![]() ![]() Another unique feature of the rim lock is that the key can operate the lock from both ends of the keyway, as is shown here. The key is what is used to engage and disengage the lock or retract and throw the bolt. On the other hand, the deadlock bolt is used in conjunction with a key. Most rim locks with sliding latches make use of handles and knobs. The latch is retracted when pressure is applied and extended when pressure is released. The sliding latch is pressure operated and spring loaded. A rim lock commonly makes use of a sliding latch or a deadlock as its locking mechanisms. Rim locks refer to the installation method, which is a surface mounted installation. The term rim lock can often be misleading because it doesn’t give you any information about the locking mechanism. Replicas are often made from iron, brass, and nickel. A majority of rim locks were originally made from cast iron. These locks are not suited for entry doors but you can easily find rim locks for interior doors. I will discuss the installation of rim locks in more detail later. Rim locks can be screwed to the surface of a door. As the name suggests, surface mounted rim locks are affixed to the surface of a door. ![]() Enough of the chatter though, let’s dive headfirst into learning more about rim locks. This is one of the reasons you will usually find working rim locks on much older buildings. Rim locks are rather old locks, and their core design has not changed much over the years. If you think I’m misleading, check out the history of padlocks or the history of handcuffs, both make for a fascinating read. In addition to their unique design, the rim lock has a rich and fascinating history, as many other locks do. ![]() However, the rim lock is not just any other lock. I don’t blame you for being unaware of rim locks, and I won’t blame you for dismissing them as any other lock. You have probably come across a rim lock without actually knowing what it was. Rim locks are a common fixture in many old homes. ![]()
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