"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8056741 | Railcar coupler system and method A railcar coupler includes a coupler head portion extending from a shank portion. The coupler head portion is configured to couple to a first coupler knuckle for coupling the railcar coupler to a second railcar coupler of an adjacent railcar. The coupler head portio... | 11/15/2011 |
| 7757871 | Railcar coupler system and method A railcar coupler includes a coupler head portion extending from a shank portion. The coupler head portion is configured to couple to a first coupler knuckle for coupling the railcar coupler to a second railcar coupler of an adjacent railcar. The coupler head portio... | 07/20/2010 |
| 4084704 | Car coupler In a car coupler of the rigid-jawed type, aligning means is provided for substantially increasing the gathering range of the coupler in both lateral and angular directions during coupling operations. In addition, the coupler is provided with anti-telescop... | 04/18/1978 |