof, a longitudinally extending coded side surface (203) with longitudinally spaced code surface portions (204, 205) located pair-wise at elevationally specific and generally different levels.</p> |
