Cylinder Lock System - Mei Lock & Security
                     CYLINDER LOCK SYSTEM
MEI Lock & Security
A cylindrical cylinder lock system is installed in 
commercial buildings with a flat round bolt that 
fits into an opening cut into the front wall of the 
doorway. The lock is attached to a special key 
caddy which crosses over the top of the flat 
surface of the doorway. A knob on the front side 
of the lock picks up the key and releases it. The 
other important component of a cylindrical lock is 
its interior locking device. This part contains a 
thumb turn latch, spring, tumbler and an idler 
drive.
There are many types of commercial door locks 
available. One of them is the keyed 
cylinder lock system which has been designed for 
residential use. This system works perfectly for 
sliding doors. It is usually made of heavy duty 
constructional steel and is equipped with an 
automatic key system. These locks can also be 
custom-built to meet the requirements of the 
customer.
• Key cylinder lock systems use a combination of pins which are arranged in pairs around 
the cylinder and the locking device. One of them will pick up the key from the other and if 
this key is available it can be used to open the lock. These locks have very good recall 
ability. They are ideal for hotels and commercial centers where multiple keys need to be 
controlled. They have been designed so that they cannot be picked by anyone but the 
owner. Most of them can be operated using either a keypad or a master key system.
• Deadbolt lock systems have been designed to prevent accidental opening of doors. The 
locking mechanism is usually a pin which has been mounted in a knob and is turned 
when the lock cylinder is rotated. The key provided by the customer is inserted into this 
slot and once this is done, the knob locks itself in place. The most common types of 
deadbolt lock cylinder mechanism are the vertical deadbolt lock. These cylinder locks are 
suitable for single-cylinder doors that can be locked by hand but their installation is quite 
difficult.
• Manual cylinder lock systems have been designed to provide home and business owners 
with high security but these models are the most difficult to install as they have to be 
operated manually. A manual cylinder lock system is usually installed over the top of a 
deadbolt. They are designed to give the user maximum security against intruders but at 
the same time offer the most flexibility when it comes to operating them.
• Tumbler lock cylinder combination is one of the most commonly used locking 
mechanisms. These are usually preferred for single-cylinder doors as they allow the user 
to open the door while keeping the combination safe. Tumblers can either be hard-wired 
or manual. While hard-wired models can be activated manually, manual models need to 
be turned on manually and can also only be used for double or triple layer doors. With 
regards to their pricing, both varieties are relatively inexpensive.
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