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In 1907 the S.R. Slaymaker Co. was reorganized and renamed the Slaymaker Lock Manufacturing Co. They purchased Dayton Manufacturing, an Ohio lock making company, in 1917. Also in 1917 the company was once again renamed when W. E. Fraim bought into the company and the company's new name became the Slaymaker Lock Company.
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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 ...
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. The next major innovation to mortise lock mechanisms came in 1865.
Harry Soref founded the Master Lock Company in 1921 and patented an improved padlock in 1924 with a patent lock casing constructed out of laminated steel. Linus Yale Sr. invented a pin tumbler lock in 1848. 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 ...
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 subsequent patents (Nos. 46,539 ...