FR530185A - Automatic safety device for railways and tramways - Google Patents
Automatic safety device for railways and tramwaysInfo
- Publication number
- FR530185A FR530185A FR530185DA FR530185A FR 530185 A FR530185 A FR 530185A FR 530185D A FR530185D A FR 530185DA FR 530185 A FR530185 A FR 530185A
- Authority
- FR
- France
- Prior art keywords
- tramways
- railways
- safety device
- automatic safety
- automatic
- 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
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR530185T | 1921-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR530185A true FR530185A (en) | 1921-12-17 |
Family
ID=8923126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR530185D Expired FR530185A (en) | 1921-01-26 | 1921-01-26 | Automatic safety device for railways and tramways |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR530185A (en) |
-
1921
- 1921-01-26 FR FR530185D patent/FR530185A/en not_active Expired
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