BE418583A - - Google Patents
Info
- Publication number
- BE418583A BE418583A BE418583DA BE418583A BE 418583 A BE418583 A BE 418583A BE 418583D A BE418583D A BE 418583DA BE 418583 A BE418583 A BE 418583A
- Authority
- BE
- Belgium
- Prior art keywords
- barrier
- movement
- arm
- crank
- desc
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/243—Transmission mechanism or acoustical signals for gates
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE418583A true BE418583A (ca) |
Family
ID=81059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE418583D BE418583A (ca) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE418583A (ca) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2285281A1 (fr) * | 1974-09-20 | 1976-04-16 | Alsthom Cgee | Barriere automatique de securite |
-
0
- BE BE418583D patent/BE418583A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2285281A1 (fr) * | 1974-09-20 | 1976-04-16 | Alsthom Cgee | Barriere automatique de securite |
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