Headlight for vehicle for low beam and at least one further...

Details Headlight for vehicle for low beam and at least one further... Headlight for vehicle for low beam and at least one further...

2000-07-13

2001-12-25

Cariaso, Alan (Department: 2875)

Illumination

Supported by vehicle structure

Adjustable lamp or lamp support

C362S285000, C362S418000

Reexamination Certificate

active

06332702

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a headlight for a vehicle, for producing low beam and at least one further light function.
Headlights of the above mentioned general type are known in the art. One of such headlights is disclosed for example in the German patent document DE 44 35 507 A1. This headlight has a reflector and a light source which is movable by an adjusting device relative to the reflector between a position for low beam and at least one position for at least one further light function. The adjusting device is arranged at a rear side of the reflector under the light source. The light source is a gas discharge lamp and the further light function of the headlight is a high beam function. Light which is emitted by the gas discharge lamp in its lower peripheral region can be used poorly because of its uncontrolled dispersed characteristic. The adjusting device requires a space at the rear side of the reflector so that for this reason it is also difficult to use the region of the reflector under the light source. The gas discharge lamp has a long service life. However, in particular the turning-on process provides a high load for the gas discharge lamp so that a short operation of the gas discharge lamp, as for example for the function of the flashlight, is not advantageous.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a headlight of the above mentioned general type, which avoids the disadvantages of the prior art.
In keeping with these objects and with others which will become apparent hereinafter, one feature of present invention resides, briefly stated, in a headlight for a vehicle, in which in the light outlet direction after the adjusting device, an additional reflector is arranged in which an additional light source is inserted transversely to its optical axis.
When the headlight is designed in accordance with the present invention, it has the advantage that the space under the light source is used with the additional reflector, and the additional light source can be mounted also with the adjusting device arranged directly behind the additional reflector.
In accordance with anotherfeature of the present invention, the additional light source has a light body which extends transversely to its longitudinal axis and at least approximately in direction of the optical axis of the additional reflector. This makes possible the use of a conventional light source as the additional light source, because of mounting of the light body transversely to the optical axis of the additional reflector to extend in direction of the optical axis.
In accordance with anotherfeature of the present invention, the additional reflector with additional light source operates for providing a flashlight. This embodiment is especially advantageous for the use of a gas discharge lamp as a light source, since it does not have to be used for the flashlight as required for its service life.
The novel features which are considered as characteristic for the present invention are set forth in particular in the appended claims. The invention itself, however, both as to its construction and its method of operation, together with additional objects and advantages thereof, will be best understood from the following description of specific embodiments when read in connection with the accompanying drawings.


REFERENCES:
patent: 5769525 (1998-06-01), Daumueller
patent: 44 35 507 A1 (1996-04-01), None

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