Night Latch
A night latch (or night-latch or nightlatch) is lock that is fitted on the surface of a door; it is operated from the exterior side of the door by a key and from the interior (i.e. "secure") side of the door by a knob. Night latches are usually rim lock A rim lock is a locking device that attaches to the surface of a door. It is the oldest type of lock used in the United Kingdom and Ireland. It is of a basic design using (usually) a single lever and a sliding bolt. Wards can be used for addi ...s and are available as deadlocking (automatically locks once shut) and non-deadlocking versions. Historically, such locks were intended for use at night-time, hence the name. The keyless egress that they offer is a valuable fire safety measure. References Sources * * * * * * {{Locksmithing Locks (security device) ...
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Rim Lock
A rim lock is a locking device that attaches to the surface of a door. It is the oldest type of lock used in the United Kingdom and Ireland. It is of a basic design using (usually) a single lever and a sliding bolt. Wards can be used for additional security. They are not used where high security is required. Most older locks were large, some as big as . Most rimlocks used today on exterior doors in the British Isles are night latches. In the United States, rim locks and rim latches are often used on wooden screen doors. A rim lock may also be seen on an antique pantry, pie safe, and other cabinets. Some rim lock and latch sets have a shallower backset than does a modern bored cylindrical lock or mortise lock A mortise lock (also spelled mortice lock in British English) is a lock that requires a pocket—the mortise—to be cut into the edge of the door or piece of furniture into which the lock is to be fitted. In most parts of the world, mortise loc ..., allowing their use ...
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