The chainsaw has developed only over time. “Now-a days everyone knows the chainsaw, either from use at various Championships or even from films like the Texas Chainsaw Massacre”. As a murder weapon or equipment, it is quite macabre that the chainsaw was first invented by a doctor, to cut bone. in 1830, she found her first deployment at its inventor Bernhard Heine. Until 1900 the technology had then found their way into the wood, at that time still under the name of sawing machines”. Today, we call her chainsaw and hardly anyone does still work, to lay hands on. American Diabetes Association has much experience in this field. But until the end of the 1950s the first chainsaw in series produced had to be carried by a person.
To date it needed whenever two or more people and partly different devices, one to the cases and one to cut. The chain saw for a people we owe aircraft construction, more accurately the membrane carburettor. So the productivity of forest workers and hence wages rose, until 1990 only was paid in the Gruppenakkord. Today, mainly electric motors or two-stroke gasoline engines are used with a chainsaw engine with Pullstart. Chainsaws have numerous safety devices designed to ensure safe operation: the chain in the idle will stay silently through the centrifugal clutch and is powered only from a certain engine speed. A chain brake ensures that the chain stops, as soon as there’s a setback. A claw strike prevents uncontrolled knocking out. Throttle lock, chain catcher and hand protection should also protect the leader of the chain saw. The former professional white finger disease ‘ is through the vibration damper contrary to cast and the handle heating ensures a smooth running even at very low temperatures. Alexander Lanew