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On a standard-gauge railway, the nominal mounting height for the coupler (rail top to coupler center) is 33 inches (838 mm), with a 34 + 1 ⁄ 2 ± 1 inch (876 ± 25 mm) maximum height on empty cars and 31 + 1 ⁄ 2 ± 1 inch (800 ± 25 mm) minimum height on loaded cars.
Each of these units is formed of two coaches that have dimensions of 20.89 m × 2.81 m (68 ft 6 in × 9 ft 3 in) and a top speed of 75 mph (121 km/h). [5] Class 466 in Southeastern livery at Sheerness-on-Sea in 2011
The Janney coupler, later the Master Car Builders Association (MCB) coupler, [19] now the Association of American Railroads (AAR) coupler, is also commonly known as a buckeye, knuckle, or Alliance coupler. The AAR/APTA TypeE, TypeF, and TypeH couplers are all compatible Janney couplers, but used for different rail cars (general freight, tank ...
Small knuckle coupler with slot in knuckle for link and pin couplers on 750 mm (2 ft 5 + 1 ⁄ 2 in) Shibata semi-automatic couplers on EMUs made by Toshiba - Marubeni Corp . (1956 D.F. Sarmiento Railway , 1962 General Bartolomé Mitre Railway , 1973 General Urquiza Railway and 1983 General Roca Railway EMUs).
There were two subclasses of Class 416: Class 416/1 to an SR design on salvaged 2-NOL underframes, built between 1953 and 1956, and Class 416/2 based on a British Railways Mark 1 coach design. In the 1980s some 2 EPB units were used on the North London Line between Richmond and North Woolwich ; these units were equipped with window bars.
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Narrow gauge flat wagons, 750 mm (2 ft 5 + 1 ⁄ 2 in).Note the single buffer with a hook on the right side and a chain on the other. On some narrow-gauge lines in Europe, and on the Paris Metro, a simplified version of the loose-coupler is used, consisting of a single central buffer with a chain underneath.
The diagram from Beard's 1897 coupler patent [1]. Janney couplers were first patented in 1873 by Eli H. Janney (U.S. patent 138,405). [2] [3] Andrew Jackson Beard was amongst various inventors that made a multitude of improvements to the knuckle coupler; [1] Beard's patents were U.S. patent 594,059 granted 23 November 1897, which then sold for approximately $50,000, and U.S. patent 624,901 ...