GB190707959A - Improvements in Electric Automatic Fire Alarms - Google Patents
Improvements in Electric Automatic Fire AlarmsInfo
- Publication number
- GB190707959A GB190707959A GB190707959DA GB190707959A GB 190707959 A GB190707959 A GB 190707959A GB 190707959D A GB190707959D A GB 190707959DA GB 190707959 A GB190707959 A GB 190707959A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disk
- automatic fire
- fire alarms
- terminal
- electric automatic
- 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
Landscapes
- Fuses (AREA)
Abstract
7959. Howson, H. April 5. Alarms, fire.-A thermal contact-maker comprises a hollow copper disk B, of hexagonal shape, with an asbestos washer inside almost entirely filling the inside of the disk and filled with liquid and sealed. The disk B is carried by an adjustable hollow tube C, through which passes a vertical shaft A acted on by the disk and attached to one end of a lever F which is connected to one terminal, is fulcrumed at E, and has a wedge-shaped end adapted to engage spring contacts D connected to the other terminal.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190707959T | 1907-04-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190707959A true GB190707959A (en) | 1908-04-04 |
Family
ID=32633066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190707959D Expired GB190707959A (en) | 1907-04-05 | 1907-04-05 | Improvements in Electric Automatic Fire Alarms |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190707959A (en) |
-
1907
- 1907-04-05 GB GB190707959D patent/GB190707959A/en not_active Expired
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