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Glossary of locksmithing terms

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355:. 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. 957: 327: 1515: 1550: 1538: 1526: 483:) 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. 479:. 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 239:, 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. 407:, 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 251:, 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. 69:
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.
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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.
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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.
523:, 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. 531:
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.
123:, 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. 179:
locking system is one where two different keys, generally given to different people, are required to open the lock. These are often used in
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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.
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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.
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pins. Its purpose is to allow two differently-cut keys to open the lock. Master pins are also called master wafers.
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A square, rounded or V-shaped depression, filed or machined into a key, to allow the key to turn in its lock. In
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is a device used in the assembly and disassembly of locks; it is a solid cylinder that is used to push the
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is a rectangular part located above the talon, and passes through the slot in the levers as the bolt moves.
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in Australia), is where the inner cylinder (plug) ends and the outer cylinder begins. When a
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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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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.
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the lock more difficult. Examples of security pins include serrated pins,
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out of the lock, while preventing the springs and driver pins from moving.
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is a device to engage or disengage a lock without the use of a key. In
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is a separation in one or more sections of the pin used to
824:"snib | Definition of talon in English by Your Dictionary" 136: 431:, the word is sometimes used as a synonym for lock. 1567: 199:itself (on the door, not the jamb) is called a 61:of a pin-tumbler lock are located in the bible. 762: 760: 758: 865: 682: 603: 574: 83:of a key is the physical arrangement of the 755: 632: 493: 872: 858: 475:with a hole or holes for the bolt of the 229: 325: 741:. Syngress/Elsevier. pp. 102–106. 371:designed in a non-standard way to make 235:A glass relocking device is a piece of 14: 1568: 853: 736: 504: 215:is a mechanical element on levers in 1537: 1525: 637:, Authors OnLine, Ltd., p. 34, 333: 223:to make the lock more difficult to 24: 25: 1592: 845: 444: 1548: 1536: 1524: 1514: 1513: 955: 635:The Encyclopaedia for Locksmiths 309: 816: 786: 457: 357: 292: 265: 260: 169: 58: 1461:Glossary of locksmithing terms 730: 705: 676: 650: 626: 597: 568: 542: 499:Designed as a defense against 376: 13: 1: 1395:Perimeter intrusion detection 798:Oxford Dictionaries | English 658:"What Is a Safe Deposit Box?" 535: 447:used to prevent picking in a 381: 277: 205: 185: 157: 113: 97: 1374:Miniature snap-action switch 1121:Time-delay combination locks 686:A Dictionary of Locksmithing 607:A Dictionary of Locksmithing 578:A Dictionary of Locksmithing 451:. The pin is shaped like a 433: 288: 164: 7: 1476:John M. Mossman Lock Museum 1466:Electromagnetic door holder 38: 10: 1597: 525: 513: 503:attacks, these are simply 400: 330:Relocking device in a safe 253: 241: 71: 1509: 1453: 1334:Closed-circuit television 1304: 1271: 1175: 1144: 1073: 1037: 964: 953: 899: 828:Your Dictionary | English 403:in the pin is reached by 320: 1218:Kensington Security Slot 1131:Tubular pin tumbler lock 713:"Lock Housing with Bolt" 495:Thermal relocking device 485: 145:the lock for a specific 125: 89: 43: 1435:Vandal-resistant switch 1389:Passive infrared sensor 1319:Alarm monitoring center 1116:Rotary combination lock 965:Components and hardware 737:Ollam, Deviant (2012). 550:"What Is A Lock Bible?" 413: 297: 1491:Lock Museum of America 1007:Bored cylindrical lock 331: 231:Glass relocking device 63: 1519:Category:Locksmithing 1430:Ultrasonic transducer 804:on September 14, 2017 683:Keith Mayers (1979), 604:Keith Mayers (1979), 575:Keith Mayers (1979), 329: 1576:Knowledge glossaries 1400:Photoelectric sensor 1354:Glass break detector 1253:Real-estate lock box 1152:Electromagnetic lock 1024:Single-point locking 977:Interchangeable core 900:Fundamental concepts 633:Mick Friend (2004), 379:, and mushroom pins. 149:or set of keys in a 1496:Musée de la Serrure 1349:Fingerprint scanner 1258:Steering-wheel lock 1193:Chubb detector lock 1101:Magnetic keyed lock 1029:Three-point locking 772:Art of Lock Picking 471:plate affixed to a 395:(also known as the 217:lever tumbler locks 105:lever tumbler locks 1136:Wafer tumbler lock 1096:Lever tumbler lock 774:. 24 February 2016 332: 221:disc tumbler locks 181:safe deposit boxes 1563: 1562: 1471:Exit control lock 1198:Child safety lock 1091:Disc tumbler lock 942:Physical security 664:. 31 October 2016 505:relocking devices 249:pin tumbler locks 53:is the part of a 16:(Redirected from 1588: 1552: 1540: 1539: 1528: 1527: 1517: 1516: 1384:Occupancy sensor 1243:Power door locks 1176:Other lock types 1145:Electronic locks 1111:Combination lock 1086:Pin tumbler lock 1074:Mechanical locks 959: 874: 867: 860: 851: 850: 839: 838: 836: 834: 820: 814: 813: 811: 809: 800:. Archived from 790: 784: 783: 781: 779: 764: 753: 752: 734: 728: 727: 725: 723: 717:Historical Locks 709: 703: 702: 691: 680: 674: 673: 671: 669: 654: 648: 647: 630: 624: 623: 612: 601: 595: 594: 583: 572: 566: 565: 563: 561: 546: 521:pin tumbler lock 507:equipped with a 449:pin tumbler lock 425:Scottish English 341:relocking device 335:Relocking device 285:pin tumbler lock 121:pin tumbler lock 55:pin tumbler lock 21: 1596: 1595: 1591: 1590: 1589: 1587: 1586: 1585: 1566: 1565: 1564: 1559: 1505: 1481:Key to the City 1449: 1445:Window security 1410:Pressure switch 1379:Motion detector 1306:Security alarms 1300: 1267: 1171: 1162:Electric strike 1157:Electronic lock 1140: 1069: 1033: 960: 951: 922:Key duplication 895: 893:security alarms 878: 848: 843: 842: 832: 830: 822: 821: 817: 807: 805: 792: 791: 787: 777: 775: 768:"Security Pins" 766: 765: 756: 749: 735: 731: 721: 719: 711: 710: 706: 700: 689: 681: 677: 667: 665: 656: 655: 651: 645: 631: 627: 621: 610: 602: 598: 592: 581: 573: 569: 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398: 394: 390: 389:cylinder lock 386: 378: 374: 370: 366: 362: 354: 351:of a safe or 350: 346: 342: 338: 328: 322: 318: 317:plug follower 314: 311:Plug follower 306: 302: 294: 290: 286: 282: 274: 270: 262: 258: 250: 246: 238: 234: 226: 222: 218: 214: 210: 202: 198: 195:plate on the 194: 190: 182: 178: 174: 166: 162: 154: 153: 152:master keying 148: 144: 143: 138: 134: 130: 122: 118: 110: 106: 102: 94: 86: 82: 81: 76: 68: 60: 56: 52: 48: 42: 36: 34: 32: 19: 1581:Locksmithing 1547: 1535: 1523: 1460: 1405:Piezo switch 1314:Alarm device 1281:Lock bumping 1273:Lock picking 1233:Luggage lock 1183:Bicycle lock 1167:Keycard lock 1060:Skeleton key 1012:Mortise lock 992:Key retainer 889:lock picking 885:locksmithing 831:. Retrieved 827: 818: 806:. Retrieved 802:the original 797: 788: 776:. Retrieved 771: 738: 732: 720:. Retrieved 716: 707: 685: 678: 666:. Retrieved 661: 652: 634: 628: 606: 599: 577: 570: 558:. Retrieved 553: 544: 509:fusible link 465:strike plate 464: 459:Strike plate 445:security pin 440: 420: 409:lock picking 404: 396: 392: 365:security pin 364: 359:Security pin 344: 340: 316: 304: 273:lock housing 272: 267:Lock housing 219:or discs in 212: 200: 177:dual custody 176: 171:Dual custody 151: 141: 132: 108: 84: 78: 50: 31:locksmithing 29:glossary of 28: 26: 18:Strike plate 1501:Puzzle lock 1486:Lock Museum 1420:Reed switch 1329:Card reader 1238:Night latch 1188:Bramah lock 1081:Warded lock 917:Key control 59:driver pins 1570:Categories 1364:Key switch 1213:Door chain 1045:Berlin key 808:1 November 668:2 November 662:NerdWallet 536:References 453:cable reel 397:split line 393:shear line 383:Shear line 279:Master pin 261:bottom pin 213:false gate 207:False gate 201:face plate 187:Face plate 159:Driver pin 115:Bottom pin 109:bolt stump 99:Bolt stump 27:This is a 1344:Dual loop 1324:Car alarm 1286:Locksport 1208:Dead bolt 1203:Crash bar 1126:Time lock 1065:Smart key 982:Key blank 778:8 October 441:spool pin 435:Spool pin 1425:Tripwire 1296:Snap gun 1291:Slim Jim 1263:The Club 1223:Knox Box 1055:Keychain 1017:Rim lock 987:Key code 947:Rekeying 937:Password 473:doorjamb 349:burglary 39:Glossary 1106:Padlock 1050:Car key 1002:Lockset 997:Lockrod 972:Bitting 833:4 March 527:Warding 515:Top pin 405:picking 373:picking 255:Key pin 243:Key cut 197:lockset 165:top pin 155:system. 135:in the 80:bitting 73:Bitting 1369:Keypad 891:, and 745:  722:23 Nov 696:  641:  617:  588:  560:23 Nov 391:, the 377:spools 293:bottom 142:encode 1542:Locks 1391:(PIR) 1228:Latch 881:Locks 690:(PDF) 611:(PDF) 582:(PDF) 519:In a 501:torch 487:Talon 469:metal 467:is a 401:break 387:In a 367:is a 353:vault 283:In a 237:glass 193:metal 133:break 127:Break 119:In a 91:Blade 51:bible 45:Bible 33:terms 1554:Book 1530:Keys 1038:Keys 835:2020 810:2018 780:2018 743:ISBN 724:2021 694:ISBN 670:2018 639:ISBN 615:ISBN 586:ISBN 562:2021 481:wood 477:door 421:snib 415:Snib 321:plug 305:plug 303:The 299:Plug 291:and 271:The 259:See 225:pick 163:See 137:pins 107:, a 77:The 49:The 427:or 369:pin 345:RLD 289:top 147:key 103:In 85:bit 65:Bit 1572:: 887:, 883:, 826:. 796:. 770:. 757:^ 715:. 660:. 552:. 463:A 439:A 419:A 363:A 339:A 315:A 211:A 191:A 175:A 131:A 35:. 873:e 866:t 859:v 837:. 812:. 782:. 751:. 726:. 672:. 564:. 455:. 411:. 343:( 263:. 227:. 203:. 183:. 167:. 20:)

Index

Strike plate
locksmithing
pin tumbler lock
driver pins
bitting
lever tumbler locks
pin tumbler lock
pins
encode
key
master keying
top pin
safe deposit boxes
metal
lockset
lever tumbler locks
disc tumbler locks
pick
glass
pin tumbler locks
bottom pin
pin tumbler lock
top
bottom
plug

burglary
vault
pin
picking

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