GB444347A - Improvements in or relating to miners' and like battery hand lamps - Google Patents
Improvements in or relating to miners' and like battery hand lampsInfo
- Publication number
- GB444347A GB444347A GB35318/34A GB3531834A GB444347A GB 444347 A GB444347 A GB 444347A GB 35318/34 A GB35318/34 A GB 35318/34A GB 3531834 A GB3531834 A GB 3531834A GB 444347 A GB444347 A GB 444347A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cap
- contact block
- battery
- casing
- miners
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
444,347. Electric - battery lamps. BATTERIES, Ltd., and DYBECK, M., Enfield Road, Hunt End, Redditch, Worcestershire. Dec. 8, 1934, No. 35318. [Class 39 (ii)] In a miner's electric hand lamp of the type in which a cylindrical battery casing c is fitted with a detachable cap a carrying the lighting gallery k and incorporating a solid contact block f with moulded-in contact segments g engageable with solid rigid battery terminals m, the contact block is resiliently secured on an annular rubber seating within the cap a by means of a shouldered retaining ring l and the rotary lifting action of the cap is utilized to lift the contact block f off the battery terminals for switching off the lamp. The casing c and the cap a are screwed together as shown, a locking plunger d and a stop e being provided to limit the rotary movement, or a bayonet joint may be used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB35318/34A GB444347A (en) | 1934-12-08 | 1934-12-08 | Improvements in or relating to miners' and like battery hand lamps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB35318/34A GB444347A (en) | 1934-12-08 | 1934-12-08 | Improvements in or relating to miners' and like battery hand lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB444347A true GB444347A (en) | 1936-03-19 |
Family
ID=10376352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35318/34A Expired GB444347A (en) | 1934-12-08 | 1934-12-08 | Improvements in or relating to miners' and like battery hand lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB444347A (en) |
-
1934
- 1934-12-08 GB GB35318/34A patent/GB444347A/en not_active Expired
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