DE477625C - Dimming device for headlights of motor vehicles and. like - Google Patents
Dimming device for headlights of motor vehicles and. likeInfo
- Publication number
- DE477625C DE477625C DED55285D DED0055285D DE477625C DE 477625 C DE477625 C DE 477625C DE D55285 D DED55285 D DE D55285D DE D0055285 D DED0055285 D DE D0055285D DE 477625 C DE477625 C DE 477625C
- Authority
- DE
- Germany
- Prior art keywords
- headlights
- dimming device
- flaps
- motor vehicles
- headlight
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1438—Actuating means for dimming masks or screens
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Abblendvorrichtung für Scheinwerfer von Kraftfahrzeugen u. dgl. Es sind Abblendvorrichtungen für Kraftwagenscheinwerfer mit in einem Tragrahmen übereinanderliegenden, gleichzeitig um parallele Achsen drehbaren Klappen .bekannt, die durch geeignete übertragungsmittel vom Führersitz des Fahrzeugs aus verstellt werden können, um den Scheinwerfer nach Bedarf wirken zu lassen bzw. abzublenden. Bei derartigen Abblendvorrichtungen hat man auch bereits an der oberen oder unteren Kante lein Segment von Klappen frei gehalten, um bei abgeblendetem Scheinwerfer noch einen Lichtstreifen durchzulassen, der unter Vermeidung einer Blendwirkung die Fahrbahn noch genügend beleuchtet. Der durch das frei gelassene Segment gehende Lichtstreifen ist aber verhältnismäßig schmal und gibt, da das Segment nach den Seiten spitz ausläuft, eine zu geringe Seitenbeleuchtung.Dimming device for headlights of motor vehicles and the like are dimming devices for vehicle headlights with one above the other in a support frame, at the same time rotatable about parallel axes flaps .known, which by suitable transmission means can be adjusted from the driver's seat of the vehicle to to let the headlight work as required or to dim it. With such dimming devices you already have a segment of flaps free on the upper or lower edge held to allow a strip of light to pass through when the headlight is dimmed, which still illuminates the road sufficiently while avoiding glare. Of the However, the light streak going through the vacated segment is proportionate narrow and, since the segment tapers off to the sides, is too small Side lighting.
Gemäß der Erfindung wird bei abgeblendetem Scheinwerfer ein breiterer und über die ganze Breite gleichmäßig starker Lichtstreifen dadurch erhalten, daß nach der Mitte der Scheinwerferöffnung hin zwei aufeinanderfolgende Klappen in solchem Abstande voneinander angeordnet sind, daß bei der Abblendstellung der Klappen zwischen ihnen ein einen Lichtstreifen durchlassender Spalt offen bleibt. Es ist also gewissermaßen die ganze Abblendvorrichtung in zwei Gruppen von Klappen unterteilt, zwischen denen sich ein in der Abblendstellung offen bleibender Zwischenraum befindet.According to the invention, a wider headlight is dimmed and uniformly strong light streaks over the entire width obtained by the fact that towards the middle of the headlight opening two successive flaps in such Distances are arranged that in the dipped position of the flaps between a gap that allows a streak of light to remain open for them. So it is in a sense the whole dimming device is divided into two groups of flaps, between which there is a gap that remains open in the dipped position.
Die Zeichnung stellt ein Ausführungsbeispiel der Erfindung dar. Abb. i zeigt die Abblendvorrichtung in senkrechtem Schnitt-in der Schlußstellung.The drawing shows an embodiment of the invention. Fig. i shows the dimming device in a vertical section - in the final position.
Abb. a ist eine Rückansicht.Fig. A is a rear view.
Der Träger der Abblendvorrichtung besteht aus zwei Teilen io und i i. Der Teil io ist ein Ring mit einem nach außen stehenden Flansch 8, der sich an die Stelle der gewöhnlichen Scheinwerferscheibe am Rande des Scheinwerfergehäuses 7 legt. Der Teil ioweist ferner einen einwärts gerichteten Wulst 3 mit Löchern zur Aufnahme der Drehachsen z der Klappen i auf. Der den Teil io umfassende Teil i i ist zylindrisch und am äußeren Rande mit einer Einbördelung i a zum Festhalten der Scheibe 5 versehen, die sich innen gegen das äußere Ende des Teiles io legt. Durch Lagerung der zweiten und dritten Klappe von oben in entsprechend vergrößertem Abstande ist erreicht, daß zwischen diesen bei geschlossener Abblendvorrichtung ein quer über die Scheinwerferöffnung gehender Spalt 13 frei bleibt, durch den ein schräg abwärts gerichtetes breites und gleichmäßig starkes Strahlenbündel i ¢ austritt.The support of the dimming device consists of two parts io and i i. The part io is a ring with an outwardly projecting flange 8, which is attached to the place of the ordinary headlight washer on the edge of the headlight housing 7 sets. The part ioweist also has an inwardly directed bead 3 with holes Recording of the axes of rotation z of the flaps i. The part io comprising part i i is cylindrical and on the outer edge with a bead i a to hold the Disc 5 is provided, which lies inside against the outer end of the part io. By Storage of the second and third flap from above at a correspondingly larger distance is achieved that between these with the shutter closed a transverse Gap 13 going over the headlight opening remains free through which an oblique downwardly broad and uniformly strong beam i ¢ emerges.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED55285D DE477625C (en) | Dimming device for headlights of motor vehicles and. like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED55285D DE477625C (en) | Dimming device for headlights of motor vehicles and. like |
Publications (1)
Publication Number | Publication Date |
---|---|
DE477625C true DE477625C (en) | 1929-06-11 |
Family
ID=7056401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DED55285D Expired DE477625C (en) | Dimming device for headlights of motor vehicles and. like |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE477625C (en) |
-
0
- DE DED55285D patent/DE477625C/en not_active Expired
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