DE115949C - - Google Patents
Info
- Publication number
- DE115949C DE115949C DENDAT115949D DE115949DA DE115949C DE 115949 C DE115949 C DE 115949C DE NDAT115949 D DENDAT115949 D DE NDAT115949D DE 115949D A DE115949D A DE 115949DA DE 115949 C DE115949 C DE 115949C
- Authority
- DE
- Germany
- Prior art keywords
- pawl
- barriers
- closing
- rotation
- crank
- 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 17
- 230000007246 mechanism Effects 0.000 description 6
- 210000003813 thumb Anatomy 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 3
- 230000001105 regulatory 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)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE115949C true DE115949C (enrdf_load_html_response) |
Family
ID=385342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT115949D Active DE115949C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE115949C (enrdf_load_html_response) |
-
0
- DE DENDAT115949D patent/DE115949C/de active Active
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