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Although motor oil is a common emergency substitute, it is lost even faster, so leaves the chain under-lubricated. [citation needed] The oil is pumped from a small pump to a hole in the bar. From there, the lower ends of each chain drive link take a portion of the oil into the gauge towards the bar nose. The pump outlet and bar hole must be ...
They served as the headquarters and manufacturing facility of the Hunter Saw & Machine Company, which produced various custom tools and machinery with a specialty in cold saws. The company was founded in 1898 by Henry S. Hunter, Joseph Kennedy, and Emil Anschuetz, and remained in business until 1969 when it was bought out by a competitor, ASKO.
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.
It was thought that evidence of the earliest true crank handle was found in a Han era glazed-earthenware tomb model of an agricultural winnowing fan dated no later than 200 AD, [3] [4] but since then a series of similar pottery models with crank operated winnowing fans were unearthed, with one of them dating back to the Western Han dynasty (202 ...
So-called "prism" sharpeners, also called "manual" or "pocket" sharpeners in the United States, have no separate moving parts and are typically the smallest and cheapest commonly used pencil sharpener on the market. The simplest common variety is a small rectangular prism or block, only about 1 × 5/8 × 7/16 inch (2.5 × 1.7 × 1.1 cm) in size ...
Strap-type oil-filter wrench. A ratchet is used to turn it. Strap-type oil-filter wrench. This one has a handle built in. Socket-type oil-filter wrench. It fits over the end of the filter and is turned with a ratchet. It is made of stamped steel. An oil-filter wrench is a tool for removing spin-on type oil filters.
Knife sharpener in Kabul, Afghanistan (1961) The Knife Grinder by Massimiliano Soldani (c.1700), Albertinum, Dresden A railway camp cook sharpens a knife blade on a stone wheel, 1927 Knife sharpening is the process of making a knife or similar tool sharp by grinding against a hard , rough surface, typically a stone , [ 1 ] or a flexible surface ...
An unusual form of four-stroke model engine that uses what is essentially a sleeve-valve format, is the British RCV series of "SP" model engines, which use a rotating cylinder liner driven through a bevel gear at the cylinder liner's "bottom", which is actually at the aft end of the cylinder; and, even more unusually, have the propeller shaft ...