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Many lock manufacturers made this very popular style of lock. In 1877 Yale & Towne was granted a patent for a padlock that housed a stack of levers and had a shackle that swung away when unlocked. It was a notable design because the levers were sub-assembled into a "cartridge" that could be slid into a cast brass body shell.
Slaymaker Lock Company was a manufacturer of locks founded in 1888, which for a time made steam-powered automobiles. The company invented many unique inexpensive locks and were famous for their warded padlocks.
The company continued to be the sole supplier of all the lock requirements of Rolls-Royce Motors until 1991, when an acrimonious separation occurred. [14] [15] Nonetheless, in 1987, the British Yale's parent company merged it with the Valor Company to establish Yale & Valor. Subsequently, after a takeover by Williams Holdings, certain segments ...
Wilson Bohannan brass padlock. The Wilson Bohannan Lock Company (Marion, Ohio) has been manufacturing padlocks for almost 160 years. This makes them America's oldest continuous padlock maker. The founder Wilson Bohannan received his first padlock patent (No. 27,883) on April 17, 1860. In that patent his first name is spelled 'Wilsin', while in ...
Standard padlocks are built with one to two tiny holes in the bottom surrounding the keyhole. Since padlocks are often used outdoors, the main purpose of the holes is to let water drain out of the ...
Master Lock is an American company that sells padlocks, combination locks, safes, and related security products. Now a subsidiary of Fortune Brands Innovations , Master Lock Company LLC was formed in 1921 by locksmith -inventor Harry Soref and is headquartered in Oak Creek, Wisconsin .
ASTM F883 is a standard performance specification for padlocks.. This standard was created by the American Standard for Testing and Materials (ASTM). ASTM International, founded in 1898, is an international standards developing organization that develops and publishes standards for a wide range of materials, products, systems, and services.
However, Schlage's key invention was the bored cylindrical lock, which evolved through several iterations, including a 1917 filing for a mortise mechanism which locked when the knob was tilted, [5] one in April 1920 for a lock requiring one hole and a surface rabbet rather than a complex mortise pocket, [6] and another the same year in October ...