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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 ...
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 Schlage Lock Company was incorporated with a starting capital of $30. [7] In the same year, he applied for a patent for a lock that could be drilled into a door with only two holes. [ 3 ] [ 8 ] This new cylindrical lock had a single plate, serving as both escutcheon and striker plate, wrapping around the door's edge.
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
The Chubb detector lock is a variation of the lever lock which was designed to detect and prevent picking attempts. Lever locks can be drilled, but usually a template or stencil is required to mark the drilling point, as the lock mechanism is commonly mortised into the door and so it is harder to determine the point at which to drill.
A common type of wafer tumbler lock, usually found on desk drawers, office cabinets, lockers and electrical panels. A wafer tumbler lock is a type of lock that uses a set of flat wafers to prevent the lock from opening unless the correct key is inserted. This type of lock is similar to the pin tumbler lock and works on a similar principle ...
The previous standard, the mortise lock, needs a lot more wood to be removed from the door to fit its large and intricate lock body inside. With its lower manufacturing cost and ease of installation, the cylindrical lock supplanted the mortise lock as the norm in the United States; Europe, however, did not see widespread adoption, and continues ...