GB781379A - Control apparatus for road vehicle direction indicators of the flashing type - Google Patents
Control apparatus for road vehicle direction indicators of the flashing typeInfo
- Publication number
- GB781379A GB781379A GB2537354A GB2537354A GB781379A GB 781379 A GB781379 A GB 781379A GB 2537354 A GB2537354 A GB 2537354A GB 2537354 A GB2537354 A GB 2537354A GB 781379 A GB781379 A GB 781379A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- wire
- electromagnetically
- flashing
- winding
- 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
- B60Q1/38—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 using immovably-mounted light sources, e.g. fixed flashing lamps
- B60Q1/387—Mechanical temporisation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
781,379. Road-traffic signals on vheicles. C.A.V., Ltd. Aug. 12, 1955 [Sept. 1, 1954], No. 35373/54. Class 118 (2). A flashing-light direction signalling system for road vehicles comprises indicator lamps a on the left and right sides of the vehicle respectively and a selector switch c connected to battery through terminals b and in circuit with a flashing control apparatus comprising in combination a thermally-extensible wire d in series with the indicator lamps, a normally-open electromagnetically-operable switch h in parallel with said wire d, and a normally-open switch f responsive to extension of said wire d for controlling the excitation of the electromagnetically-operable switch h. The contacts fare carried respectively on a resilient strip i fixed at its end j and on an over-centre or snapaction spring strip k fixed at its end m and attached at the other end to the wire d by a glass or other electrically insulating bead n. A resistance e may be included in series with the wire d, and also the winding o of a second electromagnetically-operated switch p arranged to control the circuit of a pilot lamp q as shown. The winding g to operate the switch h is connected as shown. When the selector switch c is moved to the desired side current flows in wire d but not sufficient to light lamps a or operate switch p. When the wire d extends the switch f closes and winding g is energized to cause switch h to short-circuit the wire d and resistance e, thereby lighting lamps a and pilot lamp q. The wire d then cools and opens contacts f to cause the cycle to repeat. The frequency of flashing may be regulated by adjustment of the time of operation of the electromagnetically-operated switch h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2537354A GB781379A (en) | 1954-09-01 | 1954-09-01 | Control apparatus for road vehicle direction indicators of the flashing type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2537354A GB781379A (en) | 1954-09-01 | 1954-09-01 | Control apparatus for road vehicle direction indicators of the flashing type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB781379A true GB781379A (en) | 1957-08-21 |
Family
ID=10226619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2537354A Expired GB781379A (en) | 1954-09-01 | 1954-09-01 | Control apparatus for road vehicle direction indicators of the flashing type |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB781379A (en) |
-
1954
- 1954-09-01 GB GB2537354A patent/GB781379A/en not_active Expired
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