EP2381163A2 - Lampshade device, lamp and lamp assembly kit for manufacturing such a lamp - Google Patents

Abstract

The lamp screen device (1) has a longitudinal axis and a lamp screen (10) extended around the longitudinal axis. A locking device (12) is provided for locking different sections of the lamp screen with each another in a detachable manner. Independent claims are also included for the following: (1) a lamp with a lamp screen; and (2) a lamp kit for generating a lamp.

Description

The invention relates to a lampshade device, a lamp and a lamp kit for creating such a lamp. There are already widely known types of lamps, such as floor lamps, ceiling lamps or lamps, which are intended for attachment to walls. Floor lamps are known in the versions as a "table floor lamp" or as a "floor lamp".

As a rule, all these lamps have a lampshade which partially shields or attenuates the light emitted by the luminous means, such as lightbulb. It is also known that such lampshades can consist of different materials. For example, such a lampshade may comprise a frame surrounded by a fabric, such as metal frames. Moreover, it is known that such lampshades can be made entirely of metal.

Lamps are usually partially assembled to end customers in shops or offered as a kit of parts or fully assembled.

Both in the kits consisting of individual parts as well as in the partially assembled lamps of the known type, the customer must install a lampshade to a corresponding bracket to create the finished lamp. This can for example be such that a lamp stand is provided with such a holder on which the lampshade is to be mounted. It is also known that a lamp holder of the lamp provided with a holder for the lampshade is. This holder can be configured, for example, from screw holder.

The lampshade itself is always provided in the known lamps of the type mentioned in its "finished" shape, so does not need to be mounted itself. This can lead to the space required for the lamps in the bearings of the manufacturer or dealer being correspondingly large.

The invention is based on the object to enable that the space required for the storage of lamps by manufacturers or dealers is kept relatively low, but at the end customer of the lamp but a high installation cost is avoided.

According to the invention, a lampshade device according to claim 1 or according to claim 3 is proposed. A lamp with such a lampshade is the subject of claim 8. A lamp kit for the creation of such a lamp is the subject of claim 11. Exemplary embodiments of such lampshade devices, lamps and lamp kits are the subject of the dependent claims.

According to the invention, therefore, a lampshade device is provided. Around a longitudinal axis of this lampshade device extends an elastically deformable lampshade. The lampshade assembly further includes locking means for releasably locking different portions of the lampshade together to hold the lampshade in a shape extending about the longitudinal axis.

For example, it can be provided that the locking device is formed by one or more projections, on the one hand, and by one or more recesses or Breakthroughs on the other hand, wherein the at least one projection is formed on a located in the circumferential direction of the longitudinal axis of the mounted lampshade first end of the lampshade and wherein the respective associated recess at the opposite end of this circumferential direction in this second end of the (mounted) lampshade is formed.

The at least one projection may, for example, be T-shaped or mushroom-shaped, and the at least one recess may, for example, be slit-shaped. Such a slot shape may, for example, be such that the longitudinal direction of the slot extends in a direction extending transversely, in particular perpendicularly, to the circumferential direction of the (mounted) lampshade. Furthermore, it can be provided, for example, that such slots have adjacent and interconnected sections of different slot lengths. For example, the slits may be formed to provide a larger slit length section which may be penetrated by the crosspiece of T-shape or mushroom shape and a shorter slit length section at least the width of the longitudinal length of the T-shape or mushroom-shape, but shorter than the cross-section of the T-shape, so that in the locked position, the longitudinal piece of T-shape or mushroom-shape penetrates this area and the cross-section piece of the T-shape or mushroom-shape per se supported in the longitudinal direction of the slot this slot bounding wall sections.

The lampshade device may be provided with a lamp stand for supporting the lampshade on a substrate, this lamp stand being formed by a plurality of lamp legs distributed circumferentially around the central longitudinal axis (of the mounted lampshade).

According to a particularly preferable embodiment, the lampshade with the lamp legs forms a one-piece design or a design made of a one-piece part.

It is further preferred that the lampshade with the locking device forms a one-piece or a design made of a one-piece part. The lampshade is in an advantageous embodiment of metal. The lamp stand or the lamp legs are in an advantageous design of metal. The locking device is in an advantageous embodiment of metal.

In a particularly preferable embodiment of the lampshade are made with the lamp stand or the lamp legs of a one-piece sheet. It is further preferred that the lampshade is made with the locking device of a one-piece sheet metal.

It can be provided that the lampshade and / or the locking device and / or the lamp stand or the lamp legs are made of spring steel. It can be provided that the lampshade is connected without joints to the locking device. Furthermore, it can be provided that the lampshade is connected free of joints with the lamp stand or the lamp legs.

As mentioned, the lampshade, the locking device and the lamp stand or the lamp legs can be made of sheet metal. It can be provided that this sheet has a constant material thickness. The material thickness of the sheet may, for example, be greater than 0.1 mm and less than 0.4 mm. Particularly preferred may be the material thickness of the sheet in the range of 0.2 - 0.35 mm. A particularly preferred value for the sheet thickness is 0.3 mm.

It should be noted that instead of a sheet of metal, for example, another material such as elastic moldable plastic, cardboard or paper or the like can be used, in particular in areally extending form. However, the use of a metal sheet, in particular of spring steel, has stability advantages in various designs.

The lampshade and / or the locking mechanism and / or the lamp stand or the lamp legs may be white, for example. The color "white" can have a positive effect on the lighting effect. However, this should not be ruled out that other colors can be used.

In an advantageous embodiment, the lampshade and / or the locking device and / or the lamp stand or the lamp legs are powder-coated. Such a powder coating can have a positive influence on the temperature of the lampshade, and if necessary the lamp legs or the locking mechanism, and possibly positive effects with regard to the effect of light.

It can be provided, for example, that a holding part for a light source, such as light bulb, LEDs, or the like, is provided. Such a holding part for a lighting means can also be such that it simultaneously acts as a stiffening part. For example, it can be provided that the holding or stiffening part is arranged radially inside the lampshade and is supported on the lampshade.

A lamp according to the invention comprises a lampshade according to the invention, as well as a stiffening and / or holding part arranged radially inside the lampshade. The stiffening and / or holding part is supported on the lampshade. As a holding part it can be a carrier of a light source.

The stiffening and / or holding part, which is referred to below as a stiffening part, may for example be formed star-shaped and thus have a plurality of radially extending arms, such as three arms. Further, the stiffening member may be formed so that it has a central opening, which serves for example for receiving a bulb socket. It can be provided that such bulb holder is held in the opening, wherein means for axial holding between the bulb socket and the stiffening member act.

The stiffening part may be formed as a sheet metal part, such as star-shaped sheet metal part. Next, the stiffening member may be provided on its radial arms on the outside end with cross-sectional tapers, which are inserted through openings provided in the lampshade, with a respective subsequent to the tapered portions widened portion with a larger cross-section radially inward on the lampshade in the area of the Breakthroughs adjacent areas supported.

The lamp may be formed, for example, as a floor lamp or as a bedside lamp.

A lamp assembly according to the invention for the creation or mounting of a lamp has a lampshade device designed according to the present invention and makes possible the assembly or creation of a lamp according to the invention.

The lampshade device is flat, designed for example as a flat sheet metal part, and can be spent in a lampshade forming form or position. This may, for example, be such that a plate-shaped part, such as a flat sheet metal part, is curved around a central axis and locked with a locking mechanism provided in the circumferential direction of the mounted lampshade at both ends of this sheet metal part, so that a around the central axis extending envelope is formed, which forms the lampshade.

The plate-shaped part or sheet metal part or the lampshade in the disassembled state may be formed as a circular ring sector, for example as a circular sector, an angle of less than 180 °, preferably less than 150 °, preferably less than 120 °, more preferably less than 100 ° , more preferably covered between 60 ° and 100 ° degree. It can further be provided that the sheet metal part or the plate-shaped part or the lampshade is designed in disassembled state as a circular sector of the aforementioned eight, are formed on the radially outer tabs for the formation of the legs.

The lamp kit consists in an advantageous embodiment of a plate-shaped part or sheet metal part for the formation of the lampshade with the molded feet and molded thereon locking device, a holding or stiffening part and a bulb holder with molded power supply cable and switch, and with a bulb, such as light bulb or LED or the like.

In a particularly preferred embodiment of the lamp kit is designed so that the lamp from the lamp kit tool-free, for example, tool-free through connectors, mountable.

Fig. 1

eine beispielhafte erfindungsgemäße LampenschirmVorrichtung in schematischer Darstellung;

Fig. 2

ein beispielhaftes Versteifungs- bzw. Halteteil für eine Lampenvorrichtung gemäß Fig. 1;

Fig. 3

die Lampenschirm-Vorrichtung gemäß Fig. 1 in einer Zwischenstellung während des Montageprozesses;

Fig. 4

die Lampenschirm-Vorrichtung gemäß Anspruch 1 in einer montierten Stellung; und

Fig. 5

eine beispielhafte erfindungsgemäße Lampe mit einer Lampenschirm-Vorrichtung gemäß den Fig. 1, 3 und 4 sowie einem Versteifungs- bzw. Halteteil nach Fig. 2.

In the following, in an embodiment of the present invention will be explained in more detail with reference to the accompanying figures. Showing:

Fig. 1

an exemplary lampshade device according to the invention in a schematic representation;

Fig. 2

an exemplary stiffening or holding part for a lamp device according to Fig. 1 ;

Fig. 3

the lampshade device according to Fig. 1 in an intermediate position during the assembly process;

Fig. 4

the lampshade assembly according to claim 1 in an assembled position; and

Fig. 5

an exemplary lamp according to the invention with a lampshade device according to the Fig. 1 . 3 and 4 and a stiffening or holding part after Fig. 2 ,

Fig. 1 shows an exemplary lampshade device 1 according to the invention, which may for example also be part of an exemplary lamp 2 according to the invention and / or an exemplary lamp kit 3 according to the invention, in a schematic representation.

In the unrolled or disassembled state or in the state in which the lampshade device with lamp is offered in the shop can be, has the lampshade device 1, a lampshade 10 made of an elastically deformable material, such as metal, in particular spring steel on.

How good in Fig. 1 is shown, the disassembled state plate-shaped lampshade 10 is a sector of a circle sector and has at its spaced in the circumferential direction of the circular ring sector end areas a locking device 12.

This locking device 12 is formed here on the one hand by projections 16 arranged in a first end region 14 situated in the circumferential direction and by respective recesses 20 assigned to one projection 16 each. These recesses are provided in the second, the first end region in the circumferential direction opposite end portion 18.

In the present embodiment, a plurality, namely four, projections 16 and a plurality, namely four, recesses 20 are provided, wherein the number of projections and recesses may alternatively be greater than four or less than four.

The projections 16 are here T-shaped or mushroom-shaped and extend with its crosspiece 22 in the radial direction substantially and with its longitudinal piece 24 transversely or perpendicular to this radial direction, the radial direction in this case on the (plane) circular sector Form is related.

The recesses 20 are formed so that the slit length located in the radial direction (the planar circular sector shape) varies in a direction transverse thereto. This is so here that the slot length in the end region 18 facing away Direction is greater than in the end region 18 facing direction. The slots 20 are dimensioned such that the crosspiece 22 can be inserted into a region of the slot 20 facing away from the end region 18 and, in a region of the slot 20 facing the end region 18, the crosspiece 22 of the lampshade device wall regions delimiting the slot 20 1, wherein the longitudinal piece 24 extends through the slot 20. The locking device 12 thus forms a kind of plug connection here.

(Based on the planar circular sector shape) are radially au-βen to the plate-shaped part or the lampshade 10 arms or tabs 26 integrally formed, which are offset in the circumferential direction 28 to each other and legs of a lamp stand 30 form or in their entirety Make lamp stand 30.

In an advantageous embodiment, the locking device 12, the lampshade 10 and the tabs 26 and the legs 26 are made of a metal sheet, in particular of a sheet of constant material thickness. This material thickness can be, for example, 0.3 mm. In an advantageous embodiment, this sheet is spring steel.

Reference numeral 34 indicates the radial direction of the planar circular sector shape.

Fig.2 shows a stiffening part 40, which may also have a holding function, for the lampshade device 1 and the lampshade 10 and the lamp 2. The stiffening and / or Holding part is referred to in the following simplified as stiffening part 40.

The stiffening part 40 is designed star-shaped, for example as a star-shaped sheet metal part. In the present example, the star-shaped sheet-metal part has three arms or tabs 42 extending radially, wherein in principle also a different number of arms or tabs 42 can be provided. The tabs are here designed so that they run radially outwardly tapered towards each other. In their radially outer region 44, the tabs on a shoulder 46, which is such that the radially outwardly of this paragraph 46 located area 48 of the arms or tabs 42 has a smaller cross-section or a smaller width than the radially inside of the Paragraph 46 lying region of these arms or tabs 42. For each arm 42 and each tab 42 of the stiffening member 40, the lampshade device 1 has a slot-shaped opening 32 on. The respective slot-shaped opening 32 is here dimensioned so that in each case a radially outwardly of the shoulder 46 located portion 48 of the arms or tabs 42 can be stuck through a slot-shaped opening 32 and the shoulder 46 in the mounted state radially inward on the lampshade device 1 supported. The slot-shaped openings 32 are arranged in the embodiment in the circumferential direction 28 at the level of the tabs or legs 26, in the area of the lampshade 10. The slit-shaped openings 32 extend - relative to the planar circular sector shape - substantially in the circumferential direction.

Central, the stiffening part 40 on an opening 50, which is designed here circular. The stiffening part 40 thus forms around the opening 50 around an annular Section 52, on the radially outside of the arms or tabs 42 are integrally formed.

The stiffening part 40 is plate-shaped.

The breakthrough 50 is, as will be mentioned below, provided for the reception of a light bulb socket. It should be noted that, depending on the light source, deviating receptacles for the light source or a light bulb socket can also be provided.

Fig. 3 shows the lampshade device 1 in a partially assembled state.

As in Fig. 3 It is easy to see, the lampshade device is in Fig. 3 curved about the central longitudinal axis 60, wherein the locking means 12 with the projections 16 and the recesses 20 is not yet engaged.

Fig. 4 shows the lampshade 10 in the assembled state. How good in Fig. 4 can be seen, and in particular from the comparison of FIG. 3 and FIG. 4 , the locking mechanism 12 is in the view according to Fig. 4 engaged, so that the lampshade 10 holds in a circumferentially closed position about the longitudinal axis 60.

Fig. 4 is also good to see that the lampshade 10 and the lampshade device 1 is conical and tapers upwards.

Further is Fig. 4 good to see that the lampshade 10 is integral with the feet 26 formed thereon.

In the design according to Fig. 4 Furthermore, the stiffening member 40 is mounted, which can be seen from the fact that the radially outwardly of the tabs 42 located areas of the stiffening member 40 project from the slot-shaped openings 32 radially outward with respect to the radial direction of the longitudinal axis 60.

Reference numeral 62 indicates the circumferential direction with respect to the longitudinal axis 60. The lampshade 10 with the stiffening part 40 mounted thereon can also be referred to as lamp body 64 or forms a lamp body.

The lamp body thus consists of two parts, the electrical parts are not part of the lamp body.

As in Fig. 4 can be seen, forms the lampshade 10 at the same time the lamp base or the lamp legs 26.

Excluding the bulb holder, cables, switches and bulbs, the entire lamp body 64 consists of two sheet metal parts.

The connector on the lampshade 10 is as out Fig. 4 is removable, visible.

The lamp base is quasi three-legged.

Fig. 5 shows a bottom view of the lamp 2, wherein Fig. 5 at the same time illustrates the assembly of the stiffening part 40 on the lampshade 10.

Since the lampshade 10 is formed with molded legs 26 and the lampshade device 1 conical and made of elastic material, such as spring steel, is, the star-shaped reinforcing member 40 from below so in the lampshade device 1 and pressed in that the radially outwardly of the shoulders 46 located portions 48 of the arms or lugs 42 of the stiffening member 40 engage in the slot-shaped openings 32 so that the stiffening member 40 is axially secured with respect to the central longitudinal axis, and the paragraphs 46th be supported against the radially inner surface of the lampshade device 1 and the lampshade 10.

In Fig. 5 It can also be seen that a light-emitting socket 70 is received in the opening 50. The illuminant mount 70 can have a luminous means receptacle, such as, for example, a bulb receptacle for a light bulb and can be provided with a thread on its radially outer surface, onto which two nuts can be screwed. Between these nuts, the reinforcing member 40 can be picked up and clamped. A power supply cable with a plug, not shown, and possibly a switch arranged thereon can be connected to the light-emitting means holder 70.

The lamp 2 may have various dimensions and, for example, a diameter of 200 mm and a height of 245 mm.

The lampshade device or the lampshade 10 and / or the stiffening part 40 may be made of spring steel sheet, and be powder-coated or painted, for example. It is advantageous if the lampshade 10 has a white color. The stiffening part may, for example, have a different color, such as black color.

As explained above, the lampshade 10 can be mounted by bending and locking the locking mechanism. It was further explained that the bulb holder 70 can be clamped in the opening 50 in a simple manner or clamped by nuts, which can be designed so that they allow easy gripping and screwing by hand. Moreover, it has been explained that it is possible to mount in the slot-shaped openings 32 by axially inserting the stiffening part (with the illuminant mount 70 mounted thereon) and corresponding clipping or latching. Overall, therefore, the lamp 2 can be mounted without tools.

It should be noted that the lamp 2 can also be referred to as a lamp or is such and according to the aforementioned lamp parts can be referred to as corresponding parts of people.

It can further be provided that further openings are provided in the lampshade and / or the lamp feet, which serve to allow a light transmission, and thus a different lighting effect.

The lampshade may be, for example, spring steel, such as 1.4310. For example, it can have a material thickness of 0.3 mm.

The stiffening part, for example made of sheet steel, such as 1.4016 be. For example, it can have a material thickness of 1 mm.

The surface of the lampshade can be powder-coated, and be held in the color Ral 9016, for example. This surface can for example be smooth and / or matt. Such a matt "white" for the lampshade can allow a very good optimal lighting effect.

The surface of the socket carrier may be powder-coated, and be held for example in the color Ral 7024. This surface can for example be smooth and / or matt.

reference numeral

1

Lampshade device

2

lamp

3

Lamp Kit

10

lampshade

12

locking device

14

first end area

16

head Start

18

second end area

20

recess

22

Crosspiece of 16

24

Longitudinal piece of 16

26

Tab, leg

28

circumferentially

30

lamp Base

32

slit-shaped breakthrough

34

radial direction

40

Stiffening part, holding part

42

Arm, lug of 40

44

radially outlying area of 42

46

Paragraph 42

48

radially outward of 46 located area of 42

50

Breakthrough in 40

52

annular section of 42

60

central longitudinal axis

62

Circumferential direction of 10

64

the lamp body,

70

Lamp holder

72

Power cable

Claims (12)

Lampshade device having a longitudinal axis (60) and an elastically deformable lampshade (10) extending around said longitudinal axis (60)
marked by
locking means (12) for releasably locking different portions of the lampshade (10) together to hold the lampshade (10) in a form extending about the central longitudinal axis (60). Lampshade device according to Claim 1, characterized by a lamp stand (30) for supporting the lampshade (10) on a substrate, this lamp stand (30) being formed by a plurality of lamp legs (26) distributed circumferentially around the longitudinal axis (60), and wherein the lampshade (10) is integrally formed with the lamp legs (26) and that the lampshade assembly (1) further comprises a plurality of apertures (32) for respectively receiving an arm or tab (42) of a plurality of radially extending arms or tabs (42) having star-shaped stiffening part (40) is formed. Lampshade device according to the preamble of claim 1, in particular according to claim 1, characterized by a lamp stand (30) for the support of the lampshade (10) on a substrate, said lamp stand (30) of a plurality of circumferentially distributed about the longitudinal axis (60) arranged lamp legs (26) is formed, and wherein the lampshade (10) with the lamp legs (26) is integrally formed. Lampshade device according to one of claims 1 to 3, characterized in that the lampshade (10) is formed integrally with the locking device (12). Lampshade device according to one of claims 1 to 4, characterized in that the lampshade (10), the locking device (12) and the lamp legs (26) are made of spring steel. Lampshade device according to one of claims 1 to 5, characterized in that the lampshade (10), the locking device (12) and the lamp legs (26) are formed by a metal sheet. Lampshade device according to one of the preceding claims 1 to 5, characterized in that the lampshade (10) is powder-coated. A lamp comprising a lampshade (10) according to any one of the preceding claims and having a stiffening member (40) disposed radially inside the lampshade (10) and supported on the lampshade (10). A lamp according to claim 8, wherein the lampshade device is formed according to any of claims 2 to 7, wherein the stiffening member (40) is configured as a star-shaped stiffener (40) having a plurality of radially extending arms or tabs (42) Stiffening part (40) at its radial arms or tabs (42) outside end side with
Cross-sectional tapers is provided, which are inserted through openings (32) provided in the lampshade (10), wherein a respectively adjacent to the tapered portions widened section with a larger cross-section radially inward on the lampshade (10) in the region of the openings ( 10) supports adjacent areas of the lampshade. Lamp according to one of claims 8 and 9, characterized in that the stiffening part (40) carries a lighting means. A lamp kit for the creation of a lamp (2) according to any one of claims 8 to 10, comprising a lampshade device (1) according to any one of claims 1 to 7 and a stiffening part (40), wherein the lampshade device (1) is flat and in a form forming the lampshade (10) can be brought, in which the lampshade (10) carries the stiffening part (40). Lamp kit according to claim 11, characterized in that the lamp (2) from the lamp kit (3) is mounted without tools.

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