DE145429C - - Google Patents
Info
- Publication number
- DE145429C DE145429C DENDAT145429D DE145429DA DE145429C DE 145429 C DE145429 C DE 145429C DE NDAT145429 D DENDAT145429 D DE NDAT145429D DE 145429D A DE145429D A DE 145429DA DE 145429 C DE145429 C DE 145429C
- Authority
- DE
- Germany
- Prior art keywords
- barrier
- drive
- lever
- boom
- drive pulley
- 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
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 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)
- Soil Working Implements (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE145429C true DE145429C (en(2012)) |
Family
ID=412770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT145429D Active DE145429C (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE145429C (en(2012)) |
-
0
- DE DENDAT145429D patent/DE145429C/de active Active
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