GB324572A - Improvements in failure indicator devices for the rear lamp of power vehicles - Google Patents
Improvements in failure indicator devices for the rear lamp of power vehiclesInfo
- Publication number
- GB324572A GB324572A GB887129A GB887129A GB324572A GB 324572 A GB324572 A GB 324572A GB 887129 A GB887129 A GB 887129A GB 887129 A GB887129 A GB 887129A GB 324572 A GB324572 A GB 324572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- failure
- rear lamp
- failure indicator
- indicator devices
- 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
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
- B60Q11/005—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00 for lighting devices, e.g. indicating if lamps are burning or not
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
324,572. Michelsen, O. C. March 19, 1929. Lamp-failure alarms.- Failure of the rear lamp 13 on a vehicle is indicated by a lamp 9, which also indicates a short circuit. The spring- pressed armature 5 of an electromagnet 3 in the circuit of the lamp 13 is so adjusted by a set-screw 8 that (1) when the magnet is de-energized by the failure of the lamp, the spring presses the armature against contact 7 and lights the indicator lamp 9, and (2) when the current strength is increased by a shortcircuit, the armature closes the circuit of the lamp 9 at contact 6. The iron core 4 of the magnet is provided with an extension 19 of copper or other non-magnetizable material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB887129A GB324572A (en) | 1929-03-19 | 1929-03-19 | Improvements in failure indicator devices for the rear lamp of power vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB887129A GB324572A (en) | 1929-03-19 | 1929-03-19 | Improvements in failure indicator devices for the rear lamp of power vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB324572A true GB324572A (en) | 1930-01-30 |
Family
ID=9860870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB887129A Expired GB324572A (en) | 1929-03-19 | 1929-03-19 | Improvements in failure indicator devices for the rear lamp of power vehicles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB324572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747061A (en) * | 1971-03-08 | 1973-07-17 | Stewart Warner Corp | Electromagnetic flasher with lamp failure sensing means |
-
1929
- 1929-03-19 GB GB887129A patent/GB324572A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3747061A (en) * | 1971-03-08 | 1973-07-17 | Stewart Warner Corp | Electromagnetic flasher with lamp failure sensing means |
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