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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.
A slam latch uses a spring and is activated by the shutting or slamming of a door. Like all latches, a slam latch is a mechanism to hold a door closed. The slam latch derives its name from its ability to slam doors and drawers shut without damaging the latch. A slam latch is rugged and ideal for industrial, agricultural and construction ...
Locks may be bypassed by a variety of other techniques including loiding, i.e. the "credit card" technique, against self-closing "latch systems." Padlocks may be bypassed by shimming, where one inserts a sprung steel device to retract the spring-loaded catch that restrains the shackle. Locked cars may be bypassed by introducing a stiff wire ...
Most older locks were large, some as big as 40 by 25 centimetres (15.7 by 9.8 in). 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
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 January 2025. Device to open or close door Various examples of door handles throughout history A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including: exterior doors of residential and commercial buildings, internal doors, cupboard ...
Mortise locks may include a non-locking sprung latch operated by a door handle. Such a lock is termed a sash lock. A simpler form without a handle or latch is termed a dead lock. Dead locks are commonly used as a secure backup to a sprung non-deadlocking latch, usually a pin tumbler rim lock. [note 1] [according to whom?]