More about Locks

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With the growth of modern technology, locks have continued to become more and more complex. New materials, manufacturing methods and electronic systems have enabled new levels of security that were unheard of only a short time ago. Unfortunately, the development of technology has also led to more sophisticated lock-picking tools and anti-security equipment, which has further necessitated the need for more advanced locking techniques.

For general security purposes, traditional locks are still one of the most effective and economical solutions. The most familiar traditional locks available are typically forms of pin tumbler locks. Most cylinder locks and padlocks incorporate a pin tumbler lock. The typical door lock, with a central key slot inside the handle, is a cylinder lock that uses a pin tumbler locking system. When the proper key is inserted into a pin tumbler lock, it aligns the inner tumblers so that the central cylinder can be turned. The tumblers are a series of small, spring-loaded pins. When aligned by the key, these pins are pushed out of the cylinder, allowing it to rotate within its shaft. Once the cylinder is unlocked, it allows the user to either turn the handle or undo the bolt. Deadlocks and CAM locks also utilize a cylinder and a pin tumbler system.

More advanced locks are easily purchased, although it is interesting to note that even many heavy duty modern locks still rely on traditional designs. The materials involved in the components of these locks, however, have evolved. Better alloys and lubricants, and higher-precision parts, are now locking standards. Electronic locking systems and network locking systems have also taken a place in many industries. Many companies prefer integrating an electronic key card system into their payroll tracking. These systems allow entry and exit with a magnetized key card and electronic reader bay. Each card swipe unlocks the necessary door, and it can be recorded for later use or reference. Other electronic locking systems use punch codes, which can be linked to alarms or security notifications. Such systems may be found in conjunction with other, traditional locks.