FR531029A - Railroad train protection device - Google Patents
Railroad train protection deviceInfo
- Publication number
- FR531029A FR531029A FR531029DA FR531029A FR 531029 A FR531029 A FR 531029A FR 531029D A FR531029D A FR 531029DA FR 531029 A FR531029 A FR 531029A
- Authority
- FR
- France
- Prior art keywords
- protection device
- train protection
- railroad train
- railroad
- train
- 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 |
|---|---|---|---|
| FR531029T | 1921-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR531029A true FR531029A (en) | 1922-01-05 |
Family
ID=8923679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR531029D Expired FR531029A (en) | 1921-02-15 | 1921-02-15 | Railroad train protection device |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR531029A (en) |
-
1921
- 1921-02-15 FR FR531029D patent/FR531029A/en not_active Expired
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