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Night latch

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From Wikipedia, the free encyclopedia

Type of keyed door lock

This article needs to beupdated. Please help update this article to reflect recent events or newly available information.(November 2023)

Anight latch (ornight-latch ornightlatch) is a 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.^[1]^[2]^[3]

Overview

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Night latches are usuallyrim locks^[4] and are available asdeadlocking (automatically locks once shut) and non-deadlocking versions.

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.

References

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^"Definition of NIGHT LATCH".www.merriam-webster.com.
^Hasluck, Paul N. (8 February 2011).The Handyman's Guide: Essential Woodworking Tools and Techniques. Skyhorse Publishing, Inc.ISBN 9781626366589 – via Google Books.
^Mitchell, John Ames (26 September 2018)."Life". Life – via Google Books.
^Jones, Tony L. (1 January 2003).COURT SECURITY: A Guide for Post 9-11 Environments. Charles C Thomas Publisher.ISBN 9780398084356 – via Google Books.
^Sturgis, Russell; Davis, Francis A. (23 April 2013).Sturgis' Illustrated Dictionary of Architecture and Building: An Unabridged Reprint of the 1901-2 Edition. Courier Corporation.ISBN 9780486145921 – via Google Books.

Sources

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Streeter, Donald (26 September 1973). "Some Signed American Iron Rim Locks".Bulletin of the Association for Preservation Technology.5 (2):9–37.doi:10.2307/1493393.JSTOR 1493393.
ProQuest."How much security is enough? - ProQuest". Retrieved2018-09-26 – via ProQuest.
Harrington-Lynn, J.; Pascoe, T. (1995). "A strategy for security of buildings".A strategy for security of buildings - IEEE Conference Publication.IEEE. pp. 189–196.doi:10.1109/CCST.1995.524911.ISBN 978-0-7803-2627-9.S2CID 62740777.
"NCJRS Abstract - National Criminal Justice Reference Service".www.ncjrs.gov.
Anonymous (26 September 1961),Code of Practice for means of escape in the case of fire at houses in multiple occupation,hdl:1842/4859
ProQuest."Simple security measures: how to safeguard your practice - ProQuest". Retrieved2018-09-26 – via ProQuest.

External links

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