344:. Such a device will keep a safe or vault locked even if the primary lock is defeated. This independent mechanism is designed to maintain the locked state of a safe even if the lock itself is destroyed. This auxiliary locking device usually consists of a spring-loaded bolt of some type, held in check by a bracket or cable that is rigged to release the mechanism in a burglary attempt. The device will either block the main boltwork from retracting or block the door from opening. Glass relockers are one of the most common types of relockers used in today's safes. Relockers are typically designed for one-time activation, meaning that once they are triggered the device is locked "permanently" and can only be opened by brute force.
946:
316:
1504:
1539:
1527:
1515:
472:) than the strike plate. Some strike plates have their hole size and placement calculated so a spring-bolt extends into the hole, but an adjacent anti-retraction device remains depressed, preventing the bolt from being retracted unless the lock is turned.
468:. When the door is closed, the bolt extends into the hole in the strike plate and holds the door closed. The strike plate protects the jamb against friction from the bolt and increases security in the case of a jamb made of a softer material (such as
228:, usually tempered, placed where it might be expected to break in a burglary attack. It is attached, usually with wires, to one or more spring-loaded bolts, which are often randomly located. A drill or torch may break the glass, releasing the bolts.
396:, the pin will "hang" at the shearline due to the space between the inner and outer cylinder. This "imperfection" in the lock mechanism is an unavoidable defect in the manufacturing process that allows for
240:, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt.
58:
The section of a key which enters a lock, which has the key cuts formed in it and which engages the bolt or tumblers of the lock. The bit is called a blade in the case of a cylinder key.
500:
designed to melt and release the relocking device if the temperature inside the door exceeds a certain temperature (usually 65 °C), as would happen in a torch attack.
76:
of the key that engage with the locking mechanism. The bitting instructs a locksmith how to cut a certain key, to replace a lost key or make an additional copy.
512:, the top pin is in contact with the spring and interferes with the rotation of the plug when no key is inserted. The top pin is also known as the driver pin.
520:
The grooves and protrusions of an irregularly shaped keyhole and/or the internal passage of a lock that requires a key be of a certain shape to be inserted.
112:, the bottom pin is in contact with the key. It has varying lengths, corresponding to the key's bitting cuts. The bottom pin is also known as the key pin.
168:
locking system is one where two different keys, generally given to different people, are required to open the lock. These are often used in
264:
is the part of the lock that does not move when the lock is opened. It is responsible for transferring the action of the key to the bolt.
1530:
701:
84:
The segment of a key which enters the keyway of a lock and has key cuts machined into it. On a bit key the blade is called a bit.
860:
782:
735:
686:
631:
607:
578:
284:
pins. Its purpose is to allow two differently-cut keys to open the lock. Master pins are also called master wafers.
236:
A square, rounded or V-shaped depression, filed or machined into a key, to allow the key to turn in its lock. In
1564:
1383:
1362:
1109:
336:) (a.k.a. "external relocker") is an auxiliary locking device intended to be activated during an attempted
308:
is a device used in the assembly and disassembly of locks; it is a solid cylinder that is used to push the
100:
is a rectangular part located above the talon, and passes through the slot in the levers as the bolt moves.
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838:
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in
Australia), is where the inner cylinder (plug) ends and the outer cylinder begins. When a
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538:
8:
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that contains the pins and pin stack springs as well as the pin stacks themselves. The
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is the part of a cylinder lock which is designed to turn when a key is inserted.
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900:
895:
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276:, a master pin is an optional, usually short, disk-like pin placed between the
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1347:
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960:
920:
915:
417:
377:
68:
728:
Practical lock picking : a physical penetration tester's training guide
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The part of the bolt of a lock upon which the key presses as it is turned.
397:
364:
the lock more difficult. Examples of security pins include serrated pins,
213:
19:
868:
312:
out of the lock, while preventing the springs and driver pins from moving.
1489:
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1408:
1317:
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905:
361:
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is a device to engage or disengage a lock without the use of a key. In
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441:
341:
135:
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1005:
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935:
925:
461:
337:
1094:
1038:
990:
985:
185:
1357:
1216:
783:"snib | Definition of snib in English by Oxford Dictionaries"
489:
457:
225:
181:
469:
465:
129:
128:
is a separation in one or more sections of the pin used to
813:"snib | Definition of talon in English by Your Dictionary"
125:
420:, the word is sometimes used as a synonym for lock.
1556:
188:itself (on the door, not the jamb) is called a
50:of a pin-tumbler lock are located in the bible.
751:
749:
747:
854:
671:
592:
563:
72:of a key is the physical arrangement of the
744:
621:
482:
861:
847:
464:with a hole or holes for the bolt of the
218:
314:
730:. Syngress/Elsevier. pp. 102–106.
360:designed in a non-standard way to make
224:A glass relocking device is a piece of
1557:
842:
725:
493:
204:is a mechanical element on levers in
1526:
1514:
626:, Authors OnLine, Ltd., p. 34,
322:
212:to make the lock more difficult to
13:
14:
1581:
834:
433:
1537:
1525:
1513:
1503:
1502:
944:
624:The Encyclopaedia for Locksmiths
298:
805:
775:
446:
346:
281:
254:
249:
158:
47:
1450:Glossary of locksmithing terms
719:
694:
665:
639:
615:
586:
557:
531:
488:Designed as a defense against
365:
1:
1384:Perimeter intrusion detection
787:Oxford Dictionaries | English
647:"What Is a Safe Deposit Box?"
524:
436:used to prevent picking in a
370:
266:
194:
174:
146:
102:
86:
1363:Miniature snap-action switch
1110:Time-delay combination locks
675:A Dictionary of Locksmithing
596:A Dictionary of Locksmithing
567:A Dictionary of Locksmithing
440:. The pin is shaped like a
422:
277:
153:
7:
1465:John M. Mossman Lock Museum
1455:Electromagnetic door holder
27:
10:
1586:
514:
502:
492:attacks, these are simply
389:
319:Relocking device in a safe
242:
230:
60:
1498:
1442:
1323:Closed-circuit television
1293:
1260:
1164:
1133:
1062:
1026:
953:
942:
888:
817:Your Dictionary | English
392:in the pin is reached by
309:
1207:Kensington Security Slot
1120:Tubular pin tumbler lock
702:"Lock Housing with Bolt"
484:Thermal relocking device
474:
134:the lock for a specific
114:
78:
32:
1424:Vandal-resistant switch
1378:Passive infrared sensor
1308:Alarm monitoring center
1105:Rotary combination lock
954:Components and hardware
726:Ollam, Deviant (2012).
539:"What Is A Lock Bible?"
402:
286:
1480:Lock Museum of America
996:Bored cylindrical lock
320:
220:Glass relocking device
52:
1508:Category:Locksmithing
1419:Ultrasonic transducer
793:on September 14, 2017
672:Keith Mayers (1979),
593:Keith Mayers (1979),
564:Keith Mayers (1979),
318:
1565:Knowledge glossaries
1389:Photoelectric sensor
1343:Glass break detector
1242:Real-estate lock box
1141:Electromagnetic lock
1013:Single-point locking
966:Interchangeable core
889:Fundamental concepts
622:Mick Friend (2004),
368:, and mushroom pins.
138:or set of keys in a
1485:Musée de la Serrure
1338:Fingerprint scanner
1247:Steering-wheel lock
1182:Chubb detector lock
1090:Magnetic keyed lock
1018:Three-point locking
761:Art of Lock Picking
460:plate affixed to a
384:(also known as the
206:lever tumbler locks
94:lever tumbler locks
1125:Wafer tumbler lock
1085:Lever tumbler lock
763:. 24 February 2016
321:
210:disc tumbler locks
170:safe deposit boxes
1552:
1551:
1460:Exit control lock
1187:Child safety lock
1080:Disc tumbler lock
931:Physical security
653:. 31 October 2016
494:relocking devices
238:pin tumbler locks
42:is the part of a
1577:
1541:
1529:
1528:
1517:
1516:
1506:
1505:
1373:Occupancy sensor
1232:Power door locks
1165:Other lock types
1134:Electronic locks
1100:Combination lock
1075:Pin tumbler lock
1063:Mechanical locks
948:
863:
856:
849:
840:
839:
828:
827:
825:
823:
809:
803:
802:
800:
798:
789:. Archived from
779:
773:
772:
770:
768:
753:
742:
741:
723:
717:
716:
714:
712:
706:Historical Locks
698:
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510:pin tumbler lock
496:equipped with a
438:pin tumbler lock
414:Scottish English
330:relocking device
324:Relocking device
274:pin tumbler lock
110:pin tumbler lock
44:pin tumbler lock
1585:
1584:
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1578:
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1470:Key to the City
1438:
1434:Window security
1399:Pressure switch
1368:Motion detector
1295:Security alarms
1289:
1256:
1160:
1151:Electric strike
1146:Electronic lock
1129:
1058:
1022:
949:
940:
911:Key duplication
884:
882:security alarms
867:
837:
832:
831:
821:
819:
811:
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794:
781:
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766:
764:
757:"Security Pins"
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1437:
1436:
1431:
1429:Water detector
1426:
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1416:
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1406:
1404:Proximity card
1401:
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1237:Protector lock
1234:
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901:Authentication
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896:Access control
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836:
835:External links
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737:978-1597499903
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693:
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681:, p. 35,
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1443:Miscellaneous
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1348:Heat detector
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1329:
1328:Door security
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952:
947:
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934:
932:
929:
927:
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922:
921:Master keying
919:
917:
916:Key relevance
914:
912:
909:
907:
904:
902:
899:
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893:
891:
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688:0-9604860-0-3
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633:0-7552-0117-5
629:
625:
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609:0-9604860-0-3
605:
602:, p. 4,
598:
597:
589:
582:
580:0-9604860-0-3
576:
573:, p. 3,
569:
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560:
545:. 15 Sep 2018
544:
543:Apex Security
540:
534:
530:
519:
511:
507:
499:
495:
491:
487:
479:
471:
467:
463:
459:
455:
451:
443:
439:
435:
432:is a type of
431:
427:
419:
418:Irish English
415:
411:
407:
399:
395:
391:
387:
383:
379:
378:cylinder lock
375:
367:
363:
359:
355:
351:
343:
340:of a safe or
339:
335:
331:
327:
317:
311:
307:
306:plug follower
303:
300:Plug follower
295:
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199:
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184:plate on the
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141:master keying
137:
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91:
83:
75:
71:
70:
65:
57:
49:
45:
41:
37:
31:
25:
23:
21:
1570:Locksmithing
1536:
1524:
1512:
1449:
1394:Piezo switch
1303:Alarm device
1270:Lock bumping
1262:Lock picking
1222:Luggage lock
1172:Bicycle lock
1156:Keycard lock
1049:Skeleton key
1001:Mortise lock
981:Key retainer
878:lock picking
874:locksmithing
820:. Retrieved
816:
807:
795:. Retrieved
791:the original
786:
777:
765:. Retrieved
760:
727:
721:
709:. Retrieved
705:
696:
674:
667:
655:. Retrieved
650:
641:
623:
617:
595:
588:
566:
559:
547:. Retrieved
542:
533:
498:fusible link
454:strike plate
453:
448:Strike plate
434:security pin
429:
409:
398:lock picking
393:
385:
381:
354:security pin
353:
348:Security pin
333:
329:
305:
293:
262:lock housing
261:
256:Lock housing
208:or discs in
201:
189:
166:dual custody
165:
160:Dual custody
140:
130:
121:
97:
73:
67:
39:
20:locksmithing
18:glossary of
17:
15:
1490:Puzzle lock
1475:Lock Museum
1409:Reed switch
1318:Card reader
1227:Night latch
1177:Bramah lock
1070:Warded lock
906:Key control
48:driver pins
1559:Categories
1353:Key switch
1202:Door chain
1034:Berlin key
797:1 November
657:2 November
651:NerdWallet
525:References
442:cable reel
386:split line
382:shear line
372:Shear line
268:Master pin
250:bottom pin
202:false gate
196:False gate
190:face plate
176:Face plate
148:Driver pin
104:Bottom pin
98:bolt stump
88:Bolt stump
16:This is a
1333:Dual loop
1313:Car alarm
1275:Locksport
1197:Dead bolt
1192:Crash bar
1115:Time lock
1054:Smart key
971:Key blank
767:8 October
430:spool pin
424:Spool pin
1414:Tripwire
1285:Snap gun
1280:Slim Jim
1252:The Club
1212:Knox Box
1044:Keychain
1006:Rim lock
976:Key code
936:Rekeying
926:Password
462:doorjamb
338:burglary
28:Glossary
1095:Padlock
1039:Car key
991:Lockset
986:Lockrod
961:Bitting
822:4 March
516:Warding
504:Top pin
394:picking
362:picking
244:Key pin
232:Key cut
186:lockset
154:top pin
144:system.
124:in the
69:bitting
62:Bitting
1358:Keypad
880:, and
734:
711:23 Nov
685:
630:
606:
577:
549:23 Nov
380:, the
366:spools
282:bottom
131:encode
1531:Locks
1380:(PIR)
1217:Latch
870:Locks
679:(PDF)
600:(PDF)
571:(PDF)
508:In a
490:torch
476:Talon
458:metal
456:is a
390:break
376:In a
356:is a
342:vault
272:In a
226:glass
182:metal
122:break
116:Break
108:In a
80:Blade
40:bible
34:Bible
22:terms
1543:Book
1519:Keys
1027:Keys
824:2020
799:2018
769:2018
732:ISBN
713:2021
683:ISBN
659:2018
628:ISBN
604:ISBN
575:ISBN
551:2021
470:wood
466:door
410:snib
404:Snib
310:plug
294:plug
292:The
288:Plug
280:and
260:The
248:See
214:pick
152:See
126:pins
96:, a
66:The
38:The
416:or
358:pin
334:RLD
278:top
136:key
92:In
74:bit
54:Bit
1561::
876:,
872:,
815:.
785:.
759:.
746:^
704:.
649:.
541:.
452:A
428:A
408:A
352:A
328:A
304:A
200:A
180:A
164:A
120:A
24:.
862:e
855:t
848:v
826:.
801:.
771:.
740:.
715:.
661:.
553:.
444:.
400:.
332:(
252:.
216:.
192:.
172:.
156:.
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