Electrical connectors – Metallic connector or contact having movable or resilient... – Spring actuated or resilient securing part
Patent
1986-09-15
1988-09-20
McGlynn, Joseph H.
Electrical connectors
Metallic connector or contact having movable or resilient...
Spring actuated or resilient securing part
H01R 1305
Patent
active
047722320
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a lamp holding device for low-voltage lamps.
2. Description of Related Art
The design of modern lamps on one hand requires that the lamps due to their function characteristics fulfill the requirements of good lighting sources and on the other hand be aimed at making the individual parts of the lamp as simple as possible and with as few accessories as necessary. Therein the function of the individual parts of the lamp remain recognizable, but the lamp parts themselves are designed according to the principles of modern design. In this design of lamps the holding device thereof up to now has been the critical point as the traditional lamp sockets are looked upon as inconvenient if they are not provided with suitably formed covers. Such covers or housings, however, add up to the lamp socket itself, such enlargement being undesired when the entire lamp is to be kept small.
The present invention, therefore, is based on the problem of creating a multi-functional holding device which is small as a whole and applicable to lamps, in particular to lamps having a modern design, without the lamp casing.
SUMMARY OF THE INVENTION
To solve this problem the lamp holding device according to the present invention, for low-voltage lamps, is characterized in a manner according to the main claim. The lamp holding device basically looks like a stick or a tube whereas the inner arrangement of the lamp holding device cannot be seen from the outside. When the lamp is inserted into the lamp holding device, the result is a solution being characterized by simplicity and elegance and simultaneously being technically completely functional. The lamp holding device itself can be kept extremely small. In a practical embodiment of the lamp holding device the constructional height of the sleeve including the end pieces is only approximately 30 mm. This low constructional height is obtained because the contact members fulfill two functions, namely on one hand the power supply and on the other hand the mechanical support of the lamp.
Another embodiment of the present invention has the advantage that the lamp can be easily pivoted around the longitudinal axis of the lamp holding device and fixed in each respective position.
The preferred embodiment of the lamp holding device of the invention provides an extremely simple way of supplying power to the end pieces and thus through the clips to the contact pins of the lamp.
Still another embodiment of the lamp holding device of the invention has the advantage that the lead-in wires can be inserted into the end pieces both perpendicularly from the the top and from the side in the longitudinal direction thereof. Inserting the lead-in wires perpendicularly from the top into the lamp holding device is particularly suitable in suspended lamps.
A further embodiment of the lamp holding device of the invention represents an advantageous solution for the connecting system as the metallic end piece itself has the function of the connecting means.
A still further embodiment of the lamp holding device of the invention relates to a further modification of the end piece. Therein, the end piece has a cap in which the connecting member is arranged. By means of the cap it is possible to match the outer form of the end piece with respect to the appearance of the sleeve of the holding device in favorable manner and it is also possible to fix the lead-in wire to the end piece in simplified manner.
Another embodiment of the lamp holding device has the advantage that the lead-in wire can be fixed in the end piece in simple manner.
Another embodiment of the lamp holding device has the advantage that the end piece may easily be fixed to the sleeve, using only a few manual operations.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention are now explained using the enclosed drawings, in which:
FIG. 1 is a side view of the lamp holding device, partly in section and partly in top view;
FIG. 2 is a further side view of the lamp holdi
REFERENCES:
patent: 2732534 (1956-01-01), Giel
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