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Linus Yale Jr. improved upon his father's lock in 1861, using a smaller, flat key with serrated edges that is the basis of modern pin-tumbler locks. Yale Jr. developed the modern combination lock in 1862. Alfred Charles Hobbs demonstrated the inadequacy of several respected locks of the time in 1851 at The Great Exhibition, and popularized the ...
Key cutting is the primary method of key duplication: a flat key is fitted into a vise in a machine, with a blank attached to a parallel vise, and the original key is moved along a guide, while the blank is moved against a blade, which cuts it.
Key relevance cannot be deduced from a key code, since the key code merely refers to a central authoritative source for designed shapes and sizes of keys. Typical modern keys require a key relevance of approximately 0.03 to 0.07 millimetres (0.0012 to 0.0028 in) (accuracy within 0.75% to 1.75%) in order to operate.
Originally Gateway Manufacturing Company, Kwikset was founded in California in 1946 by Adolf Schoepe, and Karl Rhinehart. [ 1 ] The current name for the company was derived from the company's first locks, which pioneered the then-revolutionary tubular lock design, which was relatively fast to install.
Industrial smart locks (passive electronic lock) are a branch of the smart lock field.They are an iterative product of mechanical locks like smart locks. However, the application areas of industrial smart locks are not smart homes, but fields that have extremely high requirements for key management, such as communications, power utilities, water utilities, public safety, transportation, data ...
Mul-T-Lock was established in 1973, with the invention of the 4-way lock. In 1976,Its marketing efforts expanded internationally in 1976. As the company experienced growth, it expanded its manufacturing facilities. [2] In 1987 Mul-T-Lock opened its first business unit in the United States and its second manufacturing plant in Israel. [3]
VingCard Elsafe, whose origin was in Moss, Norway, is an international producer of hotel locking systems, electronic in-room safes and energy management systems.After inventing the first mechanical hole card operated lock in 1976, VingCard was acquired in 1994 by ASSA ABLOY, and merged with the electronic safe producer Elsafe [2] to form VingCard Elsafe in 2006.
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.
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