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Again, the term refers to the lock mechanism, so a lock can be both a mortise lock and a lever tumbler lock. In the modern lever tumbler lock, the key moves a series of levers that allow the bolt to move in the door. [5] Pin tumbler lock, commonly used for mortise locks in the US. The next major innovation to mortise lock mechanisms came in 1865.
However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a 1917 filing for a mortise mechanism which locked when the knob was tilted, [5] one in April 1920 for a lock requiring one hole and a surface rabbet rather than a complex mortise pocket, [6] and another the same year in October ...
Eli Whitney Blake, Sr. (January 27, 1795 – August 18, 1886) was an American inventor, best known for his mortise lock and stone-crushing machine, the latter of which earned him a place into the National Inventors Hall of Fame.
A mortise is a hole cut into a timber to receive a tenon. There are several kinds of mortise: [16] Open mortise: a mortise that has only three sides. (See bridle joint). Stub mortise: a shallow mortise, the depth of which depends on the size of the timber; also a mortise that does not go through the workpiece (as opposed to a "through mortise").
Mortise or mortice may refer to: Mortise and tenon, a woodworking joint; Ankle mortise, part of the distal tibia joining the talus bone to form an ankle joint; Mortise chisel, a type of chisel; Mortice lock, a lock with a bolt set within the door frame, rather than attached externally
It was mostly used on interior doors, [9] where it replaced the older Mortise lock. [10] Schlage's new company grew quickly and into larger facilities throughout the 1920s. The company was manufacturing 20,000 locks per month in 1925. [7] In 1927, Schlage partnered with a San Francisco businessman and financier, Charles H. Kendrick. [11]
a deadbolt lock; a door chain; a locking door handle; an electromagnetic lock, which holds a door shut when electricity is supplied to it; a keycard lock, commonly used on hotel doors; a mortise lock, a lock installed in a hollowed-out pocket within a door; a rim lock, a lock fixed to the exterior of the door
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.