Railroad track cleaning assemblies and apparatus
US8839478B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2011 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Jul 26, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H8/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Railroad track cleaning assemblies and apparatus are described. An example railroad track cleaning assembly includes a movable carriage movably coupled to a frame to which a plurality of wheels are operably coupled to enable the frame to move on railroad tracks. Additionally, the railroad track assembly includes a shaft rotatably coupled to the movably carriage to receive one or more brushes that are to be rotated and engage one of the railroad tracks and a spring assembly coupled to the movable carriage and to the frame to bias, via the movable carriage, the one or more brushes into engagement with the one of the railroad tracks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.