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Chubb Locks is a former brand name of the Mul-T-Lock subsidiary of the Assa Abloy Group, which manufactures locking systems for residential, secure confinement and commercial applications. When the brand licence expired in 2010 the name ceased to be used, with the same locks sold as Yale or Union locks.
Hobbs Hart & Co Ltd became a member of the Chubb Group in 1956, Chatwood-Milner Ltd in 1958 and Josiah Parkes & Sons (Holdings) Limited in 1965. The Racal Electronics Group then acquired Chubb & Sons Lock and Safe Company in 1984 and before US company, Williams Holdings, took it over in 1997.
The company won a government competition for a lock which could not be opened other than by its own key. [ 2 ] In 1835, the company produced its first Chubb safe at its factory in Wolverhampton , UK and, in the second half of the 19th century, the company expanded into the United States, and produced a time lock that was fitted to bank vaults ...
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 ...
Chubb Limited is an American–Swiss [2] company incorporated in Zürich, and listed on the New York Stock Exchange (NYSE) where it is a component of the S&P 500. [3] Chubb is a global provider of insurance products covering property and casualty, accident and health, reinsurance, and life insurance and is the largest publicly traded property and casualty insurance company in the world. [4]
John Chubb (10 December 1816 – 30 October 1872), was an English locksmith and inventor who patented many improvements to locks, safes and strong rooms. [ 1 ] He succeeded his father Charles Chubb , who had founded the family company of Chubb & Son .
In 1835, he patented a process intended to render safes burglar-proof and fireproof, and subsequently established a large safe-factory in London. He died on 16 May 1846, and was succeeded in the business by his son, John Chubb (1816–1872), who patented various improvements in the products of the firm and greatly increased its output.
Chubb's lock was patented in 1818. Again, the term refers to the lock mechanism, so a lock can be both a mortise lock and a lever tumbler lock. In the modern lever tumbler lock, the key moves a series of levers that allow the bolt to move in the door. [5] Pin tumbler lock, commonly used for mortise locks in the US