Ads
related to: front door lock mechanism broken
Search results
Results From The WOW.Com Content Network
Similarly, mortise locks were used in primary rooms in 1819 at Decatur House in Washington, DC while rim locks were used in closets and other secondary spaces. [3] Warded lock mechanisms are rarely used for mortise locks, owing to the physical depth required. The mortise locks used at Monticello were warded locks. [2]
The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation.
A square, rounded or V-shaped depression, filed or machined into a key, to allow the key to turn in its lock. 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. [6] Key pin
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. Though some locks have advertised "bump proof" features, only a rare few key-pin locks cannot be bumped.
Manufacturers publish tightly-guarded drill-point diagrams for locksmiths for specific models. Drilling is an aid in bypassing the locking mechanism, as well as gaining more information about it in order to defeat it. It is the most common method used by locksmiths on malfunctioning or damaged locks, and commonly used in burglary.
A type of lock pick used to pick lever tumbler locks. Lever tumbler locks can be picked with a tool called a curtain pick which is inserted into the keyway of the lock, and a force is applied to the locking bolt. The pick is then used to lift each lever inside the lock to the correct height so that the locking bolt can pass.