Rail anchor remover
US4457060A · kind A · utility
8Cited by
10References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 9, 1982 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Jul 9, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53835
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rail anchor remover includes a wedge member affixed to a rail lifter for progressively moving an end of each rail anchor away from the rail web until it no longer grips the rail base and falls to the ground. The wedge is provided with a tailpiece having a bearing surface engaging an outer edge of the rail flange for stabilization of the wedge, and are undercut surface which slopes downwardly and inwardly from an outer side wall of the wedge and slopes at a progressively steeper angle toward the tailpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.