Tuesday, October 10, 2006

How Was The "Allen Wrench" Named?

Allen Wrench
An Allen wrench, Allen key, hex key or hex head wrench is a tool used to drive Allen screws and bolts, which have a hexagonal socket in the head. "Allen wrench" was originally a trademark of Allen Manufacturing Company in Hartford, Connecticut in 1943. In non-English speaking parts of Europe, it is usually known as an "Unbrako key" (also often misspelled as "Umbrako"), which is a brand name established in 1911. The brand is owned by SPS Technologies. In Germany and Netherlands, this type of screw is known under the name Inbus™, named after the company that invented them in 1936, Bauer & Schaurte Karcher in Neuss (Innensechskantschraube Bauer und Schaurte). (It is still known as Inbus-key - or often misspelled as Imbus-key - in parts of Europe.) In Italy it is known as brugola, after Egidio Brugola, who invented it in 1926. (Wikipedia)

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posted by Staff @ 2:47 PM