Miscellaneous

What are patent keys?

What are patent keys?

A patented keyway offers protection against unauthorized key duplication. A manufacturer with a UTILITY patent key system design controls the manufacturing and distribution of the cylinders and key (key blanks). To the customer, this means that keys and key blanks are not readily available in the open market.

What is patent locks?

The simple answer to that question is it’s a lock that has a patent. This is a very simple answer indeed. Locks that have these types of patents are typically called high security locks. They offer a high level of key control because the manufacturers are able to control the use and distribution of their key blanks.

How many different keyways are there?

7 different keyways
There are 7 different keyways C,CE,E,EF,F,FG and G. There is a special “P” keyway designed to accept any of the 7 keys and a special key blank designed to be accepted into all 7 keyways, 35-101 L which is made of stainless steel and requires a special machine to cut.

Can you get a do not duplicate key copied?

You probably wondered if it is illegal to duplicate the key. The truth is there’s no law regarding “do not duplicate” keys. Though many chain hardware stores, such as Ace, may refuse to cut a copy of these keys, a locksmith can easily duplicate them.

What is an anti lift device for patio doors?

Anti-lift devices, when fitted to the top of the door frame, reduce the gap between the frame and the top of the door, meaning the door can no longer be lifted and therefore cannot be taken off its runners.

What is C keyway?

For example, a Schlage “C” keyway is an open keyway that is available from many key and lock distributors. However, a Schlage “S123” keyway is available from only Schlage approved locations.

How do I know if I have a KW1 key?

Look at the large end of the key (also called the bow). If the bow has straight sides and a triangle-shaped top (like a house), you probably have a KW1 keyway. If the key is diamond-shaped (narrower at the top and bottom and wide in the middle), you probably have a SC1 keyway.

How much does copying a key cost?

Typical costs: For $1.25-$2 you can get a basic door or car key copied at most local hardware stores. The copying is done by a store employee who may or may not have training on how to copy keys.

What is a patented keyway?

A patented keyway provides protection for a period of time against unauthorized key duplication. The cylinder and key manufacturers apply for a utility patent for their unique design. This might be an extra ridge or depression on the side of the key, or a unique feature that has been protected for other manufacturers copying.

What is a restricted keying system?

With a restricted keying system, you can always determine the level of security and cost point that fits your budget and security needs. A patented keyway provides protection for a period of time against unauthorized key duplication. The cylinder and key manufacturers apply for a utility patent for their unique design.

What is a patented security cylinder?

Patented cylinder and keys. Security cylinders are typically restricted and/or patented, but they go one step further when it comes to the threat of the cylinder being compromised. The cylinder can be bump and/or pick resistant.

What are the different types of mechanical key systems?

There are four common types mechanical key systems that offer a better level of security or restrictions from duplication: UL437 High Security drill and pick resistant. Keying control from Conventional to High Security. Conventional cylinder cores and keyways is what you will typically receive if you do not ask for a more secure key system.