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An adjustable spanner (UK and most other English-speaking countries), also called a shifting spanner (Australia and New Zealand) [1] or adjustable wrench (US and Canada), [a] is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed spanner.
Johan Petter Johansson (December 12, 1853 – August 25, 1943), sometimes known as JP, was a Swedish inventor and industrialist. He invented a modern adjustable spanner [1] (patents in 1891 and 11 May 1892). He obtained over 100 patents in total.
Victor Leaton Ochoa (1850 Chihuahua, Mexico – 1945 Sinaloa, Mexico) was a Mexican American revolutionary, journalist, union leader, miner, prisoner and inventor. He is best known for his invention of the Ochoaplane, the electric brake, an adjustable wrench, a pen and pencil clip and a windmill.
The story of Bahco began in 1886 when the Swedish inventor Johan Petter Johansson (1853–1943) established his company Enköpings Mekaniska Verkstad in Enköping, Sweden. Johan Petter, also known as JP, was an inventor and industrialist. He invented the modern plumber wrench (1888) and adjustable wrench (patents in 1891 and 1892). [1]
The most common type of adjustable wrench in use today. The adjustable end wrench differs from the monkey wrench in that the gripping faces of the jaws are displaced to a (typically) 15 degree angle relative to the tool's handle, a design feature that facilitates the wrench's use in close quarters. The modern adjustable end wrench was invented ...
Inventing the adjustable spanner Edwin Beard Budding (25 August 1796 – 25 September 1846 [ 1 ] ), an engineer born in Eastington, Stroud , Gloucestershire , was the English inventor of the lawnmower (1830) and adjustable spanner (1842).
Monkey and Stillson wrenches Daniel Chapman Stillson (March 25, 1826 – August 23, 1899) was an American inventor. He invented the modern adjustable pipe wrench .
A pipe wrench is any of several types of wrench that are designed to turn threaded pipe and pipe fittings for assembly (tightening) or disassembly (loosening). The Stillson wrench, or Stillson-pattern wrench, is the usual form of pipe wrench, especially in the US. The Stillson name is that of the original patent holder, who licensed the design ...