DE150537C - - Google Patents
Info
- Publication number
- DE150537C DE150537C DENDAT150537D DE150537DA DE150537C DE 150537 C DE150537 C DE 150537C DE NDAT150537 D DENDAT150537 D DE NDAT150537D DE 150537D A DE150537D A DE 150537DA DE 150537 C DE150537 C DE 150537C
- Authority
- DE
- Germany
- Prior art keywords
- barrier
- valve
- pedals
- path
- locks
- 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 12
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
- B61L29/08—Operation of gates; Combined operation of gates and signals
- B61L29/18—Operation by approaching rail vehicle or train
- B61L29/20—Operation by approaching rail vehicle or train mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Mechanically-Actuated Valves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE150537C true DE150537C (en:Method) |
Family
ID=417442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT150537D Active DE150537C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE150537C (en:Method) |
-
0
- DE DENDAT150537D patent/DE150537C/de active Active
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