Who invented chainsaw?

Robert Paxton McCulloch was an American entrepreneur from Missouri, best known for McCulloch chainsaws and purchasing the "New" London Bridge, which he moved to Lake Havasu City, Arizona — one of the cities he founded.

Who invented the chainsaw and why?

In the late 18th century, 2 Scottish doctors, John Aitken and James Jeffray, developed a prototype of the chainsaw—familiar today in the timber industry—for symphysiotomy and the excision of diseased bone. The design of the chainsaw was based on a watch chain with teeth that moved through the use of a hand-crank.

Who invented the original chainsaw?

The scary-looking child birthing tool was actually invented in Scotland, by doctors John Aitken and James Jeffray. The two Scottish surgeons are credited with inventing the chainsaw in the 1780s.

Why was the chainsaw originally invented?

Two doctors invented the chainsaw in 1780 to make the removal of pelvic bone easier and less time-consuming during childbirth. It was powered by a hand crank and looked like a modern-day kitchen knife with little teeth on a chain that wound in an oval.

Did Stihl invent the chainsaw?

Stihl are the largest chainsaw manufacturer in the world, and it was their forbear, Andreas Stihl that first invented the electric chainsaw in 1926.

What Was the Original Purpose of the Chainsaw (The Origin)

What does STIHL mean in German?

Stihl (/stiːl/ ( listen), German: [ʃtiːl]) is a German manufacturer of chainsaws and other handheld power equipment including trimmers and blowers. Their headquarters are in Waiblingen, Baden-Württemberg, near Stuttgart, Germany.

What is the oldest chainsaw brand?

Stihl is the oldest chainsaw manufacturer in the world, with its first electro-chainsaw hitting the market in 1926.

When was the first chainsaw invented?

The first chainsaw was designed by German orthopaedist Bernhard Heine in 1830. He called it the osteotome, from the Greek osteo (bone) and tome or tomi (cut); literally, the bonecutter. This chainsaw, as well as many that followed, were used for medical purposes.

What's the best angle to sharpen a chainsaw chain?

The sharpening angle will generally be between 25° and 35° – the harder the wood, the greater the angle. To maintain the correct angle, we recommend that you use a sharpening grid or a filing gauge as an aid.

What is Symphysiotomy operation?

Symphysiotomy is an operation that is done to increase the size of the pelvic outlet to permit vaginal delivery of a baby. The procedure involves surgically dividing, under local anaesthesia, the cartilage of the symphysis pubis.

Can a chainsaw cut through bone?

Bones may be slightly tougher, but they are rigid and a chainsaw will likely be able to cut through them without much problem - though it will probably dull the blade more than wood.

How does a chainsaw cut?

A chainsaw is a portable saw that cuts through wood or wooden objects by the use of “teeth” running in a circular motion around a guiding bar. The “teeth” on the blade of a chainsaw is actually a metal chain that has notches or grooves at certain intervals to cut through even the hardest types of wood with ease.

How many times can a chainsaw chain be sharpened?

A chainsaw chain can be sharpened up to 10 times, sometimes more, before the entire chain needs replacing. It's mostly dependent on two things; the amount of wear your chain incurs and the amount of metal removed every time you sharpen.

How long do chainsaw blades stay sharp?

A chainsaw may only need to be sharpened once a year if it is rarely used, but a tool that is frequently used will need to be sharpened regularly to ensure that the blade doesn't get too dull. On average, a chainsaw blade will retain its sharpness for about 3 hours of actively cutting through wood.

Who invented the wood saw?

According to Chinese legend, the saw was invented by Lu Ban. In Greek mythology, as recounted by Ovid, Talos, the nephew of Daedalus, invented the saw. In archeological reality, saws date back to prehistory and most probably evolved from Neolithic stone or bone tools.

When did Stihl start making chainsaws?

In 1926, Stihl designed and built the first two-person electric chain saw. Its portability revolutionized the forestry industry. Since that first chain saw launched more than 90 years ago, the STIHL name has stood for outstanding innovations, high-quality products and comprehensive service.

When did chainsaws become popular?

Corded chainsaws became available for sale to the public from the 1960s onwards, 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.

Where is Stihl made?

Employing more than 2,000 workers at our state-of-the-art factory in Virginia Beach, we manufacture millions of gas- and battery-powered products every year, exporting them to more than 90 countries around the world.

Where are Husqvarna made?

Where are Husqvarna chainsaws made? Husqvarna chainsaws come from many countries even though the label says made in “Sweden” or “USA”. The company has facilities and subsidiaries in Sweden, France, Germany, the United States, China, and Brazil.

Are McCulloch chainsaws still made?

Since then, McCulloch is a brand within the Husqvarna Group. Today, McCulloch offers a complete line of garden products: powerful chainsaws, sturdy trimmers, lawnmowers, garden tractors and hedge trimmers. Each one provides you with all the power you need to get it done.

Why do chainsaw chain dull so quickly?

If your chain dulls quickly, then it could be a couple of things. Check your user's manual to ensure that you are using the right sized file for your chain. Alternatively, you could be applying too much pressure when you file. This will create cutting edges that are too thin and dull quickly.