GB190904800A - Improvements in Locking Bars for Railway Points and Signals. - Google Patents
Improvements in Locking Bars for Railway Points and Signals.Info
- Publication number
- GB190904800A GB190904800A GB190904800DA GB190904800A GB 190904800 A GB190904800 A GB 190904800A GB 190904800D A GB190904800D A GB 190904800DA GB 190904800 A GB190904800 A GB 190904800A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bar
- rail
- movement
- locking
- bars
- 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
- B61L11/00—Operation of points from the vehicle or by the passage of the vehicle
- B61L11/02—Operation of points from the vehicle or by the passage of the vehicle using mechanical interaction between vehicle and track
- B61L11/04—Trailable point locks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Escalators And Moving Walkways (AREA)
Abstract
4800. Herringer, C. Feb. 28, 1908, [Convention date]. Safety, fouling, and locking bars.-Locking-bars are given a movement in both a vertical direction and a direction towards the rail, as well as longitudinally in the direction of the length of the rail if desired. The requisite movement is derived from cams and guides. The locking-bar 1, which may be of any section, is fixed to lugs 10, 11, 12 on a web 16, which is curved as shown in plan in Fig. 5. The lower edge of the web is also curved, as shown in Fig. 1, and has a flange 19, 21, which is guided in the jaws 33, 35 of a bracket 24 bolted to the rail 4, and is supported on a roller 13. When the locking-bar is moved longitudinally in the process of unlocking the points, the cam-surface 19, 21 causes it to move upwards and towards the rail during the first part of its movement, so as to engage either the tread of the wheels or their sides if a train is over the bar. During the latter part of its movement, the bar is moved away from the rail and downwards to its normal position. Modifications in the shape of the cam may be made, and the return movement of the bar may be obtained by reversal of its longitudinal motion.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US190904800XA | 1908-02-28 | 1908-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB190904800A true GB190904800A (en) | 1909-09-30 |
Family
ID=32508754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB190904800D Expired GB190904800A (en) | 1908-02-28 | 1909-02-26 | Improvements in Locking Bars for Railway Points and Signals. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB190904800A (en) |
-
1909
- 1909-02-26 GB GB190904800D patent/GB190904800A/en not_active Expired
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