Railway tie bed scarifier
US6536354B1 · kind B1 · utility
3Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2001 |
| Grant date | Mar 25, 2003 |
| Priority date | — |
| Expiry date | Nov 26, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B29/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A railway tie bed scarifier mounts on a tie remover/inserter machine. The tie bed scarifier is dimensioned and configured to widen the pre-existing channels left in the ballast through the removal of old ties. The tie bed scarifier includes a carriage moving between a raised travel position and a lowered work position, and a pair of tines reciprocating between a retracted position wherein they fit between the rails, and an extended position wherein they extend towards the sides of the ballast. A method of inserting a railway tie is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.