GB302915A - An improved lens for use in vehicle direction indicators - Google Patents
An improved lens for use in vehicle direction indicatorsInfo
- Publication number
- GB302915A GB302915A GB3747028A GB3747028A GB302915A GB 302915 A GB302915 A GB 302915A GB 3747028 A GB3747028 A GB 3747028A GB 3747028 A GB3747028 A GB 3747028A GB 302915 A GB302915 A GB 302915A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lens
- recess
- dec
- cover plate
- road
- 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
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/34—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating change of drive direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
302,915. Bayer, E. C. Dec. 19, 1928. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 23, 1928]. Road-traffic signals on vehicles.-A lens for use in a direction-indicator for road vehicles comprise.s a solid glass body 1 with a recess 2 bounded by plane surfaces, the body 1 being of such external curvature that the lens segments formed by the recess have foci which are substantially coincident with an electric lamp bulb arranged within the recess. The lens may be made of red or other coloured glass. The indicator shown in Fig. 5 is adapted to be mounted on the side of the vehicle, preferably towards the top and the bounding planes of the recess are at right angles to one another so that beams of light are projected forwardly in the direction of the arrow 8, sidewise, and rearwardly, when the bulb 7 is lighted from the driver's seat. A cover plate 4 may be arranged above, or above and below, the lens to prevent sunlight causing a false signal, the cover plate being carried by a nipple 6 for the electric leads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3747028A GB302915A (en) | 1928-12-19 | 1928-12-19 | An improved lens for use in vehicle direction indicators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3747028A GB302915A (en) | 1928-12-19 | 1928-12-19 | An improved lens for use in vehicle direction indicators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB302915A true GB302915A (en) | 1929-12-12 |
Family
ID=10396720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3747028A Expired GB302915A (en) | 1928-12-19 | 1928-12-19 | An improved lens for use in vehicle direction indicators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB302915A (en) |
-
1928
- 1928-12-19 GB GB3747028A patent/GB302915A/en not_active Expired
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