Friday, October 24, 2014

1941 Ford Lock Re-Key

I had a customer recently that brought me a pair of new door locks for a 1941 Ford which he is currently working on a restoration for. The locks had the original Briggs & Stratton keys and looked similar to the older AMC door locks, beside the fact that they did not have the exposed plug release.

When I tried contacting the company where the customer got his locks from , I found out that these locks were manufactured as a limited production  and were not listed in any of the company's catalogs. In order to remove the plug of these locks for re-keying, I used the key to turn the plug left all the way to the stop position. Then, I inserted a curved shim between the plug and the cylinder at a point marked by a sticking surface point on the edge of the plug. At that point, I could feel the spring-loaded retaining pin. I then pushed in on this pin which in return allowed the plug to rotate past the stop, getting to a removal position. Finally, I was able to just pulled the plug out of the cylinder and re-key it just as I would do to any other wafer lock.

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Commercial Property Exit Devices

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Friday, October 10, 2014

Master-Key Planning

If you are about to do a job involving the implementation of a master-key system, there are a few simple rules that would be recommended to be followed. Following these rules will eliminate operating keys acting as unexpected Masters or Control Keys. Make certain that the Control Key bitting is opposite to the even/odd combination in the master and change keys. This should be done for each bitting position.

Another good practice when planning a master-key system is to have at least one cut on a master key that is higher than any on the Operating Key in that same position. This will eliminate the possibility of anyone "cutting down" an Operating Key and turning it into a Master Key. It is also recommended to use even numbers next to odd numbers in master keying in order to rule out the possibility of having keys that have similar depth. Same depth keys would need to be disqualified from the system and decreasing the number of combinations that are usable.

In addition, do not use a bitting in a Master Key that will be used in an Operating Key for any chamber. For example, if a 6 cut is used on Chamber #5 for the Master Key, then the Change Key will not have that specific cut in that same 5th position. Finally, it is recommended to use only one Master Pin per chamber. Each additional master pin will decrease the security by creating incidental Masters which may catch in a large system, even though they are detectable.It wouldn't be an ideal situation if the mail room attendant will discover he had a key to the rooms in the executive suite in which then the owner would be fairly upset about the locksmith technician who designed the system.

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Automotive Locksmith Services in Reno

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Friday, October 3, 2014

Schlage Everest Lock System

Even though Schlage is a recent addition into the SFIC arena, the creation of the patented Everest (used by many locksmith companies in the country) Series of 1-cores is a nice addition to the restricted genre of Icores. The Everest line, first produced in October of 1998. Even though its different, it can still retrofit to any existing SFIC hardware. As a side note, it was Schlage that actually coined the term "Small Format Interchangeable Core", SFIC, as a worldwide concept for an interchangeable core that is different than the larger, "full size" interchangeable cores.

The term has now become an accepted part of the industry. Everest™ is a wide range line of patented key cylinders produced by Schlage. They include the large and small format (LFIC) interchangeable cores, and the  large format standard cylinders. Everest' keys style are similar to those of the popular and recognizable Schlage key, but with minor differences. A patented undercut groove on the right side of the key section, requiring a secondary milling operation in the key blank production which exist in the system.

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Broken Key Extraction

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