FR676853A - Self-closing safety systems for level crossings - Google Patents
Self-closing safety systems for level crossingsInfo
- Publication number
- FR676853A FR676853A FR676853DA FR676853A FR 676853 A FR676853 A FR 676853A FR 676853D A FR676853D A FR 676853DA FR 676853 A FR676853 A FR 676853A
- Authority
- FR
- France
- Prior art keywords
- self
- safety systems
- level crossings
- closing safety
- closing
- 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.)
- Expired
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
- B61L29/08—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR676853T | 1929-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR676853A true FR676853A (en) | 1930-02-28 |
Family
ID=9020122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR676853D Expired FR676853A (en) | 1929-06-19 | 1929-06-19 | Self-closing safety systems for level crossings |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR676853A (en) |
-
1929
- 1929-06-19 FR FR676853D patent/FR676853A/en not_active Expired
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