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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 ...
Use by criminals. Lock bumping is a trend in burglaries, [10] [11] as the technique can make it easy and fast to break into homes without needing too much special equipment or leaving any trace of forced entry. It works almost as well as having a key, [12] [13] and a set of ten rapping keys can make the criminals capable of opening 90% of ...
A gun safe is a vault, cabinet, container or room that is difficult to break into. A sheet metal commercial gun safe, or other locked metal container for the preservation of valuables fits the description of “safe” in Black’s Law Dictionary. Safe storage conditions increase in severity from non-restricted class to restricted class and ...
In pin tumbler locks, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt. Key pin See bottom pin. Lock housing The lock housing is the part of the lock that does not move when the lock is opened. It is ...
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
Three-point locking, or a multipoint lock, is a locking system installed in cabinet or locker doors to enable more secure locking. Whereas in single-point locking, the door on a cabinet locks only at the point where the key is turned, halfway up the edge of the door, three-point locking enables the top and bottom of the door to be ...
Disc tumbler locks are composed of slotted rotating detainer discs. A specially cut key rotates these discs like the tumblers of a safe to align the slots, allowing the sidebar to drop into the slots, thus opening the lock. Unlike a wafer tumbler lock or a pin tumbler lock, this mechanism does not use springs.
Potzdam Musket. The Potzdam musket was the standard infantry weapon of the Royal Prussian Army (German: Königlich Preußische Armee) from the 18th century until the military reforms of the 1840s. Four models were produced—in 1723, 1740, 1809 and 1831.