GB330903A - Improvements in and relating to signalling devices - Google Patents
Improvements in and relating to signalling devicesInfo
- Publication number
- GB330903A GB330903A GB873329A GB873329A GB330903A GB 330903 A GB330903 A GB 330903A GB 873329 A GB873329 A GB 873329A GB 873329 A GB873329 A GB 873329A GB 330903 A GB330903 A GB 330903A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- signal
- signal arm
- coloured
- sector
- 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
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/14—Form signals, e.g. semaphore arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
330,903. Hicks, Sir M. March 18, 1929. Visual outdoor signals.-A railway signal arm is formed with or situated in front of a reflector arranged to reflect direct light from the sky in the direction from which the signal is to be observed. As shown in Figs. 1 and 2, a mirrored glass 3 formed with recesses or projections 4 is Secured to the signal arm 1; the mirrored.glass may be ribbed or a plain glass covering a separate reflector may be used. The glass may be coloured and stencilled with any required design. A plane mirror suitably inclined may be used. A screen with differently coloured sectors 8, 9 is shown in Fig. 7 arranged in front of the signal arm 1 so that light of a colour corresponding to the signal position is transmitted. In Fig. 10 a reflector with different coloured sectors 11, 12 is situated behind the signal arm 1 which is sector-shaped to cover one sector so that the other sector transmits the appropriate colour. The signal arm may be provided with an opening moving in front of coloured reflecting sectors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB873329A GB330903A (en) | 1929-03-18 | 1929-03-18 | Improvements in and relating to signalling devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB873329A GB330903A (en) | 1929-03-18 | 1929-03-18 | Improvements in and relating to signalling devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB330903A true GB330903A (en) | 1930-06-18 |
Family
ID=9858207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB873329A Expired GB330903A (en) | 1929-03-18 | 1929-03-18 | Improvements in and relating to signalling devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB330903A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1084294B (en) * | 1955-09-06 | 1960-06-30 | Sendlinger Optische Glaswerke | Light signal device with colored discs, especially for railway signal systems |
-
1929
- 1929-03-18 GB GB873329A patent/GB330903A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1084294B (en) * | 1955-09-06 | 1960-06-30 | Sendlinger Optische Glaswerke | Light signal device with colored discs, especially for railway signal systems |
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