Forend – The forend is the visible part of the lock once fitted . It is important the finish matches the rest of the door furniture. Our forends are either single fixed forends or double forends; the former has the forend fixed and the latter has a dress plate so the right finish can be used.
What is the forend of a lock?
Forend – The forend is the visible part of the lock once fitted . It is important the finish matches the rest of the door furniture. Our forends are either single fixed forends or double forends; the former has the forend fixed and the latter has a dress plate so the right finish can be used.
What is a lock faceplate?
Faceplate. The faceplate is the decorative plate on the edge of the door . It helps guide the tongue and protect the latch. ... When installed correctly, they will sit flush with the edge of the door.
What is a forend plate?
Anti-thrust plate An overlapping metal plate fitted to outward opening doors so as to prevent access to lock bolts. Automatic deadlatch A deadlatch, the main bolt of which is automatically locked (or deadlocked) when the door is closed.
What do you call the lock on the door?
Connected to and controlled by the lock body, the latch or deadbolt is the part of the door lock that holds the door in place when it’s locked. When the lock body turns, the latch or deadbolt moves to either allow or stop the door from being opened.
What does the number on a lock mean?
A “ Direct Code ” is the exact numbers related to the cuts or the depths of each valley in your key. This is typically used to identify a specific key and how the lock should be combinated to allow the key to operate. For the most part, this happens from the lock manufacturer.
How do you fix a lock that won’t turn?
Spray the Lock with Lubricant to Remove Dirt and Dust
If that is the problem, it is easy to fix. You can spray a little dry lubricant in the lock to free up the plug so you can open the door. Spray lubricant in the keyway and insert the key a few times so the lubricant can get worked into the mechanism.
How does a door lock work?
When it is locked, a series of spring-loaded pins are engaged by the cylinder . This keeps the cylinder from turning. The Bolt: Also called the latch, the bolt engages the inside of the door. There is a piece of metal that extends from the door into the frame itself.
What is backset on a door lock?
The backset is the distance from the edge of the door to the spindle mechanism on the latch . Usually for a 63mm case measurement it will have a 44mm backset and for a 76mm case measurement will have a 65mm backset. The backset you choose is where your door knobs will sit on the door (where the spindle goes through).
What is a throw latch?
In order for a fire door assembly to perform as designed and tested, it’s critical for the door to be closed and latched if/when a fire occurs. Latch Throw – Recent editions of NFPA 80 no longer state the required latch throw – the distance that the latch must project from the door edge. ...
What is a keyway?
A keyway is a recess in a shaft or hub to receive a key , and these recesses are commonly cut on key-seating machines or by broaching, milling, planning, shaping and slotting.
What is a Harsp?
: any of several devices for fastening especially : a fastener especially for a door or lid consisting of a hinged metal strap that fits over a staple and is secured by a pin or padlock.
What type of door lock is most secure?
Deadbolts . Deadbolt is often considered the most secure type of lock. What makes deadbolts unique is that they cannot be moved easily from the locked to unlock position. All deadbolts require some type of rotation to disengage the lock.
What is the point of a lock?
A lock is a device used for raising and lowering boats , ships and other watercraft between stretches of water of different levels on river and canal waterways.
What is inside a lock?
Padlocks like this are generally made from hard and rustproof metals. The body (the gold-colored part) is brass (an alloy of copper and zinc) and the shackle (the loop at the top that opens and closes) is made of hardened steel, designed to stop you sawing through it.
