Kitemark Engraved – The Mortice Lock will have the British Standard Kitemark engraved on faceplate. Number of Levers Engraved – Faceplate should state the number of levers the lock has.
Mortise locks are installed in what is called a mortise, a rectangular-shaped hole usually cut into the edge of the door and the jamb. The mortise lock's main body is shaped like a large letter "T." When looking at the front of the door, it has a square section that attaches to the door facing.
You can check this by looking on the faceplate of the lock, the number of levers should be stamped there. For optimum security the 5 lever mortice lock should be Kitemarked and conform to BS3621. If it is, these details should be stamped on the lock faceplate.
A Deadlock case has a similar functionality to that of the mortice lock; however instead of a lever employing the bolt, the bolt is thrown by a cylinder instead. This type of lock can often be found on interior doors that need to always be locked.
Mortise locks were typically used before 1950, and tubular locks after 1950. Read on for a quick explanation on the differences between these two types of door locks.
A pin-tumbler mortise lock is the most common type of mortise lock available. These Locks are very simple to operate and are fairly inexpensive. However, they are easily picked and are less secure than other types of locks. They are commonly found in older homes and apartments.
A mortice lock is used in traditional timber doors, in both external and internal doors. Embedded into the door for extra strength, it provides a locking point in the centre of the door. There are several different options when you are choosing a mortice lock.
What is the difference between a 3 lever and 5 lever lock? The difference between a 3 lever lock and a 5 lever lock is that a 3 lever lock is less secure because it has fewer levers which increases the risk of key duplication. Also, a 3 lever lock will NOT be BS3621 approved due to the poor security of the lock.
Unlike the mortise lock which requires a rectangular pocket to be cut into the door, the deadbolt requires 2 cylindrical holes to be cut into the door (bored cylindrical mounting).
Mortise locks are installed into a rectangular pocket cut out of the edge of a door. The term mortise refers to a hole or recess cut that allows the lock to be inserted. Mortise lock bodies look much different than cylindrical locks and allow for more working mechanics inside.
Mortise locks can be replaced with standard cylinders. Mortise lock is the name given to the large, rectangular locks that fit into a slot, or "mortise" in the edge of the door. These locks were common at the turn of the twentieth century and are still in use today. The cylinder lock is the modern standard.
A mortice deadlock is designed to be fitted into the timber edge of a door and allows the door to be manually locked from both sides with a key. A deadlock is a lock bolt only and does not have a latch/catch section for the operation of a door knob/handle. These types of locks are available as either 3 or 5 lever.
In 1865, Linus Yale, Jr. patented the cylinder mortise lock, which would revolutionize the industry. It used a pin tumbler cylinder with a series of spring-loaded pins that had to be raised to an exact height by the notches on a flat key before it would turn to operate the deadbolt (see opposite).
In some cases the lock could be quick & easy to open such as basic euro cylinder or nightlatch, some locks are trickier and take longer. Some locksmiths may charge more to open a mortice lock, as in some cases a mortice lock can take longer to open than rim or euro locks.
Deadbolts are unarguably one of the most popular type of door locks, and they are widely used for residential properties. They are opened by turning a knob or key without the use of a spring.
Rim locks have been used in the United States since the early eighteenth century. An early example of the use of mortise locks in conjunction with rim locks within one house exists at Thomas Jefferson's Monticello. In 1805, Jefferson wrote to his joiner listing the locks he required for his home.
Both mortise and mortice are acceptable spellings of the same word in the UK and US. The term is based on the concept of carving out a space to form a strong link between the two pieces.
Are mortise door locks universal? Yes, a mortise lock set and mortise door lock is universal and can easily be used to replace most other lock sets, especially on an older door.
Mortise locks are one of the most secure forms of residential hardware available today. What makes mortise locks so much more secure than their cylinder counterparts? A pocket cut into the short edge of the door, allows a longer and thicker mortise box to slide into the door itself, providing superior protection.
A mortise lock is sturdier than a cylindrical lock. Many people will argue this point, but typically they overlook a very important component—the door itself. If a mortise lock is installed on a hollow metal door, both pieces of hardware are going to hold up fine because they're both very sturdy.
- Select Finish: Brass (03), Satin Chrome (26D), or Duronodic (46). - Special Ordering: See below for Special Order information (i.e., ordering cylinders keyed to existing key number). - Delivery: The Ilco 7165-KW1 Kwikset Mortise Cylinder is in stock and available to ship.