DE143713C - - Google Patents
Info
- Publication number
- DE143713C DE143713C DENDAT143713D DE143713DA DE143713C DE 143713 C DE143713 C DE 143713C DE NDAT143713 D DENDAT143713 D DE NDAT143713D DE 143713D A DE143713D A DE 143713DA DE 143713 C DE143713 C DE 143713C
- Authority
- DE
- Germany
- Prior art keywords
- barrier
- piston
- road
- pawl
- air buffer
- 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
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
- B61L29/28—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 electrically operated
- B61L29/30—Supervision, e.g. monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Devices For Bicycles And Motorcycles (AREA)
- Fluid-Damping Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE143713C true DE143713C (https=) |
Family
ID=411193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT143713D Active DE143713C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE143713C (https=) |
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0
- DE DENDAT143713D patent/DE143713C/de active Active
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