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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 ...
His first patent was in 1909, inventing a door lock that turned lights on and off. [1] At the time, Schlage was a citizen of Germany residing in Berkeley, California. [2] In 1919, Schlage patented a door knob which, when pushed up, locked the door. [3] [4] This was succeeded by a door knob incorporating a push-button lock, patented in 1924. [5]
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 ...
In 1973 the Slaymaker Lock Company was sold to the American Home Products Corporation and made part of Ekco Housewares Division. In the 1980s the lock company suffered because the market had been flooded with cheap padlocks and the Slaymaker Lock Company was losing money. By 1986 the company officially decided to cash out and the company closed ...
The previous standard, the mortise lock, needs a lot more wood to be removed from the door to fit its large and intricate lock body inside. With its lower manufacturing cost and ease of installation, the cylindrical lock supplanted the mortise lock as the norm in the United States; Europe, however, did not see widespread adoption, and continues ...
Company branding doesn't ofter draw from Roman mythology, much less from a figure so unseemly. And yet, the envy motif appears to be littered throughout the company’s products.
An Ohio man allegedly slammed a 15-month-old girl on the floor after she wouldn’t stop crying, fracturing her skull. Two weeks later, she died of her injuries.
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.