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2. Lever tumbler lock - Wikipedia

   en.wikipedia.org/wiki/Lever_tumbler_lock

   A lever tumbler lock is a type of lock that uses a set of levers to prevent the bolt from moving in the lock. [1] In the simplest form of these, lifting the tumbler above a certain height will allow the bolt to slide past. The number of levers may vary, but is usually an odd number for a lock that can be opened from each side of the door in ...

3. Rotary combination lock - Wikipedia

   en.wikipedia.org/wiki/Rotary_combination_lock

   Rotary combination lock. A rotary dial combination padlock. A rotary combination lock is a lock commonly used to secure safes and as an unkeyed padlock mechanism. This type of locking mechanism consists of a single dial which must be rotated left and right in a certain combination in order to open the lock.

4. Chubb detector lock - Wikipedia

   en.wikipedia.org/wiki/Chubb_detector_lock

   Chubb detector lock. A Chubb detector lock is a lever tumbler lock with an integral security feature, a re-locking device, 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 ...

5. Yale (company) - Wikipedia

   en.wikipedia.org/wiki/Yale_(company)

   Yale is a lock manufacturer and a subsidiary of Assa Abloy. The company is headquartered in Stockholm, Sweden. Its initial product was the Yale lock, invented by Linus Yale Sr., and it became the foundation of the enterprise founded by Linus Yale Jr. and Henry R. Towne. Its markets were initially in the United States, and expanded across the ...

6. Mortise lock - Wikipedia

   en.wikipedia.org/wiki/Mortise_lock

   Mortise lock. The two main parts of a mortise lock. Left: the lock body, installed in the thickness of a door. This example has two bolts: a sprung latch at the top, and a locking bolt at the bottom. Right: the box keep, installed in the doorjamb. A mortise lock (also spelled mortice lock in British English) is a lock that requires a pocket ...

7. Disc tumbler lock - Wikipedia

   en.wikipedia.org/wiki/Disc_tumbler_lock

   Disc tumbler locks are composed of slotted rotating detainer discs. A specially cut key rotates these discs like the tumblers of a safe to align the slots, allowing the sidebar to drop into the slots, thus opening the lock. Unlike a wafer tumbler lock or a pin tumbler lock, this mechanism does not use springs.