Here's the first US designed can opener: The classic toothed-wheel crank design most people use today was created shortly after, in 1925.
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The ABS sensor of a BMW K 1100 LT A toothed-wheel ABS sensor. These are the front brake discs on a BMW R1150GS. The toothed ABS ring indicates that this bike was manufactured before November 2002. Another toothed-wheel ABS sensor.
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The filling product is again moved into the screw feed system with the aid of a vacuum and mechanical feeding devices. ; Toothed wheel feed system: An outer toothed ring is driven, rotating an inner toothed wheel with it. The toothed wheels form cell segments as they move against each other. The cell content is transported through the toothing and it is then voided and ejected in the outlet area.
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These are depressed by cam referred to as eccentrics.. The loom is powered by a leather steam-belt which drives the driving shaft. Here there is a flywheel to smooth the motion and a crank mechanism to drive the battens (swords) and a toothed wheel. This engages a second shaft known as the tappet shaft or wiper shaft whose job is to lower the treadles and throw the shuttle. This turns half the speed of the driving shaft, so its toothed wheel is twice the size.
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The double cylinder was Murray's invention, he paid Richard Trevithick a royalty for the use of his patented high pressure steam system, but improved upon it, using two cylinders rather than one to give a smoother drive. Because only a lightweight locomotive could work on cast iron rails without breaking them, the total load they were capable of hauling was very much limited. In 1811, John Blenkinsop patented a toothed wheel and rack rail system. The toothed wheel was driven by connecting rods, and meshed with a toothed rail at one side of the track.
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Speed sensing devices, termed variously "wheel impulse generators" (WIG), speed probes, or tachometers are used extensively in rail vehicles. Common types include opto- isolator slotted disk sensors and Hall effect sensors. Hall effect sensors typically use a rotating target attached to a wheel, gearbox or motor. This target may contain magnets, or it may be a toothed wheel.
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Chain track drive sprocket (Leclerc battle tank, 2006) In the case of vehicles with caterpillar tracks the engine-driven toothed-wheel transmitting motion to the tracks is known as the drive sprocket and may be positioned at the front or back of the vehicle, or in some cases both. There may also be a third sprocket, elevated, driving the track.
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A semi-automatic rubber band gun is capable of firing at least three rubber bands when fully loaded. Semi-automatic rubber band guns are available in a variety of semi-realistic shapes, such as Luger- style pistols, rifles, and Tommy guns. The repeater RBG is usually made of wood (although many Lego-based designs have been produced), and has a plastic firing mechanism, consisting of a toothed wheel onto which the bands are hooked, and a sprung trigger or escapement that releases the wheel by one notch, releasing a rubber band every time the trigger is pulled. In Lego designs, a gear is commonly used in place of the toothed wheel, and due to how fine the teeth on the gear are, the escapement allows a rotation of more than one tooth, requiring rubber bands to be loaded a set number of teeth apart.
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The township logo was designed by Reg Mason. The tree represents forested areas; the brickwork and shield represent the foundation for the new era; and within the shield is a buggy representing the Mennonite people. The church stands for freedom of religious choice, and the great blue heron represents the phantom of the marsh. The large toothed wheel stands for industry, and the grain sheaths represent the agriculture of the area.
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The apparatus had a worm on the axle of the two wheels that meshed with a toothed wheel to drive another transverse screw that carried a slider. A pencil on the slider recorded the distance travelled along the screw on an attached drawing board at a chosen scale. Modern surveyor's wheels are constructed primarily of aluminium, with solid or pneumatic tyres on the wheel. Some can fold for transport or storage.
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The coat of arms of the city was adopted in 1954 by the city council. The coat of arms of Saint-Tite is blazoned thus: Greek cross gules a chief azure point, flanked by a toothed wheel segment money dexter and a gear segment sinister gold, containing a skin tight leather gold dextral and sinistral spruce money, overcoming mountains of sand placed on a terrace or charged with a blue river.
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Musée d'art et d'histoire de Neuchâtel. It is the first transparent watch. A mystery watch is a generic term used in horology to describe a watch whose working is not easily deducible, because it seems to have no movement at all, or the hands do not seem to be connected to any movement, etc. One example is a type of mechanical watch where the movement is transmitted to the hands through a transparent crystal toothed wheel.
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The entire window acts as a frame for 28 mm lenses. The camera uses Nikon's 'S' bayonet lens mount which is a modified Contax 'C' bayonet and Contax 'C' lenses are physically compatible but do not accurately focus with the built-in rangefinder. In common with Contax, a small toothed wheel in front of the shutter release is used to focus lenses that use the internal bayonet. The camera does not have a flash sync on its hot shoe.
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One of the most common ways that Chesapeake pipes were decorated was through the pointillé effect, in which lines of indented dots would be pushed into the clay. This was produced in two ways, the first of which was rouletting, or using a rolling, toothed wheel to produce the desired effect. The other was by using a single, stationary hand-held tool to indent each of the dots into the clay one by one.Emerson 1999. p. 53.
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Even tension is essential as any variation will lead to broken threads. As the warp beam empties its effective diameter changes making the warp slacker- tension is maintained by adding a wooden pulley to the beam, around which are two turns of rope that are attached to mill weights- thus retarding the beam through friction. The cloth beam bears a toothed wheel which works a pinion. A ratchet wheel is attached with a click level to take up the slack in the cloth.
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The automatic 'hammer' interrupter was invented by Rev. Prof. James William MacGauley (1838) of Dublin, Ireland, presented at meeting of September 1837 in Liverpool, England Johann Philipp Wagner (1839), and Christian Ernst Neeff (1847). Description of Neeff and Wagner's earlier toothed wheel interrupter Hippolyte Fizeau (1853) introduced the use of the quenching capacitor. Heinrich Ruhmkorff generated higher voltages by greatly increasing the length of the secondary, in some coils using 5 or 6 miles (10 km) of wire and produced sparks up to 16 inches.
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After many attempts he discovered that one could negotiate steeper stretches of track by bolting a rack between the rails, which a toothed wheel or cog on the underside of the locomotive could engage. He built his first locomotive in 1862, and on 12 August 1863 France awarded him Patent No. 59625 for the invention. The Vitznau-Rigi line was inaugurated in 1871 as the first mountain railway to use the Riggenbach system in Europe. The locomotives were equipped with his counter-pressure braking system.
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Although rail vehicles occasionally do use drives without sensors, most need a rotary speed sensor for their regulator system. The most common type is a two-channel sensor that scans a toothed wheel on the motor shaft or gearbox which may be dedicated to this purpose or may be already present in the drive system. Modern Hall effect sensors of this type make use of the principle of magnetic field modulation and are suitable for ferromagnetic target wheels with a module between m =1 and m = 3.5 (D.P.=25 to D.P.=7).
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Gravers come in a variety of shapes and sizes that yield different line types. The burin produces a unique and recognizable quality of line that is characterized by its steady, deliberate appearance and clean edges. Other tools such as mezzotint rockers, roulettes (a tool with a fine-toothed wheel) and burnishers (a tool used for making an object smooth or shiny by rubbing) are used for texturing effects. To make a print, the engraved plate is inked all over, then the ink is wiped off the surface, leaving only ink in the engraved lines.
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The individuals are described as "flat disclike solitary corallites", with exposed septa almost everywhere on the base, though not at the peduncle in the center, which is depressed. The top of the coral disc has a "large smooth axial area" and shorter septa. The youngest individuals have long septa, which can be somewhat crooked; the axial center has a deep fossula which contains the cardinal septum, which is thick and short. Older corals have a large axial area with the cardinal fossula and projecting septa at their edges, making them appear like a "toothed wheel".
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An opisometer, also called a curvimeter, meilograph, or map measurer, is an instrument for measuring the lengths of arbitrary curved lines. An opisometer A simple opisometer consists of a toothed wheel of known circumference on a handle. The wheel is placed in contact with the curved line to be measured and run along its length. By counting the number of teeth passing a mark on the handle while this is done, the length of the line can be ascertained: :line length = wheel circumference × teeth counted/teeth on wheel.
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Pinion wheel (centre), running wheels (outside), automatic brake gear (right), rack and gripper rail (centre bottom) The line is built to 800 mm gauge ( gauge), a gauge it has in common with several other rack railways in Switzerland. The rails are fastened to steel sleepers. The line uses the Abt rack system devised by Roman Abt, a Swiss locomotive engineer. The system comprises a length of toothed rail (the rack) between the running rails which meshes with a toothed wheel (the pinion) mounted on each rail vehicle's driving axle.
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The products are transported with the aid of a hopper with a feeding device, a vane cell feed system under a vacuum and appropriate volume expulsion in the pump housing. This is basically a volumetric feed principle, which means that a certain weight is defined via a volume. In addition to the vane cell feed systems,„Flügelzellenpumpe“, Retrieved August 8, 2012 also known as rotary vane pumps, there are also screw feed systems with feed augers, toothed wheel feed systems and evacuated lifting cylinders. With all these systems, transportation is achieved via volume expulsion under a vacuum.
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Roller chain and sprocket sketch of roller chain, Leonardo da Vinci Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles. It consists of a series of short cylindrical rollers held together by side links. It is driven by a toothed wheel called a sprocket. It is a simple, reliable, and efficientAs much as 98% efficient under ideal conditions, according to means of power transmission.
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The mount itself has two bayonets, one inside the camera and another outside. Lenses that use the bayonet inside the camera need have no focusing helicoid built into the lens barrel. As a consequence, the 5 cm f/1.4 lens that was normally sold with the body is extremely small (about the size of a golf ball) since the lens contains the optics only. Focusing of such lenses could be done by rotating the toothed wheel on the top front of the camera body or by rotating the lens barrel itself (the distance scale is on the camera body).
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Anne Locker, Peter the Pilgrim, IET Communications Engineer, August/September 2006, UK ISSN 1479-8352 Part Two (three chapters): This section describes three devices that utilize the properties of magnets. He treats the practical applications of magnets, describing the “wet” floating compass as an instrument in common use, and proposing a new “dry” pivoted compass in some detail. He also attempts to prove that with the help of magnets it is possible to realize perpetual motion (see History of perpetual motion machines). His device is a toothed wheel which passes near a lodestone so that the teeth are alternately attracted by one pole and repelled by the other.
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This led Joseph-Armand Bombardier from the small town of Valcourt, Quebec, to invent a different caterpillar track system suitable for all kinds of snow conditions. Bombardier had already made some "metal" tracked vehicles since 1928, but his new revolutionary track traction system (a toothed wheel covered in rubber, and a rubber-and-cotton track that wraps around the back wheels) was his first major invention. He started production of the B-7, an enclosed, seven-passenger snowmobile, in 1937, and introduced the B-12, a twelve-passenger model, in 1942. The B-7 had a V-8 flathead engine from Ford Motor Company.
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In 1837 he exhibited in Newcastle a mail carriage to be propelled on rails by means of a winch and toothed wheel. He dressed oddly, sold his books and exhibited his inventions, which included models for a lifeboat and a lifebuoy, a miners' lamp, a self- acting railway gate, and a design for a high-level bridge over the River Tyne. John Bailey Langhorne described him as "perfectly cracked but harmless", and recalled how he used to wear his Society of Arts medal in public. Martin's last years were passed at his brother John's house in Chelsea, London, where he died on 9 February 1851.
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The induction coil was invented by the American physician Charles Grafton Page in 1836, archived and independently by Irish scientist and Catholic priest Nicholas Callan in the same year at the St. Patrick's College, MaynoothCallan, N. J. A Description of an Electromagnetic Repeater in and p.522 fig. 52 and improved by William Sturgeon. George Henry Bachhoffner and Sturgeon (1837) independently discovered that a "divided" iron core of iron wires reduced power losses. Fleming (1896) The Alternate Current Transformer in Theory and Practice, Vol. 2, p. 10-11 The early coils had hand cranked interrupters, invented by Callan and Antoine Philibert Masson (1837). On page 458, an interrupter consisting of a toothed wheel is described. On page 134, Masson describes the toothed wheels that functioned as an interrupter.
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The city has a Coat of Arms and the Heraldic Blazon is; ;Arms Per pale Vert and Argent, in dexter a cross-crosslet fitchy Or in sinister, on a cross carved with a Māori pattern Gules, a sun in splendour Or on a chief party per pale Argent and Vert, a lion passant guardant, armed and langued Gules within an orle of fern leaves all counterchanged. An inescutcheon Or charged with a manche Gules. ;Crest On a wreath of the colours, clouds Argent, rays Or, a sunburst supporting a toothed wheel, perforated of six, centred and rimmed Argent, Gules. ;Supporters Dexter, a ram, tail couped, horned and hoofed Or, proper, supporting on a staff proper palewise flying to the dexter an ensign Sable, two bars Argent edged and charged with a hawk rising Or. Sinister, a bull, armed and hoofed Or, supporting a staff property palewise flying to the sinister, edged Or, a New Zealand Ensign; all supported by a profusion of apples, pears, peaches, grapes and miro berries with their leaves, surmounting a Māori style carved panel representing Rongomatane and Haumeitikeitikei, all proper.
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12, Pl.II Early production of plain forms in South Gaul initially followed the Italian models closely, and even the characteristic Arretine decorated form, Dragendorff 11, was made. But many new shapes quickly evolved, and by the second half of the 1st century AD, when Italian sigillata was no longer influential, South Gaulish samian had created its own characteristic repertoire of forms. The two principal decorated forms were Dragendorff 30, a deep, cylindrical bowl, and Dragendorff 29, a carinated ('keeled') shallow bowl with a marked angle, emphasised by a moulding, mid-way down the profile. The footring is low, and potters' stamps are usually bowl-maker's marks placed in the interior base, so that vessels made from the same, or parallel, moulds may bear different names. The rim of the 29, small and upright in early examples of the form, but much deeper and more everted by the 70s of the 1st century, is finished with rouletted decoration,'Rouletted' decoration: this is a regular, notched surface texture, created by using a tool with a toothed wheel (roulette) to impress the pattern on the bowl before the clay was hard.
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