FR332457A - Safety device for railway tracks "wedge-lever system" - Google Patents
Safety device for railway tracks "wedge-lever system"Info
- Publication number
- FR332457A FR332457A FR332457DA FR332457A FR 332457 A FR332457 A FR 332457A FR 332457D A FR332457D A FR 332457DA FR 332457 A FR332457 A FR 332457A
- Authority
- FR
- France
- Prior art keywords
- wedge
- safety device
- lever system
- railway tracks
- railway
- 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 |
|---|---|---|---|
| FR332457T | 1903-04-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR332457A true FR332457A (en) | 1903-10-29 |
Family
ID=1382105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR332457D Expired FR332457A (en) | 1903-04-11 | 1903-04-11 | Safety device for railway tracks "wedge-lever system" |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR332457A (en) |
-
1903
- 1903-04-11 FR FR332457D patent/FR332457A/en not_active Expired
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