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A traditional snap gun with several parts. A snap gun, also known as lock pick gun, pick gun, or electric lock pick, is a tool that can be used to open a mechanical pin tumbler lock (a common type of cylinder lock) without using the key.
Swedish snaplock gun from the early 16th century. The origin of this proto-flintlock is unclear. The earliest source which could be speaking of a snaplock is an account from 1515 where a young man in Konstanz, Germany accidentally shot a girl with a pistol, thinking it could not go off due to the lack of a lit match.
A snaphance or snaphaunce is a type of firearm lock in which a flint struck against a striker plate above a steel pan ignites the priming powder which fires the gun. [1] It is the mechanical progression of the wheellock firing mechanism, and along with the miquelet lock and doglock are predecessors of the flintlock mechanism .
Certain clicking and vibrating tools designed for bumping can also be used. These allow for rapid repetition of bumping. Though some locks have advertised "bump proof" features, only a rare few key-pin locks cannot be bumped. A different tool with a similar principle of operation is a pick gun. [3]
The lock housing is the part of the lock that does not move when the lock is opened. It is responsible for transferring the action of the key to the bolt. [7] Master pin In a pin tumbler lock, a master pin is an optional, usually short, disk-like pin placed between the top and bottom pins. Its purpose is to allow two differently-cut keys to ...
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Harry Soref founded the Master Lock Company in 1921 and patented an improved padlock in 1924 with a patent lock casing constructed out of laminated steel. Linus Yale Sr. invented a pin tumbler lock in 1848. Linus Yale Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges that is the basis of modern pin ...
Bitting also refers to the combination of key cuts on a bit key for a warded lock or lever tumbler lock. The exact geometry of modern keys is usually described by a code system. [ 1 ] The bitting instructs a locksmith how to cut a certain key, to replace a lost key or make an additional copy.