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87When Your Key Won't Turn
Someday you might come home or go to open up your business and find that your key won't turn at all, not even a little. There are several reasons this might occur. At right, illustrations show the operation...
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75USPS Approved Mailboxes - FAQ
These questions and answers apply to multi-unit mailboxes in the United States, such as the one pictured at right. Q: I lost my mailbox key. Can I get a new mailbox key from the Post Office? A: No, you...
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85Door Closer Adjustment
See also: Door Closer Basics This article is primarily about surface mounted door closers, but the ideas herein can be applied to other kinds of door closers as well. Door closer adjustment is an art that...
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84How to Change Your Locks
If all you need to do is change the key to your lock, and you are fairly good with tools, you may want to do it yourself. Or, you may want to remove the lock and bring it to a locksmith to be rekeyed. In...
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80Multi-Point Locking Systems
Most locking systems are single-point locking systems, which is to say they lock into a single plate on the frame of the door. Single-point locks include most cylindrical, tubular, and mortise locks. An...
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75ASSA ABLOY Mobile Innovation Showroom
This article provides a broad overview of some of the new products featured in the ASSA ABLOY Mobile Innovation Showroom (shown above). Top right, the Yale inTouch touch screen stand alone electronic...
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83mortise lock functions
One of the biggest advantages of specifying mortise locks over other types of locks is the great variety of functions available. In this article I will discuss mortise locks for use in commercial /...
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83Hardware for Aluminum Storefront Doors
See also: Exit Device and Panic Hardware Basics Electrifying an Aluminum Storefront Opening Door Closer Basics Aluminum and glass storefront doors usually have the characteristic that they have much...
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73How to Lay Out a Master Key System
A master key system is a set of locks that are keyed so that they each may have an individual key, called a pass key, yet all are opened by an additional, special key called a master key. These locks would be...
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87Exit Device and Panic Hardware Basics
Introduction The terms "crash bar", "panic bar", and "exit device" all mean the same thing. Exit devices are used on doors in the path of egress in buildings built to accomodate numbers of people. Facilities...
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