Tie gang ballast replacer-compactor and related methods
US10017902B2 · kind B2 · utility
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7References
8Claims
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Key dates
| Filing date | May 20, 2016 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Jun 13, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B27/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Ballast replacer-compactors and related methods are provided. A representative ballast replacer-compactor includes: a frame; a crib compactor mounted to the frame and operative to compact crib ballast; and a compactor bar mounted to the frame and operative to urge crib ballast downwardly and beneath a tie. A representative method for servicing rail system ties includes: engaging crib ballast positioned adjacent to a target tie; and forcing the crib ballast downwardly and beneath the target tie.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.