| 摘要 |
A maximum security padlock having a shielding plate recessed and retained in the lock casing to minimize exposure of the lock's replaceable key cylinder permitting only limited access to the key slot therein. The shielding plate is dovetailed into a complementary recess in the bottom of the casing and cooperates therewith to provide a flush, crevice-free padlock closure case around the lock mechanism. A pair of retaining members secure the shielding plate in the casing and accommodate release of the plate, to replace the key cylinder, only when the lock is in an unlocked condition.
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