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Railroad crossing assembly -can replace existing crossing arms

[Category : - MECHANICAL ENGINEERING- Life-saving; Fire-fighting- DESIGN PATENTS]
[Viewed 1701 times]

An articulate railroad grade crossing assembly. In a preferred embodiment, the crossing assembly has an adjustable reach so that it can be adjusted to completely or partially close roadways of various sizes. In another preferred embodiment, the assembly includes one or more sensors for detecting the presence of people and/or objects in the crossing area so that the assembly can automatically respond to such presence.

Patent publications:

 US 7356966
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Seller:

burkejeff (United States)

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