ES2114389A1 - Dynamic rail lookout post intended for studying and preventing accidents involving rail traffic - Google Patents
Dynamic rail lookout post intended for studying and preventing accidents involving rail trafficInfo
- Publication number
- ES2114389A1 ES2114389A1 ES09401378A ES9401378A ES2114389A1 ES 2114389 A1 ES2114389 A1 ES 2114389A1 ES 09401378 A ES09401378 A ES 09401378A ES 9401378 A ES9401378 A ES 9401378A ES 2114389 A1 ES2114389 A1 ES 2114389A1
- Authority
- ES
- Spain
- Prior art keywords
- rail
- displacements
- studying
- shaft
- preventing accidents
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Recording Measured Values (AREA)
Abstract
It comprises three independent mechanisms. The first measures the axial bulges (buckling), recording the displacements thereof on scale paper with tracing paper incorporated, it being possible for the latter to be removed in order to be studied and repositioned. It consists of a sliding, rectangular-shaped shaft which has a point of rest achieved by four elastic springs placed at the mid-point of said shaft. At the same height, it has contacts for opening or closing an electrical signalling circuit, as a function of said displacements. The shaft is supported at an average height of the rail. The second mechanism measures the perpendicular bulges, recording the displacements thereof with a system analogous to the first system, but supported on the lower base of the rail. The third mechanism is hygrometric with float (buoyancy) mechanism and alert (warning) upon the passage of the train at a suitable distance. It applies to railways.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES09401378A ES2114389A1 (en) | 1994-06-20 | 1994-06-20 | Dynamic rail lookout post intended for studying and preventing accidents involving rail traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES09401378A ES2114389A1 (en) | 1994-06-20 | 1994-06-20 | Dynamic rail lookout post intended for studying and preventing accidents involving rail traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2114389A1 true ES2114389A1 (en) | 1998-05-16 |
Family
ID=8286686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES09401378A Pending ES2114389A1 (en) | 1994-06-20 | 1994-06-20 | Dynamic rail lookout post intended for studying and preventing accidents involving rail traffic |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2114389A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1843959A (en) * | 1924-02-06 | 1932-02-09 | Sperry Prod Inc | Track recorder system |
| US2432045A (en) * | 1946-07-12 | 1947-12-02 | Allan E Sheldon | Float operated circuit closer |
| DE907901C (en) * | 1943-08-07 | 1954-03-29 | Felten & Guilleaume Carlswerk | Rail current switch |
| EP0024978A1 (en) * | 1979-08-23 | 1981-03-11 | Societe Nationale Des Chemins De Fer Francais | Method and system for detecting landslip(s) on railways |
| US4895324A (en) * | 1989-01-12 | 1990-01-23 | Buckles Don R | Reusable derailment detection and signaling device |
-
1994
- 1994-06-20 ES ES09401378A patent/ES2114389A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1843959A (en) * | 1924-02-06 | 1932-02-09 | Sperry Prod Inc | Track recorder system |
| DE907901C (en) * | 1943-08-07 | 1954-03-29 | Felten & Guilleaume Carlswerk | Rail current switch |
| US2432045A (en) * | 1946-07-12 | 1947-12-02 | Allan E Sheldon | Float operated circuit closer |
| EP0024978A1 (en) * | 1979-08-23 | 1981-03-11 | Societe Nationale Des Chemins De Fer Francais | Method and system for detecting landslip(s) on railways |
| US4895324A (en) * | 1989-01-12 | 1990-01-23 | Buckles Don R | Reusable derailment detection and signaling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EC2A | Search report published |
Date of ref document: 19980516 Kind code of ref document: A1 Effective date: 19980516 |
|
| FC2A | Grant refused |
Effective date: 19981221 |