Single-point locking

Single-point locking is a locking system in cabinet doors where locking takes places only at the point halfway up the edge of the door, where the latch engages with the doorjamb. The term is most often used in items like lockers, where it is contrasted with the much more secure three-point locking, which uses movable rods to secure the top and bottom of the door when the door is locked, and the term is not normally used in situations where single-point locking is the only option normally found. Typically, box lockers (that is, with 4 or more tiers) use single-point locking, unless they are ordered with three-point locking as an optional extra, whereas full-length (single-tier) lockers most often come with three-point locking as standard. The reason for this is that, for some situations, single-point locking is considered adequately secure with smaller doors, because those are not as easy to force open as larger doors of otherwise-similar design. High-security models of tiered lockers, along with being constructed of thicker steel, may also have three-point locking, however many tiers are involved. In Australia, cabinets cannot be legally used for storing firearms if they have only single-point locking—three-point locking is required by law, as part of the crackdown on gun storage after the Port Arthur massacre in Tasmania.

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Single-point locking is a locking system in cabinet doors where locking takes places only at the point halfway up the edge of the door, where the latch engages with the doorjamb. The term is most often used in items like lockers, where it is contrasted with the much more secure three-point locking, which uses movable rods to secure the top and bottom of the door when the door is locked, and the term is not normally used in situations where single-point locking is the only option normally found.

Typically, box lockers^[1] (that is, with 4 or more tiers) use single-point locking, unless they are ordered with three-point locking as an optional extra, whereas full-length (single-tier) lockers most often come with three-point locking as standard. The reason for this is that, for some situations, single-point locking is considered adequately secure with smaller doors, because those are not as easy to force open as larger doors of otherwise-similar design. High-security models of tiered lockers, along with being constructed of thicker steel, may also have three-point locking, however many tiers are involved.

In Australia, cabinets cannot be legally used for storing firearms if they have only single-point locking—three-point locking is required by law, as part of the crackdown on gun storage after the Port Arthur massacre in Tasmania.

References

[edit]

^ "Metal Lockers | Jorgenson Lockers".

v t e Locks, locksmithing, lock picking, and security alarms
Fundamental concepts	Access control Authentication Key control Key duplication Key relevance Master keying Password Physical security Rekeying
Lock hardware	Bitting Interchangeable core Key blank Key code Key retainer Lockrod Lockset Bored cylindrical lock Mortise lock Rim lock Single-point locking Three-point locking
Keys	Berlin key Car key Keychain Skeleton key Smart key
Mechanical locks	Warded lock Pin tumbler lock Disc tumbler lock Lever tumbler lock Magnetic keyed lock Padlock Combination lock Rotary combination lock Time-delay combination locks Time lock Tubular pin tumbler lock Wafer tumbler lock
Electronic locks	Electromagnetic lock Electronic lock Electric strike Keycard lock
Other lock types	Arrow lock Bicycle lock Bramah lock Chubb detector lock Child safety lock Kensington Security Slot Latch Luggage lock Power door locks Protector lock Real-estate lock box Steering-wheel lock The Club
Lock picking	Lock bumping Locksport Slim Jim Snap gun
Door hardware	Dead bolt Door chain Door closer Door frame Door furniture Door handle Door security Doorstop Hinge Night latch
Emergency access/exit	Crash bar Electromagnetic door holder Emergency exit Emergency light Exit control lock Exit sign Knox Box
Security alarms	Alarm device Alarm monitoring center Car alarm Card reader Closed-circuit television Door loop Dual loop Fingerprint scanner Glass break detector Heat detector Key switch Keypad Miniature snap-action switch Motion detector Occupancy sensor Passive infrared sensor (PIR) Perimeter intrusion detection Photoelectric sensor Piezo switch Pressure switch Proximity card Reed switch Tripwire Ultrasonic transducer Vandal-resistant switch Water detector Window security
Miscellaneous	Glossary of locksmithing terms John M. Mossman Lock Museum Key to the City Lock Museum Lock Museum of America Musée de la Serrure Puzzle lock
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