DE20002648U1 - Shaped element - Google Patents

Description

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Wilhelm Koch Gmbl*1 ·**: · \ \ ,·* · J ·· ! 2405/534-1

Kupferstrasse 22-24
33378 Rheda-Wiedenbrück

Form element

The invention relates to a shaped element according to the preamble of the main claim.

A lighting system for furniture handles is known, DE 19610039 Al, in which transparent handle parts are attached to the furniture panel in a conventional manner using screws that pass through it, and in addition a light source is inserted from the outside into the specially designed furniture panel, which is provided with current-carrying layers.

This type of fastening and power supply is extremely complex in terms of technical design and assembly requirements and can only be retrofitted by replacing entire furniture components.

The object of the invention is to provide an illuminable form element which can be attached and supplied with energy in the simplest way and which can be easily attached to any location on a piece of furniture.

The solution to this problem is achieved according to the invention in conjunction with the generic features by the technical teaching specified in the characterizing part of the main claim.

Wilhelm Koch GmbH : :*: : .· ·: :: : 2405/534-1

Because at least part of the energy supply for the light source is fed through the threaded screw that is needed to attach the molded element, be it a knob, knob or handle on a piece of furniture for operating drawers, flaps or doors or a hook on a coat rack or a molded part as a design element, the one-hole solution makes assembly much easier and costs are significantly reduced. Furthermore, no special furniture components such as furniture panels with current-carrying layers or additional elements such as light source sockets, screws or cables on the surface side are required and a low installation depth of the lighting device on the back of the surface is maintained.

Advantageous embodiments of the subject matter of the invention emerge from and in conjunction with the following subclaims.

According to a particularly preferred embodiment of the invention, the threaded screw is designed as a hollow threaded screw and the lighting means is inserted into an inner recess of the hollow threaded screw, with the power supply being led through the hollow threaded screw to the lighting means via cable and plug. The lighting means extends at least partially into a recess or the threaded hole in the transparent or translucent knob part of the molded element.

This provides the simplest possible installation of a fitting part while simultaneously designing the knob from transparent or translucent material as an active lighting device. In the simplest way

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In this way, decorative effects can be enhanced, individual decorative light sources or light groups can be created, or orientation lighting can be implemented, as well as signaling functions such as the display of certain operating states. All known light sources can be used as lamps, be they incandescent lamps, LEDs or fiber optic cables.

In an advantageous embodiment of the invention, a plastic bushing is inserted into the recess of the hollow threaded screw from behind to fix the plug and/or the lamp, which can simultaneously be designed as a protective cap.

In a slightly more complex version of the inventive molded element, one phase of the electrical energy is conducted directly through the threaded screw, which at its end engages in a metal threaded sleeve, which in turn clamps a contact of a light source that is arranged in a recess in a transparent part of the knob. The second contact of the light source closes the circuit via a second, current-conducting or conductive part of the knob via metal bushings to a connection device designed as a ring on the side facing away from the molded element. Here too, the simple one-hole solution enables the simultaneous fastening and energy supply of a molded element that can be illuminated from the inside.

According to a further advantageous embodiment of the invention, the threaded screw (5,15) is replaced by a locking pin and the thread of a shaped element by a locking element, so that

Wilhelm Koch Gmbtf &Ggr;*: * ; :.·*·; ti I 2405/534-1

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The parts only need to be plugged together for assembly, which further simplifies production and also speeds it up considerably.

Two embodiments of the invention are described in more detail below with reference to the drawings. They show:

Fig. 1 a sectional view of a molded element with translucent ball knob and hollow thread screw with a light source and

Fig. 2 an exploded view of a fitting with a two-part knob and integrated light source.

The shaped element consists of at least partially transparent or translucent material, in particular the knob part 2,12 or handle of the front panel of a piece of furniture for operating drawers, flaps or doors and has a lighting means 1,11 extending to or into this material with contacts for an external power supply and a fastening device for the shaped element consisting of a threaded screw 5,15 extending from the rear through the front panel 3,13 into a thread 9,19 of the shaped element, wherein at least part of the power supply for the lighting means 1,11 is led through the threaded screw 5,15.

In the first embodiment, as shown in Figure 1, the threaded screw 5 is designed as a hollow thread screw that extends through a hole 4 in the front panel 3 and onto which a transparent knob part 2 is screwed. The light source 1 is inserted from the outside or inside into the inner recess of the hollow thread screw.

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Wilhelm KochGmbrj &Ggr;*: · · · .·' * · \\ | 2405/534-1

and connected to the power supply via a plug 8 and cable 6. From the inside, the recess is closed with a plastic bushing, which can either simultaneously serve to fix the plug 8 and/or the lamp 1 or can be formed in one piece with a plug.

The light-emitting part of the illuminant 1 extends into a recess 10 in the knob part 2, which in the simplest case corresponds to the end of the threaded hole of the thread 9 in the knob part 2.

Not shown in the drawing are embodiments in which one or more light sources 1 are arranged further or completely in a knob part 2 and the energy supply in the form of cables 6 is led through the threaded screw 5 to the light sources 1.

In a second version of the molded element, the illuminant 11 is arranged in a knob part 12 of the area of the molded element that can be handled from the outside, wherein the threaded screw 15 is designed to conduct electricity and one phase of the energy supply is led directly through the threaded screw 15 and the other phase of the energy supply is led via external sockets (20, 21) insulated from the threaded screw 15.

This molded element has a split knob part, of which one knob part 12 is transparent or translucent and the other knob part 18 is electrically conductive or provided with an electrically conductive coating or separate lines. In the knob part 11 there is a recess

Wilhelm Koch Gmbh) ·": « · ·.·'·· ·· * 2405/534-1

A connection device 24 for a lamp 11 with two contacts 22, 23 is arranged, of which a contact 23 extends to a thread 19 or a metallic threaded bushing into which the threaded screw 15 extends through the hole 14 in the front plate 13. In the area of the head of the threaded screw 15, a connection device in the form of a ring eyelet 16 or a plug-in shoe with a connection cable that can be crimped onto it is provided.

The threaded screw 15 is electrically insulated within the bore 14 via a plastic bushing 17 from the second phase of the circuit, which is closed via the second contact 22 of the lamp 11, the current-conducting part of the knob part 18 and also current-conducting bushings 20, 21 and a second connection device arranged on the inside of the front plate, again in the form of a ring eyelet 16.

Both basic versions of the molded element thus provide a very economical and technically simple to implement one-hole solution for fastening a molded element while simultaneously implementing an energy supply for a light source 1,11 integrated in the front panel 3,13 or another furniture panel or in the molded element itself.

Claims (8)

1. Moulded element, in particular a knob or handle on a front panel of a piece of furniture, made of at least partially transparent or translucent material and with a light source extending to or into this material with contacts for an external power supply, and with a fastening device for the moulded element made of a threaded screw extending from behind through the front panel into a thread of the moulded element, characterized in that at least part of the power supply for the light source ( 1 , 11 ) is passed through the threaded screw ( 5 , 15 ). 2. Form element according to claim 1, characterized in that the threaded screw ( 5 ) is designed as a hollow threaded screw and the lighting means ( 1 ) is inserted into an inner recess of the hollow threaded screw ( 5 ) and the energy supply is led through the hollow threaded screw ( 5 ) to the lighting means ( 1 ) via cable ( 6 ) and plug ( 8 ). 3. Shaped element according to one of the preceding claims, characterized in that the illuminant ( 1 ) extends at least partially into a recess ( 10 ) or the threaded bore in the transparent or translucent knob part ( 2 ) of the shaped element. 4. Form element according to one of the preceding claims, characterized in that a plastic bushing ( 7 ) is inserted from behind in the recess of the hollow threaded screw ( 5 ) as a fixation of the plug ( 8 ) and/or the lighting means ( 1 ). 5. Moulded element according to claim 1, characterized in that the lighting means ( 11 ) is arranged in a knob part ( 12 ) of the area of the moulded element that can be handled from the outside, the threaded screw ( 15 ) is designed to conduct electricity and one phase of the energy supply is led directly through the threaded screw ( 15 ) and the other phase of the energy supply is led via external bushings ( 20 , 21 ) insulated from the threaded screw ( 15 ). 6. Form element according to claim 5, characterized in that an electrical connection device ( 16 ) is arranged between the threaded screw ( 15 ) and a plastic bushing ( 17 ). 7. Shaped element according to claim 5, characterized in that a recess ( 24 ) for a lighting means ( 11 ) is arranged in the transparent or translucent knob part ( 12 ), this knob part ( 12 ) is provided with an inserted metallic bushing ( 19 ) with a thread, which clamps a contact ( 22 ) of the lighting means ( 11 ) on the inside and a metallically conductive or conductively made knob and spacer part ( 18 ) encloses this area and forms a second contact ( 23 ) with the lighting means ( 11 ) on the outside, wherein the electrical connection is further established via a metallic bushing ( 20 , 21 ) and an electrical connection device ( 16 ). 8. Form element according to one of the preceding claims, characterized in that the threaded screw ( 5 , 15 ) is replaced by a locking pin and the thread of a form element is replaced by a locking element.