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- Q446998 subject Q7490375.
- Q446998 abstract "A Chubb detector lock is a type of lever tumbler lock with an integral security feature, a form of relocker, which frustrates unauthorised access attempts and indicates to the lock's owner that it has been interfered with. When someone tries to pick the lock or to open it using the wrong key, the lock is designed to jam in a locked state until (depending on the lock) either a special regulator key or the original key is inserted and turned in a different direction. This alerts the owner to the fact that the lock has been tampered with.Any person who attempts to pick a detector lock must avoid triggering the automatic jamming mechanism. If the automatic jamming mechanism is accidentally triggered (which happens when any one of the levers is lifted too high) the lock-picker has the additional problem of resetting the detector mechanism before their next attempt to open the lock. This introduces additional complexity into the task which slows the process down significantly, thereby increasing the degree of lock-picking skill required to a level which very few people would have. The first detector lock was produced in 1818 by Jeremiah Chubb of Portsmouth, England, as the result of a Government competition to create an unpickable lock. It remained unpicked until the Great Exhibition of 1851.".
- Q446998 thumbnail Chubb_lock.jpg?width=300.
- Q446998 wikiPageExternalLink 0,8063,pageId%3D1583%26siteId%3D403,00.html.
- Q446998 wikiPageWikiLink Q126269.
- Q446998 wikiPageWikiLink Q130586.
- Q446998 wikiPageWikiLink Q1351522.
- Q446998 wikiPageWikiLink Q1416413.
- Q446998 wikiPageWikiLink Q1888079.
- Q446998 wikiPageWikiLink Q19599478.
- Q446998 wikiPageWikiLink Q21.
- Q446998 wikiPageWikiLink Q2374786.
- Q446998 wikiPageWikiLink Q2644813.
- Q446998 wikiPageWikiLink Q265546.
- Q446998 wikiPageWikiLink Q2728818.
- Q446998 wikiPageWikiLink Q273095.
- Q446998 wikiPageWikiLink Q35610.
- Q446998 wikiPageWikiLink Q4653.
- Q446998 wikiPageWikiLink Q5115255.
- Q446998 wikiPageWikiLink Q6063.
- Q446998 wikiPageWikiLink Q628155.
- Q446998 wikiPageWikiLink Q662029.
- Q446998 wikiPageWikiLink Q72259.
- Q446998 wikiPageWikiLink Q7251394.
- Q446998 wikiPageWikiLink Q7341903.
- Q446998 wikiPageWikiLink Q738797.
- Q446998 wikiPageWikiLink Q7490375.
- Q446998 wikiPageWikiLink Q918094.
- Q446998 comment "A Chubb detector lock is a type of lever tumbler lock with an integral security feature, a form of relocker, which frustrates unauthorised access attempts and indicates to the lock's owner that it has been interfered with. When someone tries to pick the lock or to open it using the wrong key, the lock is designed to jam in a locked state until (depending on the lock) either a special regulator key or the original key is inserted and turned in a different direction.".
- Q446998 label "Chubb detector lock".
- Q446998 depiction Chubb_lock.jpg.