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Couplers need to be the strongest link in a train, capable of withstanding extreme forces of buff (compression) and draft (expansion). Since the semi-automatic “Janney” knuckle coupler was patented in ...
1873: A U.S. patent is issued for a new automatic railroad coupler. Within 20 years it is the standard car coupler on every American railroad. Its inventor, Eli Janney of Alexandria, Virginia, was ...
This article was originally published with the title “ The Janney Car-Coupler ” in SA Supplements Vol. 7 No. 165supp (March 1879), p. 2619 doi:10.1038 ...
What they found was an early version of a knuckle coupler, a device used to connect rail cars and locomotives. This particular device, a Janney coupler, would have been used on steam locomotives ...
Janney thought there had to be a better way. He patented a coupler in 1868, but it wasn’t much better than what was in use. He kept at it, and in lulls at his job he whittled a prototype out of ...
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