Fastening railway rails
US5735458A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1996 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Aug 30, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01B2205/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A railway rail anchoring device, for use with a railway rail-fastening clip which is approximately M-shaped in plan and has first and second leg portions and a rail-bearing portion, comprises a base member and first and second clip-retaining members connected together by the base member such that the first clip-retaining member is spaced apart from the second clip-retaining member so as to define between the first and second clip-retaining members an opening for receiving the rail-bearing portion of such a clip. Each of the first and second clip-retaining members defines a passageway for receiving one of the leg portions of such a clip, and a boundary surface of at least one of the passageways includes, at a location intermediate respective ends of the passageway, first locating part for engagement, when the device is in use with such a clip, with a first region of the leg portion of the clip located in the passageway such that the clip can be held in a pre-assembly position in which the is retained by the device but the rail-bearing portion of the clip does not bear on a rail. Second locating part is also provided on a boundary surface of at least one of the passageways for engage…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.