GB508217A - Devices for securing electric bulb lamps in their sockets - Google Patents
Devices for securing electric bulb lamps in their socketsInfo
- Publication number
- GB508217A GB508217A GB6638A GB6638A GB508217A GB 508217 A GB508217 A GB 508217A GB 6638 A GB6638 A GB 6638A GB 6638 A GB6638 A GB 6638A GB 508217 A GB508217 A GB 508217A
- Authority
- GB
- United Kingdom
- Prior art keywords
- holder
- ball
- screw
- sockets
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
- H01R33/97—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
- H01R33/973—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held for bayonet type coupling devices
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
508,217. Two-part coupling. BAILEY, N., and FOULDS, J. R. Jan. 3, 1938, No. 66. (Class 38 (i)] A bayonet-cap lamp 2 is looked in its holder 5 by an, annular member 10 having internal projections 8 that enter the bayonet slots 4a to prevent the escape of the bayonet pins 7, the member 10 being secured by a ball 11 engaging the holder 5 and being clamped by a. screw 15. The screw has a head shaped to fit a special key, and it may be located in a recess that can be sealed with soft metal or other material. A spring 15a may be held against the ball 11 by a screw plug 16 to' provide preliminary pressure on the ball. An insulating-shield may surround the holder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB6638A GB508217A (en) | 1938-01-03 | 1938-01-03 | Devices for securing electric bulb lamps in their sockets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB6638A GB508217A (en) | 1938-01-03 | 1938-01-03 | Devices for securing electric bulb lamps in their sockets |
Publications (1)
Publication Number | Publication Date |
---|---|
GB508217A true GB508217A (en) | 1939-06-28 |
Family
ID=9697795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6638A Expired GB508217A (en) | 1938-01-03 | 1938-01-03 | Devices for securing electric bulb lamps in their sockets |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB508217A (en) |
-
1938
- 1938-01-03 GB GB6638A patent/GB508217A/en not_active Expired
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