AT62031B - Device for fixing incandescent lamps in electric miner's lamps. - Google Patents
Device for fixing incandescent lamps in electric miner's lamps.Info
- Publication number
- AT62031B AT62031B AT62031DA AT62031B AT 62031 B AT62031 B AT 62031B AT 62031D A AT62031D A AT 62031DA AT 62031 B AT62031 B AT 62031B
- Authority
- AT
- Austria
- Prior art keywords
- lamps
- lamp
- plate
- miner
- fixing
- Prior art date
Links
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
<Desc/Clms Page number 1>
Einrichtung zur Befestigung von Glühlampen in elektrischen Grubenlampen.
Die in elektrischen Grubenlampen zur Verwendung kommenden Glühlampen wurden bisher allgemein entweder in Fassungen eingeschraubt oder nach Art eines Bajonettverschlusses befestigt. Bei diesen Befestigungsarten war das Auswechseln einer Glühlampe ziemlich umständlich, da zu diesem Zwecke erst der Glaszylinder der Lampe entfernt werden musste.
Gegenstand der vorliegenden Erfindung ist nun eine Befestigung'on elektrischen Glühlampen in Grubenlampen, welche eine sehr leichte Auswechslung der Lampe gestattet.
Die Erfindung besteht darin, dass die am Sockel von einer Metallhülse umgebene Lampe von unten in eine mit einer Metallauskleidung versehene Bohrung der den Glaszylinder tragenden Platte eingesetzt und durch ein oder mehrere zugleich zur Stromleitung dienende Metallstücke an der Unterseite der Platte festgehalten wird.
Die Zeichnung stellt die Erfindung in zwei Ausführungsformen dar. Fig. 1 zeigt einen Schnitt durch den oberen Teil einer elektrischen Grubenlampe, wobei a die am
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Dichtungsscheibe i eingelegt. Die Lampe a kann in die Platte d auch von unten eingeschraubt werden.
Die Lampe a wird in der gezeichneten Lage durch eine Feder k festgehalten, welche an der Unterseite der Platte d so angebracht ist, dass sie beim Einsetzen der Lampe zur Seite gedreht werden kann. Diese Platte ist mit einer Ausbauchung l versehen, in welche der mit der Lampe a verbundene Polstift m (Mittelkontakt) eingreift, so dass die Feder k
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zur Stromzufuhrung etwas anderes als bei dem zuerst beschriebenen Ausführungsbeispiele.
An der Untersite des Lampensockels sind hier zwei Kontaktstücke o und p be-
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Device for fixing incandescent lamps in electric miner's lamps.
The incandescent lamps used in electric miner's lamps have hitherto generally either been screwed into sockets or fastened in the manner of a bayonet lock. With these types of fastening, changing a light bulb was rather cumbersome, as the glass cylinder of the lamp had to be removed for this purpose.
The subject of the present invention is an attachment of electric incandescent lamps in miner's lamps which allows the lamp to be changed very easily.
The invention consists in that the lamp, which is surrounded by a metal sleeve at the base, is inserted from below into a bore provided with a metal lining in the plate carrying the glass cylinder and is held in place on the underside of the plate by one or more pieces of metal that also serve to conduct electricity.
The drawing shows the invention in two embodiments. Fig. 1 shows a section through the upper part of an electric miner's lamp, where a is the am
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Sealing washer i inserted. The lamp a can also be screwed into the plate d from below.
The lamp a is held in the position shown by a spring k which is attached to the underside of the plate d so that it can be turned to the side when the lamp is inserted. This plate is provided with a bulge l, in which the pole pin m connected to the lamp a (center contact) engages, so that the spring k
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for power supply something different than in the first described embodiments.
On the underside of the lamp base there are two contact pieces o and p
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** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT62031T | 1912-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT62031B true AT62031B (en) | 1913-11-10 |
Family
ID=3583929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT62031D AT62031B (en) | 1912-12-28 | 1912-12-28 | Device for fixing incandescent lamps in electric miner's lamps. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT62031B (en) |
-
1912
- 1912-12-28 AT AT62031D patent/AT62031B/en active
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