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A common type of wafer tumbler lock, usually found on desk drawers, office cabinets, lockers and electrical panels. A wafer tumbler lock is a type of lock that uses a set of flat wafers to prevent the lock from opening unless the correct key is inserted. This type of lock is similar to the pin tumbler lock and works on a similar principle ...
Lock bumping takes only an instant to open the lock. The lock is not visibly damaged, although the force of the bump can leave an indentation on the front of the cylinder. Certain clicking and vibrating tools designed for bumping can also be used. These allow for rapid repetition of bumping.
Three point lock are also commonly used in wardrobes, like from Hettich [6] [7] Single-point locking may provide adequate security for some situations on tiered lockers, as the doors are shorter, and therefore more difficult to force open; however, the taller doors of full length lockers and cabinets are more susceptible to the application of leverage.
Single-point locking is a locking system in cabinet doors where locking takes places only at the point halfway up the edge of the door, where the latch engages with the doorjamb.
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.
Two warded lock keys and a homemade skeleton key. A skeleton key (also known as a passkey [1]) is a type of master key in which the serrated edge has been removed in such a way that it can open numerous locks, [2] most commonly the warded lock. The term derives from the fact that the key has been reduced to its essential parts. [2]
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While manipulation of combination locks is usually performed on Group 2 locks, many Group 1 locks are also susceptible. The goal is to successfully obtain the combination one number at a time. [ 1 ] Manipulation procedures vary, but all rely on exploiting mechanical imperfections in the lock to open it, and, if desired, recover its combination ...
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