| 摘要 |
A locking system comprising a lock having a shackle inserted within a lock body and a locking mechanism within the lock body that is locked and unlocked by rotation of a key inserted into keyed access means on the locking mechanism, wherein said keyed access means is housed within a protective enclosure which prevents engagement and rotation of the keyed access means by common tools, said protective enclosure housing the keyed access means having an outer wall hiding operative components of the keyed access means from view and preventing the co-axial direct access to the keyed access means by tools in an effort to engage and rotate the keyed access means and wherein a slot is provided within the outer wall to permit a key to be inserted from the side and then pushed into engagement with the keyed access means.
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