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Historically, such locks were intended for use at night-time, hence the name. [5] The keyless egress that they offer is a valuable fire safety measure, but may be a security risk if breaking a glass panel (usually in the door) or a nearby small window allows an intruder to reach the knob inside and open the door from the outside.
This example has two bolts: a sprung latch at the top, and a locking bolt at the bottom. Right: the box keep, installed in the doorjamb. 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.
Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]
Snib A snib is a device to engage or disengage a lock without the use of a key. In Scottish English or Irish English, the word is sometimes used as a synonym for lock. [10] Spool pin A spool pin is a type of security pin used to prevent picking in a pin tumbler lock.
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, allowing their use on doors with narrow rails.
The new year will be a busy one in the night sky with celestial sights of all types for everyone to enjoy, many of which can be viewed without needing a telescope or traveling hundreds of miles to ...
A European motor-operated lock has two modes, day mode where only the latch is electrically operated, and night mode where the more secure deadbolt is electrically operated. In South Korea, most homes and apartments have installed electronic locks, which are currently [ when? ] replacing the lock systems in older homes.
"May this kind of sleep find me (at night)," chimed in someone else. "That stretch stretched EVERYTHING," teased another person. "I've been trying to catch my Frenchie doing that for twelve whole ...