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The terms "Allen wrench" (American English, though "Allen key" is also common in the US) and "Allen key" (British English) [3] are derived from the Allen brand name and refer to the generic product category "hex keys". W.G. Allen [4] filed the first related patent in 1909 for its recessed hex-driven safety screws, [5] a safety improvement over ...
The idea of a hex socket screw drive was probably conceived as early as the 1860s to the 1890s, but such screws were probably not manufactured until around 1910. Rybczynski (2000) describes a flurry of patents for alternative drive types in the 1860s to the 1890s in the U.S., [2] which are confirmed to include internal-wrenching square and triangle types (that is, square and triangular sockets ...
Folding_Allen_key_set,_unfolded.jpg (800 × 600 pixels, file size: 120 KB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Halfords rebranded in February 2003, to the black and orange logo it has today. [5] Halfords entered into a Collaboration Agreement with Autobacs Seven Co. on 11 July 2005, [6] a Japan based car accessory retailer with chains of stores all over the world and is best known for being the title sponsor of Super GT and D1 Grand Prix. [7]
Socket set with ratchet (above), four hex sockets and a universal joint. A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.
Alan Lee Keyes (born August 7, 1950) is an American politician, political scientist, and perennial candidate who served as the Assistant Secretary of State for International Organization Affairs from 1985 to 1987.