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Joseph Buford Cox (1905 – August 10, 2002), [1] was an American inventor and businessman. He invented what is now known as the chipper type chain for chain saws.He based his design on the C-shaped jaws of the larva of the timberman beetle. [2]
Oregon Tool is the largest manufacturer of saw chain in the world, with the Oregon brand holding the title of #1 saw chain in the world. Saw chain sold under the Oregon brand is sold to OEMs, dealers, and direct-to-consumer. Other products sold under the Oregon brand include: chain saw bar, sprocket, lawn mower blades, and string trimmer string.
Typical dimensions are on the order of approximately 100–140 mm (4–5 1 ⁄ 2 in.) in length and 3–5 mm (1 ⁄ 8 – 3 ⁄ 16 in.) in width. Best used for fine, delicate work on small pieces or mechanisms (such as escapements ), escapement files are commonly used by clock and watchmakers , as well as in crafting jewelry.
Chainsaw engines are traditionally either a two-stroke single-cylinder gasoline (petrol) internal combustion engine (usually with a cylinder volume of 30 to 120 cm 3) or an electric motor driven by a battery or electric power cord. In a petrol chainsaw, fuel is generally supplied to the engine by a carburetor at the intake.
Chains will naturally dull over time with use. The friction cause by cutting wood gradually wears the chain's teeth down. However, the technique of use can also contribute to a chain dulling quickly. Cutting at too sharp an angle, cutting into dirt, [4] and cutting frozen wood [5] can prematurely dull your chain.
A flat file. Filing is a material removal process in manufacturing. Similar, depending on use, to both sawing and grinding in effect, it is functionally versatile, but used mostly for finishing operations, namely in deburring operations.
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