Lock Locking
Posted on Tuesday, December 12th, 2006 at 8:35 am
Picking a Right Lock
It is important to check the direction of the door it opens before picking a lock. Locks are of different types and designs. Many locks are flexible enough to adjust for both the types of door, i.e. left or right handed. But there are locks which solely depend on the direction of the lock.
Nowadays many lock manufacturers have a proposal for registering the keys for their locks. You can get the extra keys only from the manufacturer against the registered authorized signature. These manufacturers don’t issue any blanks to key cutting companies. Many locks come with micro-switch or shunt lock – a special kind of switch integrated into a lock and act as a burglar alarm circuit.
- Mortise Locks: They usually depend up on the thickness of the door’s stile. The stile should be at least 44mm and if at all possible 50mm. The width of the stile should be approximating to the length of the lock, i.e. 63mm in general but many locks require 75mm to 85 mm width. You can also purchase the locks for stiles narrower than 63mm.
Mortise locks are usually protected by a shield or commonly known as escutcheons. These escutcheons contain flaps, which keep the lock free from grit and dirt.
- Rim Locks: Rim locks are used for the doors where mortise locks are not adjustable, usually with doors having stile less than 45mm. Rim locks are used with doors having maximum of 60mm stile.
Rim locks are usually operated by knobs or handles fixed on the inside. Mortise locks with a single bolt are operated with a turn of the key. Sash locks are integrated with spring bolt and also with a dead bolt. They contain holes, which can be used to fit handles. You have to buy those handles separately.
Special mortise sash locks are also available to use on the double doors, i.e. doors with the rebated vertical edges. Even conversion kits are also offered by some manufacturers, which enable you to modify the locks.
Unlike traditional doors, sliding doors require different kind of locks – Locks with a hook bolt or a claw. These locks are available in both mortise or rim design.
Lock maintenance
Lock maintenance is necessary for smooth functions. You need to lubricate the lock after every six month. For cylinder or lever lock apply powdered or flaked graphite on the key and put the key into the lock and move it back and forth. Bolts or handles should be lubricated as well. Oil should also be applied to the window locks having a single universal key. Make sure that the oil will not penetrate into the mechanism.
If your lock becomes sticky, first examine it by putting the key into it. Turn the key until the bolt is thrown out with the door open. If there is nothing wrong with it, the problem must be with striking plate or staple. Warping of the door or frame can also be the reason.
Always keep the keys free from dirt. This dirt or debris may not able to work properly with the lock.
About the Author
you might also want to learn about Building Underground Home Extensions and Buying the Right Lock
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