Ads
related to: single cylinder deadbolt sets for cabinets installationebay.com has been visited by 1M+ users in the past month
Search results
Results from the WOW.Com Content Network
The modern bored cylindrical lock was invented by the German-born engineer Walter Schlage [4] in 1923 [5], as an innovation on a patent filed in 1920 [6] for a lock whose installation required a face bore and surface rabbet, simplifying door preparation compared to a traditional mortise lock.
Metal fire-resistance rated door with a lockset consisting of a locking latch bolt operated by lever handle with an escutcheon that encompasses the locking mechanism.. A lockset (alternatively lock set) is the hardware and components that make up the locking or latching mechanism that can usually be found on a door or other hinged object but can also include sliding doors and dividers. [1]
Vertical deadbolts resist jimmying, in which an intruder inserts a crowbar between the door and the jamb and attempts to prise the bolt out of the door. Other types of deadbolts include: Classroom-function (thumb-turn only unlocks door) Exit-only function (no external cylinder) Push-button deadbolt (mechanical or electrical)
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.
A lock is a mechanism that secures buildings, rooms, cabinets, objects, or other storage facilities. A "smith" is a metalworker who shapes metal pieces, often using a forge or mould, into useful objects or to be part of a more complex structure. Thus locksmithing, as its name implies, is the assembly and designing of locks and their respective ...
The key design is a U-shape profile with six cuts on each side of the key, along with a central roller to activate the trigger pin in the front and center of the cylinder. [ 1 ] In order for the lock to operate, the key must be fully inserted, allowing the dual sidebars to enter the pins, provided the pins were raised to the correct height ...
Ads
related to: single cylinder deadbolt sets for cabinets installationebay.com has been visited by 1M+ users in the past month