Double lock means that all opening handles are released mechanically when locking from the outside, which makes it impossible to open the doors from the inside. Double lock is activated when locking with a remote control key or with keyless locking*, and takes place with a delay of approx.
While the single-cylinder deadbolt only features a locking mechanism requiring a key on one side, the double-cylinder deadbolt has it on both. This means that a key will be required to turn the lock both on the inside of the door and the outside. This is the main difference between these two types of deadbolts.
Pull back the latch and hook bolt by pushing the handle down. This makes it possible for the door to be opened. Push the handle down and turn the key away from the lock edge to open the secondary door.
Locks are shaped to distinguish between various keys so that it only unlocks for the right key. The second part of the key is called the bow. This is the part that protrudes from the locking mechanism when the key is in place. This allows the user to provide torque to unlock and open.
Keyboard has a lock but no door.
To get your locks re-keyed, visit your local locksmith to have them do it for you. Or, just ask the store you're purchasing the locks from to re-key the lock to one you may already own. It's a process that should only take a few minutes.
When executed correctly, lock bumping is effective in nearly 90 percent of all cylinder-type locks produced today. Perhaps one of the most disconcerting aspects of lock bumping is that it can often go undetected, which means that your home can be broken into without any signs of forced entry.
To unlock the dead bolt lock (above), you turn the key to the right. To unlock the door knob lock (below), you turn the key to the left!
In the U.S., there is no single comprehensive law against dual-cylinder deadbolts. Individual cities and states have local property and fire codes that may prohibit the use of dual-cylinder deadbolts. The code may prohibit the use of dual-cylinder deadbolts in some buildings and allow them in others.
Double-wafer locks have wafer tumblers on both ends of the plug. To pick these locks, you work the wafers on both sides as you apply pressure with the tension wrench. Wafer locks are found in most filing cabinets, lockers and cars, as well as in many padlock designs.
Double-cylinder locksets are keyed on both sides; they function with a key from both the exterior and the interior of the door. This means that a home or business owner would need to use a key to engage or retract the lock bolt even from the inside.
Locks built in to the doorknob usually open clockwise. Desk and filing cabinet locks also tend to open clockwise. When you encounter a new kind of lock mechanism, try turning the plug in both directions.
One way to check if the lock is engaged is to look at the latch on the side of the door. When the lever is pushed down to open the door, you can see if the latch retracts. If it does, the lock is in an unlocked state. If it doesn't retract, the lock is in a locked state.
Can you unlock a door if the key is on the other side? Yes, you can, providing that your door has been furnished with a frictioned cylinder lock or one that has an emergency function. These two types are designed to be unlocked with a key even if there's another key inside on the other side of the door.
Step 1 Make the Bump Key
Go to the any store that has blank keys. Wal-Mart and Home Depot have them. They look like this, without teeth at all: A bump key is made by using a triangular file (they're at every hardware store…
On the inside of that hole is a groove that will fit a small flat head screwdriver. Think of it as a very small screw that turns the lock. When you insert a small enough flat head screwdriver into this groove it will open your locked door.
A lockpicking tool in the form of a key of the type generally used to open a lock, on which all pins have been cut down to the lowest position, so that striking this key sharply with a hammer while applying turning force at just the right instant after the impact will 'bump' open a lock.
A poorly installed French door is simply easier to break into than one that was installed by a professional who has years of experience installing them. Homeowners who aren't experienced installing doors can often make mistakes that can leave the doors more accommodating to thieves.
Locking and Security
Just like windows, a patio door can be an entry point for intruders. In this case, French patio doors are much more effective than sliding doors because of their dependable locking system.
It's quite useful to have two locks in the door separating the house/apartment from the surrounding world but use just one of them. Locks happen to break, although that's quite rare. If one of the locks starts malfunctioning you can just stop using it and use the other one until you fix the first one.
Benefits of a Single Key
When purchasing more than one lock, look for packages that have the same “key alike” number on the package. Alternatively, our store associates can key all of your locks to work with the same key. You can also purchase a rekeying kit to swap out pins and springs yourself.
You can pick any keyed deadbolt lock with two basic tools. The first is the pick itself, which is a long, rigid piece of metal or plastic that fits easily into the keyhole and won't bend easily when you push it against something.