FR318259A - Automatic flagger for railways - Google Patents
Automatic flagger for railwaysInfo
- Publication number
- FR318259A FR318259A FR318259DA FR318259A FR 318259 A FR318259 A FR 318259A FR 318259D A FR318259D A FR 318259DA FR 318259 A FR318259 A FR 318259A
- Authority
- FR
- France
- Prior art keywords
- flagger
- railways
- automatic
- automatic flagger
- 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 |
---|---|---|---|
FR318259T | 1902-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR318259A true FR318259A (en) | 1902-10-10 |
Family
ID=1368926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR318259D Expired FR318259A (en) | 1902-01-31 | 1902-01-31 | Automatic flagger for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR318259A (en) |
-
1902
- 1902-01-31 FR FR318259D patent/FR318259A/en not_active Expired
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