GB391476A - Improvements in and relating to traffic control signalling apparatus - Google Patents
Improvements in and relating to traffic control signalling apparatusInfo
- Publication number
- GB391476A GB391476A GB2870631A GB2870631A GB391476A GB 391476 A GB391476 A GB 391476A GB 2870631 A GB2870631 A GB 2870631A GB 2870631 A GB2870631 A GB 2870631A GB 391476 A GB391476 A GB 391476A
- Authority
- GB
- United Kingdom
- Prior art keywords
- casting
- lamp
- lamp casing
- slot
- column
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
391,476. Road signals. SCOTT, W. H. and GLENDENNING, S. E., Gothic Works, Norwich. Oct. 15, 1931, No. 28706. [Class 118 (ii).] The lamp casings of a traffic-control tower showing " stop," "go" " and " get ready " signals are adjustably connected to the supporting column by spherical seatings. In the construction shown in Figs. 1 and 2 the spherical rear part of each lamp casing 2 bears against a spherical face on the casting 4 which is made in one or more parts and is secured to the column 1. Connection between the lamp casing 2 and casting 4 is provided by the bolt 8 passing through a slot 7 in the casting so as to allow more adjustment horizontally than vertically. Pegs 11 attached to the backing plate 10 or washer 8<1> prevent rotation during adjustment, the pegs being hollow to serve as conduits for the leads to the lamp 3. Abnormal adjustment is obtained by providing auxiliary holes in the lamp casing to receive the bolt 8. According to the Provisional Specification a series of tapped holes may replace the slot 7. One of the seatings 6 may be left free for securing the casting to a lamp post, bracket, or the like, instead of to the column 1. In the construction shown in Figs. 3 and 4 the lamp casing 2 is secured to the boss 12 on the casting 4, the boss being shouldered at 13 to receive the' plano-concave washer 14. The slot 71 is provided in the lamp casing. The bosses and washers are provided with openings 17 for the passage of connecting wires. Any number of castings 4 may be arranged one above another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2870631A GB391476A (en) | 1931-10-15 | 1931-10-15 | Improvements in and relating to traffic control signalling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2870631A GB391476A (en) | 1931-10-15 | 1931-10-15 | Improvements in and relating to traffic control signalling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB391476A true GB391476A (en) | 1933-04-18 |
Family
ID=10279795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2870631A Expired GB391476A (en) | 1931-10-15 | 1931-10-15 | Improvements in and relating to traffic control signalling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB391476A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417817B (en) * | 2004-09-04 | 2009-08-26 | Agd Systems Ltd | Traffic signals |
-
1931
- 1931-10-15 GB GB2870631A patent/GB391476A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2417817B (en) * | 2004-09-04 | 2009-08-26 | Agd Systems Ltd | Traffic signals |
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