| 摘要 |
<p>A high security lock includes a lock housing, lock cylinder and a lock core. The lock housing defines a key receiving surface and a cavity for receiving the lock cylinder. A cover plate is attached to the lock housing and is located between the lock cylinder and the key receiving surface. The cover plate covers a portion of the lock core. A retaining shield is received in the cavity, which engages the cover plate and is attached within the cylinder.</p> |
