GB2030012A - New and improved type lampholder and lamp with live contacts isolated thus providing protection against electric shock - Google Patents
New and improved type lampholder and lamp with live contacts isolated thus providing protection against electric shock Download PDFInfo
- Publication number
- GB2030012A GB2030012A GB7836263A GB7836263A GB2030012A GB 2030012 A GB2030012 A GB 2030012A GB 7836263 A GB7836263 A GB 7836263A GB 7836263 A GB7836263 A GB 7836263A GB 2030012 A GB2030012 A GB 2030012A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- lampholder
- contacts
- green
- red
- 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.)
- Withdrawn
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
- H01R33/05—Two-pole devices
- H01R33/46—Two-pole devices for bayonet type base
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Abstract
Access to contacts mounted within a chamber in a lampholder is achieved via opposed slots in a partition of the lampholder body. The lamp has radially outwardly projecting contacts which are inserted through respective radially orientated portions of the slots prior to rotation of the lamp which brings the contacts thereof into contact with those of the lampholder.
Description
SPECIFICATION
New and improved style electric light lampholder and lamp with live points isolated thus providing protection from electric shock
The lampholder is made of plastics or other nonconductive material, the only metal parts being the contacts coloured red in the drawing. The lampholder is designed so that when connected to the supply are in a chamber and secure from electric shock.
The lamp is of standard design but with modified contacts as coloured green in the drawing. In fitting the lamp into the lampholder the contacts on the lamp shown as green penetrate the slotted aperatures in the lampholder and reach a higher level than the contacts shown as red. A slight clockwise turn of the lamp and the green can settle on the red thus completing the circuit.
CLAIM
The lampholder is in effect a shell enclosing the live contacts. The lamp has extended wire contacts which reach the contacts within the lampholder by means of the slotted apertures shown in the drawing. When the lamp is pushed in the lampholderto the limit and twisted clockwise the contacts shown in green in the drawing of the lamp will settle on the live contacts within the lampholder shown in red in the drawing, thus completing the circuit.
The drawing(s) originally filed was/were informal and the print here reproduced is taken
from a later filed formal copy.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (1)
- **WARNING** start of CLMS field may overlap end of DESC **.SPECIFICATION New and improved style electric light lampholder and lamp with live points isolated thus providing protection from electric shock The lampholder is made of plastics or other nonconductive material, the only metal parts being the contacts coloured red in the drawing. The lampholder is designed so that when connected to the supply are in a chamber and secure from electric shock.The lamp is of standard design but with modified contacts as coloured green in the drawing. In fitting the lamp into the lampholder the contacts on the lamp shown as green penetrate the slotted aperatures in the lampholder and reach a higher level than the contacts shown as red. A slight clockwise turn of the lamp and the green can settle on the red thus completing the circuit.CLAIMThe lampholder is in effect a shell enclosing the live contacts. The lamp has extended wire contacts which reach the contacts within the lampholder by means of the slotted apertures shown in the drawing. When the lamp is pushed in the lampholderto the limit and twisted clockwise the contacts shown in green in the drawing of the lamp will settle on the live contacts within the lampholder shown in red in the drawing, thus completing the circuit.The drawing(s) originally filed was/were informal and the print here reproduced is taken from a later filed formal copy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7836263A GB2030012A (en) | 1978-09-09 | 1978-09-09 | New and improved type lampholder and lamp with live contacts isolated thus providing protection against electric shock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7836263A GB2030012A (en) | 1978-09-09 | 1978-09-09 | New and improved type lampholder and lamp with live contacts isolated thus providing protection against electric shock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2030012A true GB2030012A (en) | 1980-03-26 |
Family
ID=10499571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB7836263A Withdrawn GB2030012A (en) | 1978-09-09 | 1978-09-09 | New and improved type lampholder and lamp with live contacts isolated thus providing protection against electric shock |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2030012A (en) |
-
1978
- 1978-09-09 GB GB7836263A patent/GB2030012A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |