DE229522C - - Google Patents
Info
- Publication number
- DE229522C DE229522C DENDAT229522D DE229522DA DE229522C DE 229522 C DE229522 C DE 229522C DE NDAT229522 D DENDAT229522 D DE NDAT229522D DE 229522D A DE229522D A DE 229522DA DE 229522 C DE229522 C DE 229522C
- Authority
- DE
- Germany
- Prior art keywords
- bell
- drive
- compressed gas
- piston
- weight
- 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
- 210000000056 organ Anatomy 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE229522C true DE229522C (enExample) |
Family
ID=489819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT229522D Active DE229522C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE229522C (enExample) |
-
0
- DE DENDAT229522D patent/DE229522C/de active Active
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