FR463033A - Safety device indicating to the mechanic if the way is free or occupied - Google Patents
Safety device indicating to the mechanic if the way is free or occupiedInfo
- Publication number
- FR463033A FR463033A FR463033DA FR463033A FR 463033 A FR463033 A FR 463033A FR 463033D A FR463033D A FR 463033DA FR 463033 A FR463033 A FR 463033A
- Authority
- FR
- France
- Prior art keywords
- mechanic
- occupied
- free
- way
- safety device
- 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 |
---|---|---|---|
FR463033T | 1913-09-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR463033A true FR463033A (en) | 1914-02-12 |
Family
ID=1502152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR463033D Expired FR463033A (en) | 1913-09-27 | 1913-09-27 | Safety device indicating to the mechanic if the way is free or occupied |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR463033A (en) |
-
1913
- 1913-09-27 FR FR463033D patent/FR463033A/en not_active Expired
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