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Padlocks with modular locking mechanisms can often be taken apart to change the tumblers or to service the lock. Modular locking mechanism cylinders frequently employ pin, wafer, and disc tumblers. Padlocks with modular mechanisms are usually automatic, or self-locking (that is, the key is not required to lock the padlock)
Adolph Schoepe and friend [2] Karl Rhinehart founded Gateway Manufacturing Company in South Gate just before the end of World War II. They manufactured locks under the Kwikset brand. They moved the company to Anaheim in 1948. [2] During the Korean War, demand plummeted, but the company took a risk, producing more goods than they could sell.
Electric locks use magnets, solenoids, or motors to actuate the lock by either supplying or removing power. Operating the lock can be as simple as using a switch, for example an apartment intercom door release, or as complex as a biometric based access control system. There are two basic types of locks: "preventing mechanism" or operation ...
A square, rounded or V-shaped depression, filed or machined into a key, to allow the key to turn in its lock. In pin tumbler locks, the series of key cuts on a key causes the pins to line up at the shear line or gate so the lock will open. In warded locks, the key cuts bypass the wards so the key can push or pull the bolt. [6] Key pin
The keyhole of a mechanical cam lock is usually the same as an ordinary padlock. A physical key is used to unlock the lock. The physical key has a notch or slot corresponding to the obstacle in the cam lock, allowing it to rotate freely in the lock. Different from mechanical cam locks, electronic cam locks use an electronic key to unlock.
Here is a non-exhaustive list of historical projects undertaken by the Yale Lock Company, where they equipped buildings with their locks and hardware: [21] [22] Metropolitan Life Insurance Company Tower, the headquarters of the Metropolitan Life Company (1909) Woolworth Building, the headquarters of the Woolworth Company (1912)