Protective locks and key control

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Transcript of Protective locks and key control

  • 1. Protective locks and keys Law enforcement administration II
  • 2. What is lock? A lock is a mechanical or electronic fastening device that is released by a physical object (such as a key, keycard, fingerprint, and RFID) designed to prevent entry into building, room, container or hiding place.
  • 4. WARDED LOCK is a type of lock that uses a set of obstructions, or wards, to prevent the lock from opening unless the correct key is inserted.
  • 5. Disc tumbler lock is a lock composed of slotted rotating detainer discs.
  • 6. Pin tumbler lock a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key widely used in doors of offices and houses.
  • 7. Lever lock is a type of lock that uses a set of levers to prevent the bolt from moving in the lock.
  • 8. Combination lock - is a sequence of numbers or symbols is used to open the lock.
  • 9. Code-operated lock this opens by pressing a series of numbers buttons in proper sequence.
  • 10. Card-operated lock coded cards whether notched, embossed or embedded with magnetic-fuels are inserted to open
  • 11. Padlock are portable or detachable locks with a movable shackle
  • 12. What is key? A key is a device that is used to operate a lock. A typical key is a small piece of metal consisting of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that torque can be applied by the user.
  • 13. Types of keys 1.Change key-a specific key, which operates the lock and has a particular combinations of cuts which match the arrangement of the tumblers in the lock. 2.Sub master key- a key that will open all the lock within a particular area or grouping in given facility. 3.Master key- a special key capable of opening series of lock. 4.Grand master key- a key that will open everything in a system involving two or more master key groups.
  • 14. Key control Key Control refers to various methods for making sure that certain keys are only used by authorized people. This is especially important for master key systems with lots of users.
  • 15. of key control measures by responsible persons. What is the purpose of Key Control? 1. To control the issue, use and storage of keys and reserve key locks 2. To control reproduction of duplicate keys 3. To control lock rotation and or replacement 4. To maintain record on all of the above 5. To ensures proper supervisions of key control measures by responsible persons.