FR356204A - Improvements to safety devices for railways - Google Patents
Improvements to safety devices for railwaysInfo
- Publication number
- FR356204A FR356204A FR356204DA FR356204A FR 356204 A FR356204 A FR 356204A FR 356204D A FR356204D A FR 356204DA FR 356204 A FR356204 A FR 356204A
- Authority
- FR
- France
- Prior art keywords
- railways
- safety devices
- safety
- devices
- 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 |
---|---|---|---|
US356204XA | 1905-03-03 | 1905-03-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR356204A true FR356204A (en) | 1905-11-23 |
Family
ID=1404182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR356204D Expired FR356204A (en) | 1905-03-03 | 1905-07-18 | Improvements to safety devices for railways |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR356204A (en) |
-
1905
- 1905-07-18 FR FR356204D patent/FR356204A/en not_active Expired
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