was constructed in 1764 for military purposes at the Niagara portage in Lewiston, New York. The earliest railroad of any form in the U.S. Early Railroad Spike Patent History: 1834 & Later the transcontinental railroad was completed on when the last spike, "the golden spike", was driven into a tie at Promtory Summit, Utah. Photos above and below: traditional railroad spikes in-use - from However a patent for railroad spikes search finds slightly-later dates and inventors for citation, as we illustrate below. Stevens is also credited with invention of the T-shaped rail on which rail cars run. Invention of the railroad spike is credited to Robert Livingston Stevens, president of the Camden & Amboy Railroad, and first used in the U.S. The larger lip of the offset head on these large spikes, also called crampons, was used to secure the bottom edge of the rail to the steel plate upon which the rail rests.Īs the railroad spike is driven through the plate and onwards into the railroad tie or (sleeper), the combination of spike, tie-plate, and sleeper hold the rail in place in the stone-covered bed (ballast) of the railway. In our images above and also in Alyssa's railroad spike photos shown here you'll notice that the head of these large railroad spikes sport an offset head. Railroad Spikes: history, identification, age, usesġ832 - Present: Cut Spikes, Railroad Spikes & Offset Head Nails We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need.
#Railroad spike hardware series
This article series describes and illustrates antique & modern hardware: door knobs, latches, hinges, window latches, hardware, nails & screws can help determine a building's age by noting how those parts were fabricated: by hand, by machine, by later generations of machine. History & identification of railroad spikes: types, patents, photos, uses. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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