Illumination – Plural light sources – Diverse light generators
Reexamination Certificate
2000-05-22
2001-08-21
Cariaso, Alan (Department: 2875)
Illumination
Plural light sources
Diverse light generators
C362S267000, C313S318010, C313S318110
Reexamination Certificate
active
06276812
ABSTRACT:
The invention relates to an electrical lamp as claimed in the preamble of patent claim
1
and to a lighting system for such lamps.
I. PRIOR ART
An electrical lamp corresponding to the preamble of patent claim
1
is disclosed, for example, in the German Utility Model 296 16 116. The lamp described in the abovementioned utility model is an incandescent lamp which is intended for use in a motor vehicle for generating the lighting functions of brake light, tail light or indicator light. The lamp base is embodied in this lamp, depending on the use, either as a plug or with slider contacts for printed circuit board mounting.
II. SUMMARY OF THE INVENTION
The object of the invention is to make available an electrical lamp with an improved lamp base which makes it possible to install the lamp both on a carrier plate, for example for use as an indicator light or brake light in the rear area of a motor vehicle, and in a sealed reflector, for example as an indicator light in a front head light of a motor vehicle.
This object is achieved according to the invention by means of the defining features of patent claim
1
. Particularly advantageous embodiments of the invention are described in the subclaims.
The electrical lamp according to the invention has a base which is provided with at least two V-shaped attachment clips with elastic V-shaped limbs, the first V-shaped limbs forming a receptacle for a tappet-like holder component or plug component, and the ends of the first V-shaped limbs being integrally formed onto the base, while the ends of the second V-shaped limbs are embodied as free ends. These measures enable the lamp according to the invention to be installed both on a carrier plate which is equipped with lamp holders and in the rear installation opening, to be sealed, of a reflector element.
The electrical base contacts advantageously extend into the receptacle formed by the first V-shaped limbs and electrical contact is easily formed in this way between the base contacts and the holder contacts of the tappet-like holder component or plug component which is arranged between the first V-shaped limbs. In addition, the first V-shaped limbs advantageously have first latching noses which connect in a latching fashion with the holder component or plug component arranged in the receptacle between the first V-shaped limbs. The second V-shaped limbs are advantageously equipped at their free ends with second latching noses in order to make possible a latching connection between the lamp base and the edge of the installation opening in the reflector body. In addition, the free ends of the V-shaped limbs advantageously each have an oblique face which facilitates the insertion of the lamp into the installation opening of the reflector body.
According to a first preferred exemplary embodiment, the lighting system according to the invention has a carrier plate on which there is at least one lamp holder which has a tappet which is equipped with the electrical holder contacts, projects out of the carrier plate and is arranged between the first V-shaped limbs when the lamp is inserted. The first latching noses advantageously connect in a latching fashion to the tappet when the lamp is inserted.
According to a second preferred exemplary embodiment, the light system according to the invention has a reflector which has at least one installation opening for, in each case, one lamp, and at least one plug which is provided with a connection cable. The plug is equipped with attachment means for attaching it to the reflector and is equipped with a tappet-shaped projection which, after it has been mounted, is arranged in the receptacle formed by the first V-shaped limbs. In addition, the plug has at least two unlocking pins which, when the plug is fitted on, release the latching connection between the two latching noses and the reflector. The plug is also advantageously equipped with a sealing ring which bears against a flange, surrounding the installation opening, on the reflector and seals this opening. The electrical contacts of the plug are advantageously located on the tappet-like projection.
REFERENCES:
patent: 5209668 (1993-05-01), Higano et al.
patent: 5216318 (1993-06-01), Van Dulmen et al.
patent: 5313134 (1994-05-01), Borgis et al.
patent: 86 15 923 U (1986-07-01), None
patent: 296 16 116 U (1996-12-01), None
patent: 0 188 261 A2 (1986-07-01), None
patent: 0 490 702 A1 (1992-06-01), None
Helbig Peter
Wild Hans
Cariaso Alan
Meyer William E.
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen MBH
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