When was the combination lock invented?

Answer The combination lock was invented by an Arabian engineer and inventor named al-Jazari in the Middle Ages sometime before 1206. The first modern combination lock was patented by Linus Yale, Sr., and... Read More »

Top Q&A For: When was the combination lock invented

Where was the combination lock invented?

The earliest record of the existence of the combination lock was in a Roman tomb in Athens, Greece. The device contained several dials instead of a keyhole. However, the combination lock was not pa... Read More »

How to Record the Combination Numbers on a Combination Lock with Modulo Encryption?

Lock with encrypted combinationRecord the combination lock numbers, encrypted, directly on the lock itself so that you can retrieve the combination for that lock without trying to remember where yo... Read More »

How do you change your screen lock combination if you forgot the original combination?

Is it possible to change a dial combination lock to an electric key punch lock?

Ann, The short answer is yes. The long answer is; how difficult depends on the lock that is currently installed, and the operating bolt work. Some safes are directly retrofitable, and some safes m... Read More »