DE101479C - - Google Patents
Info
- Publication number
- DE101479C DE101479C DENDAT101479D DE101479DA DE101479C DE 101479 C DE101479 C DE 101479C DE NDAT101479 D DENDAT101479 D DE NDAT101479D DE 101479D A DE101479D A DE 101479DA DE 101479 C DE101479 C DE 101479C
- Authority
- DE
- Germany
- Prior art keywords
- bell
- weight
- railway
- barriers
- roller
- 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.)
- Active
Links
- 230000004888 barrier function Effects 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000000881 depressing effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 208000032041 Hearing impaired Diseases 0.000 description 1
- 206010048865 Hypoacusis Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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 |
|---|---|
| DE101479C true DE101479C (enrdf_load_stackoverflow) |
Family
ID=372182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT101479D Active DE101479C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE101479C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT101479D patent/DE101479C/de active Active
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