DE115092C - - Google Patents
Info
- Publication number
- DE115092C DE115092C DENDAT115092D DE115092DA DE115092C DE 115092 C DE115092 C DE 115092C DE NDAT115092 D DENDAT115092 D DE NDAT115092D DE 115092D A DE115092D A DE 115092DA DE 115092 C DE115092 C DE 115092C
- Authority
- DE
- Germany
- Prior art keywords
- barrier
- pawl
- lever
- crank
- chain
- 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 31
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 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)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE115092C true DE115092C (OSRAM) |
Family
ID=384534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT115092D Active DE115092C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE115092C (OSRAM) |
-
0
- DE DENDAT115092D patent/DE115092C/de active Active
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