Automatiac railway fastener remover
US5577447A · kind A · utility
12Cited by
31References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1995 |
| Grant date | Nov 26, 1996 |
| Priority date | — |
| Expiry date | Jun 12, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B29/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An automatic rail fastener remover for use on threaded fasteners being used for securing railroad rails to rail ties, the fastener remover constructed and arranged to be mounted on a railway maintenance vehicle having a frame, and including a fastener removal tool configured to releasably engage one of the fasteners for removing the fastener from the tie, a drive assembly connected to the tool for rotating the tool, at least one latch hook selectively biased against the fastener head for assisting the tool in the removal of the fastener from the tie.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.