Mortice locks can be known as a Deadlock or Sashlock. They both have essentially the same operating system, with the distinguishable difference between them being the use of a handle that operates a latch within a sashlock.
The difference between a mortice deadlock and sash lock is that a mortice sashlock has a latch and bolt to open and close the lock. Where-as a mortice deadlock does not have a latch to open the lock.
Mortice Deadlocks
Unlike a deadbolt, a deadlock can only be operated by a key. Once the key is turned, the deadlock is thrown and cannot be re-opened without a key. For homes that need a high level of security these locks are ideal. However they can be a hassle, since there is no convenient way to throw the lock.
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. When choosing the right deadlock you will also need to make sure you choose the right size for your door.
5 Lever Mortice Lock
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.
Two and three lever mortice locks can be picked relatively easily, because tools can be inserted up into the lock from the key hole from where the burglar can manipulate the levers.
Bathroom Deadlocks are designed in a way that can be locked from the inside but not from the outside sometimes showing that the room is occupied. These come as Deadlocks or Sashlocks and can be integrated to use the handle to lock the door.
5 lever mortice deadlocks are a type of lock that is installed into the door material. The lock can be locked and unlocked using a key, and it has 5 levers to make it more secure. 5 lever mortice dead locks are available in a range of finishes, it can be used on both internal and external doors throughout a building.
A mortice (also spelt mortise) is a cavity or slot, usually rectangular, cut into a piece of wood or stone in order to receive a matching insert of the same dimensions.
Mortice locks are generally stronger and secure than a bored cylindrical lock. Ironically, installing a Mortice Lock initially can weaken the structure of a typical wooden door, but by choosing a 5 lever Mortice Lock your home will be more secure.
Deadlocks are much stronger and more secure than the simpler and cheaper rim latches or Yale latches, and when fitted can make it almost impossible for a burglar to force their way into your home through the exterior doors.
Deadbolt door locks are the most secure type of key lock and are usually used on a home's exterior door. Available in single- and double-cylinder styles, deadbolts are rated according to their strength from Grade 1 to Grade 3.
In lock: Development of modern types. … in England, patented a double-acting tumbler lock. A tumbler is a lever, or pawl, that falls into a slot in the bolt and prevents it being moved until it is raised by the key to exactly the right height out of the slot; the key then slides the bolt.
Deadlock is defined as a situation where set of processes are blocked because each process holding a resource and waiting to acquire a resource held by another process. Example: when two trains approach each other at a crossing, both shall come to a full stop and neither shall start up again until the other has gone.
There are two sizes of mortice locks: 21/2” and 3”. If you are installing a mortice lock to a door with a narrow frame, or any door for that matter, it's very important to know what size lock you need.
One of the most readily available and secure types of lock is the mortice lock. These earned their name thanks to the pocket (or mortice) that the bolt slots into, which is cut into the internal face of the doorframe. When the bolt is in the mortice, the door is unable to move and is securely locked.
Deadlock in operating system is a situation which occurs when a process or thread enters a waiting state because a resource requested is being held by another waiting process, which in turn is waiting for another resource held by another waiting process.
One of the best-known ways to unlock a deadbolt without a key is by using two bobby pins. Start by inserting the closed "looped" side of one bobby pin into the bottom portion of the lock. Use the second bobby pin, broken in half, toward the top of the lock and move it back and forth.