CH347265A - Shielding body for tube lamps - Google Patents
Shielding body for tube lampsInfo
- Publication number
- CH347265A CH347265A CH347265DA CH347265A CH 347265 A CH347265 A CH 347265A CH 347265D A CH347265D A CH 347265DA CH 347265 A CH347265 A CH 347265A
- Authority
- CH
- Switzerland
- Prior art keywords
- shielding body
- channel
- tube
- legs
- holding means
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V3/00—Globes; Bowls; Cover glasses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Abschirmungskörper für Röhrenlampen Die vorliegende Erfindung betrifft einen für Röh renlampen bestimmten Abschirmungskörper, der sich durch eine aus einem durchscheinenden Kunststoff bestehende, U-förmige Rinne auszeichnet, deren Schenkel auf der Innenseite mit Haltemitteln ver sehen und derart federnd ausgebildet sind, dass die mit ihrer Längsöffnung auf eine Leuchtröhre auf gesetzte Rinne infolge der Eigenfederung ihrer Schen kel durch die die Röhre übergreifenden Haltemittel in ihrer aufgesetzten Lage gesichert wird.
Auf der beiliegenden Zeichnung ist ein Ausfüh rungsbeispiel des Erfindungsgegenstandes veranschau licht.
Fig. 1 ist eine Seitenansicht einer abgeschirmten Röhrenlampe, und Fig. 2 ist ein Querschnitt durch die Röhrenlampe längs der Linie II-11 in Fig. 1.
In Fig. 1 und 2 ist a der an der Decke oder an einer Wand des zu beleuchtenden Raumes befestigte, trogartige Fassungsträger der Lampe mit an dessen Enden vorgesehenen Lampenfassungen a1, zwischen welchen sich die mit den stromführenden Kontakt teilen in Verbindung gebrachte Leuchtröhre b er streckt. Auf dieser Leuchtröhre ist ein Abschirmungs- körper aufgesetzt, der aus einem durchscheinenden Kunststoff, wie z. B. Plexiglas (eingetragene Marke) hergestellt ist und eine U-förmige Rinne c bildet.
Die Schenkel derselben weisen innenseitig zweckmässig an einander gegenüberliegenden Stellen je eine Halte rippe ci auf, die vorteilhafterweise im Strangpress- verfahren geformt ist. An Stelle von Halterippen könnten gegebenenfalls auch Haltenocken vorgesehen sein. Die Rinne c ist so bemessen, dass deren federnde Schenkel, die im wesentlichen parallel zu einander sind, beim Aufsetzen auf die Leuchtröhre b, für die sie bestimmt ist, leicht federnd gespreizt werden und die Halterinne cl die Leuchtröhre übergreifen, wodurch die Rinne in ihrer aufgesetzten Lage ge sichert wird.
Gegebenenfalls können die Schenkel der Rinne auch einen Verlauf nehmen, der nicht parallel ist. Die Rinne weist auch innen an ihrem Bodenteil eine Rippe c2 auf, die lediglich zur Distanzhaltung- im montierten Zustand gegenüber der Leuchtröhre dient. Die Rinne ist zweckmässigerweise längsgerillt und könnte an ihren Enden gewünschtenfalls mittels Stirnwänden abgeschlossen sein.
Shielding body for tube lamps The present invention relates to a shielding body intended for tubular lamps, which is characterized by a U-shaped channel made of a translucent plastic, the legs of which are provided with holding means on the inside and are designed to be resilient with their longitudinal opening on a fluorescent tube set on gutter as a result of the inherent springiness of their thighs is secured by the holding means that crosses the tube in its attached position.
On the accompanying drawing, an exemplary embodiment of the subject invention is illustrated.
FIG. 1 is a side view of a shielded tube lamp, and FIG. 2 is a cross section through the tube lamp along line II-11 in FIG. 1.
In Fig. 1 and 2 a is attached to the ceiling or on a wall of the room to be illuminated, trough-like socket carrier of the lamp with lamp sockets a1 provided at its ends, between which the fluorescent tube connected to the live contact share b it stretches . A shielding body is placed on this fluorescent tube, which is made of a translucent plastic, such as B. Plexiglas (registered trademark) is made and a U-shaped channel c forms.
The legs of the same expediently each have a holding rib ci on the inside at mutually opposite points, which is advantageously formed in the extrusion process. Instead of retaining ribs, retaining cams could optionally also be provided. The channel c is dimensioned so that its resilient legs, which are essentially parallel to each other, when placed on the fluorescent tube b, for which it is intended, are slightly resiliently spread and the holding channel cl overlap the fluorescent tube, whereby the channel in their attached position is secured.
If necessary, the legs of the channel can also take a course that is not parallel. The channel also has a rib c2 on the inside on its bottom part, which only serves to maintain a distance from the fluorescent tube in the assembled state. The channel is expediently grooved longitudinally and, if desired, could be closed off at its ends by means of end walls.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH347265T | 1958-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH347265A true CH347265A (en) | 1960-06-30 |
Family
ID=4507933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH347265D CH347265A (en) | 1958-09-09 | 1958-09-09 | Shielding body for tube lamps |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH347265A (en) |
-
1958
- 1958-09-09 CH CH347265D patent/CH347265A/en unknown
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