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Felter's lock was patented only three years after Linus Yale, Jr. received a patent for his revolutionary pin tumbler mortise lock, considered to be the first pin tumbler lock of the modern era. That lock featured a flat steel key, referred to as a "feather key" because of the marked contrast with the heavy bit keys of the day.
A lever tumbler lock is a type of lock that uses a set of levers to prevent the bolt from moving in the lock. [1] In the simplest form of these, lifting the tumbler above a certain height will allow the bolt to slide past. The number of levers may vary, but it is usually an odd number to ensure symmetry in locks that can be opened from both ...
The Crystal Palace Exhibition, where Hobbs, designer of the Protector lock, became the first person to pick the supposedly "unpickable" Chubb detector lock.. The Protector lock (also called the "moveable lock") was an early 1850s lock design by the leading American locksmith Alfred Charles Hobbs, the first man to pick the six-levered Chubb detector lock, at the Crystal Palace Exhibition in 1851.
A child safety lock is a special-purpose lock for cabinets, drawers, bottles, etc. that is designed to help prevent children from getting at any dangerous things or contents. Young children are naturally curious about their surroundings and will always explore, but as they may be unaware of dangerous substances or situations, the results can be ...
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 In a pin tumbler lock, the key pin is in contact with the key. It has varying lengths, corresponding to the key's ...
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.
A Chubb detector lock is a lever tumbler lock with an integral security feature, a re-locking device, which frustrates unauthorised access attempts and indicates to the lock's owner that it has been interfered with. When someone tries to pick the lock or to open it using the wrong key, the lock is designed to jam in a locked state until ...
A tubular lock and key. A tubular pin tumbler lock, also known as a circle pin tumbler lock, radial lock, or the trademark Ace lock popularized by manufacturer Chicago Lock Company since 1933, is a variety of pin tumbler lock in which a number of pins are arranged in a circular pattern, and the corresponding key is tubular or cylindrical in shape.
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3579 S High St, Columbus, OH · Directions · (614) 409-0683