INDEX: Chain Saw Display Outfitting

INDEX:
Chain Saw Display Outfitting

Chanel Chain Saw Display Outfitting

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This Chain Saw Display Outfitting index page aggregates links
to all posts and photos of retail merchandising, display, and outfitting
as well as deep Background courtesy of Wikipedia.

BACKSTORY: A chainsaw (or chain saw) is a saw that cuts with a set of teeth attached to a rotating chain driven along a guide bar. Modern chainsaws are used in activities such as tree felling, limbing, bucking, pruning, cutting firebreaks in wildland fire suppression, harvesting of firewood, for use in chainsaw art and chainsaw mills, for cutting concrete, and cutting ice. Precursors to modern chainsaws were first used in surgery, with patents for wood chainsaws beginning in the late 19th century.

A chainsaw comprises an engine, a drive mechanism, a guide bar, a cutting chain, a tensioning mechanism, and safety features. Various safety practices and working techniques are used with chainsaws.

A chainsaw (or chain saw^[1]) is a portable saw that cuts with a set of teeth attached to a rotating chaindriven along a guide bar. Modern chainsaws are typically gasoline-, electric-, or battery-powered and are used in activities such as tree felling, limbing, bucking, pruning, cutting firebreaks in wildland fire suppression, and harvesting of firewood.

The origin of chainsaws in surgery is debated. A “flexible saw”, consisting of a fine serrated link chain held between two wooden handles, was pioneered in the late 18th century (c. 1783–1785) by two Scottish doctors, John Aitken and James Jeffray, for symphysiotomy and excision of diseased bone, respectively.^[2] It was illustrated in the second edition of Aitken’s Principles of Midwifery, or Puerperal Medicine (1785) in the context of a pelviotomy.^[3] In 1806, Jeffray published Cases of the Excision of Carious Joints, which collected a paper previously published by H. Park in 1782 and a translation of an 1803 paper by French physician P. F. Moreau, with additional observations by Park and Jeffray.^[4] In it, Jeffray reported having conceived the idea of a saw “with joints like the chain of a watch” independently very soon after Park’s original 1782 publication, but that he was not able to have it produced until 1790, after which it was used in the anatomy lab and occasionally lent out to surgeons. Park and Moreau described successful excision of diseased joints, particularly the knee and elbow, and Jeffray explained that the chainsaw would allow a smaller wound and protect the adjacent muscles, nerves, and veins.^[5] While symphysiotomy had too many complications for most obstetricians, Jeffray’s ideas about the excision of the ends of bones became more accepted, especially after the widespread adoption of anaesthetics. For much of the 19th century the chainsaw was a useful surgical instrument, but it was superseded in 1894 by the Gigli twisted-wire saw, which was substantially cheaper to manufacture, and gave a quicker, narrower cut, without risk of breaking and being entrapped in the bone.^[6]

A precursor of the chainsaw familiar today in the timber industry was another medical instrument developed around 1830, by German precision mechanic and orthopaedist Bernhard Heine. This instrument, the osteotome, had links of a chain carrying small cutting teeth with the edges set at an angle; the chain was moved around a guiding blade by turning the handle of a sprocket wheel. As the name implies, this was used to cut bone.^[7]

One of the earliest patents for an “endless chain saw” comprising a chain of links carrying saw teeth was granted to Frederick L. Magaw of Flatlands, New York in 1883, apparently for the purpose of producing boards by stretching the chain between grooved drums.^[8]^[9] A later patent incorporating a guide frame was granted to Samuel J. Bens of San Francisco on January 17, 1905, his intent being to fell giant redwoods.^[10]The first portable chainsaw was developed and patented in 1918 by Canadian millwright James Shand.^[11]^[12] After he allowed his rights to lapse in 1930, his invention was further developed by what became the German company Festo in 1933. The company, now operating as Festool, produces portable power tools. Other important contributors to the modern chainsaw are Joseph Buford Cox and Andreas Stihl; the latter patented and developed an electric chainsaw for use on bucking sites in 1926^[13] and a gasoline-powered chainsaw in 1929, and founded a company to mass-produce them. In 1927, Emil Lerp, the founder of Dolmar, developed the world’s first gasoline-powered chainsaw and mass-produced them.

World War II interrupted the supply of German chainsaws to North America, so new manufacturers sprang up, including Industrial Engineering Ltd (IEL) in 1939, the forerunner of Pioneer Saws Ltd and part of Outboard Marine Corporation, the oldest manufacturer of chainsaws in North America.^[14]

In 1944, Claude Poulan was supervising German prisoners cutting pulpwood in East Texas. Poulan used an old truck fender and fashioned it into a curved piece used to guide the chain. The “bow guide” now allowed the chainsaw to be used by a single operator.

McCulloch in North America started to produce chainsaws in 1948. The early models were heavy, two-person devices with long bars. Often, chainsaws were so heavy that they had wheels like dragsaws. Other outfits used driven lines from a wheeled power unit to drive the cutting bar.

After World War II, improvements in aluminum and engine design lightened chainsaws to the point where one person could carry them. In some areas, the chainsaw and skidder crews have been replaced by the feller buncher and harvester.

Chainsaws have almost entirely replaced simple man-powered saws in forestry. They are made in many sizes, from small electric saws intended for home and garden use, to large “lumberjack” saws. Members of military engineer units are trained to use chainsaws, as are firefighters to fight forest fires and to ventilate structure fires.

Three main types of chainsaw sharpeners are used: handheld file, electric chainsaw, and bar-mounted.

The first electric chainsaw was invented by Stihl in 1926.^[15] Corded chainsaws became available for sale to the public from the 1960s onwards,^[16] but these were never as successful commercially as the older gas-powered type due to limited range, dependency upon the presence of an electrical socket, plus the health and safety risk of the blade’s proximity to the cable.^[17]

For most of the early 21st century petrol driven chainsaws remained the most common type, but they faced competition from cordless lithium battery powered chainsaws from the late 2010s onwards.^[18] Although most cordless chainsaws are small and suitable only for hedge trimming and tree surgery,^[19] Husqvarna and Stihlbegan manufacturing full size chainsaws for cutting logs during the early 2020s.^[20]Battery powered chainsaws should eventually see increased market share in California due to state restrictions planned to take effect in 2024 on gas powered gardening equipment.^[21]^[22] (SOURCE: Wikipedia)