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Originally named Allen Manufacturing Company, the business produced hexagonal set screws and wrenches to fasten them. The terms "Allen wrench" (American English) 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 ...
A hex key (also, hex wrench, Allen key and Allen wrench or Inbus) is a simple driver for bolts or screws that have heads with internal hexagonal recesses ( sockets ). Hex keys are formed from a single piece of hard hexagonal steel rod, having blunt ends that fit snugly into similarly shaped screw sockets. The rods are bent to 90º, forming two ...
Ethan Allen (armsmaker) 6 shot .36 caliber percussion pepperbox by Allen & Thurber (Worcester). Barrel flute bears 1837 patent date, hammer is marked "Allen's Patent". Ethan Allen (September 2, 1808 – January 7, 1871) was a major American arms maker from Massachusetts. He is unrelated to the revolutionary Ethan Allen.
Manual fire alarm activation. An activated manual call point in Japan. Telephone jacks are visible beneath the open cover. Manual fire alarm activation is the process of triggering a fire alarm through a call point, pull station, or other device. This usually causes the alarm to sound the evacuation signal for the relevant building or zone.
This is a list of auto parts, which are manufactured components of automobiles. This list reflects both fossil-fueled cars (using internal combustion engines) and electric vehicles; the list is not exhaustive. Many (not all) of these parts are also used on other motor vehicles such as trucks and buses.
Advance Auto Parts, Inc. is an American automotive aftermarket parts provider. Headquartered in Raleigh, North Carolina , it serves both professional installer and do it yourself (DIY) customers. As of December 2023 [update] , Advance operated 4,935 stores and 321 Worldpac branches in the United States and Canada.
Rockwell Automation, Inc. is an American provider of industrial automation and digital transformation technologies. Brands include Allen-Bradley , FactoryTalk software and LifecycleIQ Services. Headquartered in Milwaukee , Wisconsin, Rockwell Automation employs approximately 26,000 people and has customers in more than 100 countries worldwide.
Socket wrench. 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. [ 2] The most prevalent form is the ratcheting socket wrench, often informally called a ratchet.