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In Germany all freight wagon have been built with a UIC automatic coupler option since 1976. [1] This mounting option can be used to deploy the C-Akv coupler when a conversion is implemented. A further advantage in such a scenario is, that the C-Akv coupler can also function like the hook and air connectors for a hook-and-chain coupler, ad long ...
The Schwab coupler is an automatic coupler manufactured by Schwab Verkehrstechnik AG, Schaffhausen, the legal successor to the Railway Coupler Division of Georg Fischer. The coupler automatically makes the mechanical, pneumatic and electrical connections. The mechanical locks are located on either side of the pneumatic ports.
Scharfenberg-type semi-automatic couplers on modern EMUs, DMUs and some passenger rolling stock: Dellner in General San Martín Railway and General Bartolomé Mitre Railway on 1,435 mm track gauge; Shibata semi-automatic couplers on EMUs made by Toshiba-Marubeni Corp. 1956 D.F. Sarmiento Railway on 1,676 mm track gauge,
The C-AKv is a fully automatic coupler design, also known as the Faiveley Transpact; it is a hybrid compatible with both buffers and chain couplers and Russian SA3 couplers, intended as an option for the long delayed EU transition to center buffer couplers.
Digital automatic coupling (DAC) is a type of railway coupling developed in the 2020's to replace the English buffers and chain couplings, initially in Europe. It resembles the Scharfenberg coupler with extra contacts to join electrical circuits (power, detection and control) and air hoses.
The coupler was developed in 1932 and named SA3 (abbreviation of Russian Советская автосцепка, 3-й вариант, Soviet Automatic-Coupler 3rd Variant) and was an improved version of the Willison coupler, with better design of lock parts and mechanics. Conversion of rolling stock began in 1935.
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 ...
Like all Janney couplers, the Tightlock is "semi-automatic". The couplers automatically lock when cars are pushed together, but workers must go between cars to hook up the air lines for the pneumatic brakes and connect cables for head-end power and other communications. To separate cars, a worker must use a lever to move the locking pin that ...
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