EP3288421B1 - Furniture item with a drawer - Google Patents

Description

The present invention relates to a piece of furniture according to the preamble of claim 1.

The EP 2 440 088 A1 discloses a pull-out guide for drawers, in which an adjusting device is provided, which has a holding pin which can be inserted into a bore. A bearing part is adjustably arranged within the retaining pin to make an alignment of the drawer can. In such a pull-out is disadvantageous that the adjustment is relatively limited by the arrangement of the bearing part within the retaining pin. In addition, the adjustment requires a certain amount of practice for the fitter. At higher lateral forces may lead to a loosening of the adjustment.

The WO2014 / 180988 A1 discloses a pull-out guide for drawers, in which an adjusting device is provided and has a retaining pin, wherein the retaining pin engages in a device which is mounted on the rear wall of the drawer. The disadvantage here is that additional installation work is required for the fitter, since a part of the fastening system must be attached to the drawer.

The EP 2 786 675 A2 discloses a positioning device for a drawer, in which a base body is connected to a spreader pin having an expansion dowel for fixing to a drawer.

Also from the EP 688 520 A2 an expansion dowel for fixing a rear wall of a drawer to a holding device is known.

It is therefore an object of the present invention to provide a piece of furniture with a pull-out for a drawer, which ensures a secure fixation of the drawer to the fixture, with no additional installation work by a fitter is required.

This object is achieved with a piece of furniture with the features of claim 1.

The furniture according to the invention comprises a pull-out guide and a holding device with a projection which can be inserted into a receptacle on the drawer is, wherein the projection is variable via a spreading mechanism in the mold. As a result, the projection can be widened within the receptacle in order to be inserted substantially accurately into the receptacle. This reduces the lateral play and can also ensure that even with higher lateral forces a stable attachment of the drawer is present at the projection. Since the holding device comprises both the spreading mechanism and the projection, eliminating further elements that must be mounted on the drawer.

Preferably, the projection comprises at least two relatively movable parts. The parts may be slidably or pivotally mounted to each other or be integrally formed on a component and then bent relative to each other. In any case, a movement of the two parts relative to one another can be achieved via the spreading mechanism.

In a further embodiment, the projection on the spreading mechanism is clamped to the receptacle of the drawer. By such an attachment, the drawer can be performed very precise position, which can reduce the gap dimensions to an adjacent cabinet wall or to an adjacent drawer, so that a visually appealing arrangement of the front panel can be obtained without large joints.

Preferably, the spreading mechanism has a slide movable perpendicular to the spreading direction. As a result, the spreading of the projection can be done smoothly. Furthermore, the holding device may have a device for adjusting the height of the slider, so that the inclination of the front panel can be adjusted. In addition, together with the height adjustment of the slider, a support for the drawer can be adjusted, so that the distance between the support and the slider remains substantially the same despite height adjustment. Additionally or alternatively, the holding device may also have a device for lateral adjustment of the slider. As a result, a lateral alignment of the drawer can be made.

For ease of assembly, the projection is biased toward the drawer via a spring. During assembly, the drawer can then be moved to the projection, so that it is inserted into the receptacle. During assembly, the spreading mechanism is activated at the same time in order to position the projection securely within the receptacle. The Projection can be initially stored with game on a guide and is then positioned exactly over the spreading mechanism. The spreading mechanism may comprise a slider, which tapers in a wedge shape with a portion to the projection.

Figur 1

eine perspektivische Ansicht einer Rückseite eines Schubkastens an einer erfindungsgemäßen Ausziehführung;

Figur 2

eine Ansicht des Schubkastens der Figur 1 in der montierten Position;

Figur 3

eine perspektivische Explosionsdarstellung einer Ausziehführung mit einer Haltevorrichtung zur Fixierung eines Schubkastens;

Figur 4

eine Seitenansicht der Haltevorrichtung der Figur 3;

Figur 5

eine Draufsicht auf die Haltevorrichtung der Figur 4;

Figuren 6A bis 6C

mehrere Ansichten der Haltevorrichtung bei der Montage eines Schubkastens, und

Figuren 7A bis 7C

drei schematische Ansichten des Vorsprunges bei der Montage des Schubkastens.

The invention will be explained in more detail below with reference to an embodiment with reference to the accompanying drawings. Show it:

FIG. 1

a perspective view of a rear side of a drawer on a pull-out guide according to the invention;

FIG. 2

a view of the drawer of the FIG. 1 in the assembled position;

FIG. 3

an exploded perspective view of a pull-out with a holding device for fixing a drawer;

FIG. 4

a side view of the holding device of FIG. 3 ;

FIG. 5

a plan view of the holding device of FIG. 4 ;

FIGS. 6A to 6C

several views of the holding device in the assembly of a drawer, and

FIGS. 7A to 7C

three schematic views of the projection in the assembly of the drawer.

An extension guide 1 comprises a movably mounted running rail 2, which is movable relative to a guide rail, which is fixed to a furniture body. Between the guide rail and the running rail 2, one or more middle rails may optionally be provided. On the running rail 2, a drawer 3 is held, which has a receptacle 4 in the form of a circular bore on a rear wall. For exact positioning of the drawer 3 in the rear region of the pull-out guide 1, a projection 5 engages in the receptacle 4. The projection 5 can be changed via a slider 6 in the form that forms part of a spreading mechanism. The positioning of the slider 6 can be via a device for lateral adjustment 7 and a height adjustment device 8 are changed, as shown schematically the two double arrows. The slider 6 is substantially smaller than the receptacle 4 and on all sides spaced from the walls of the receptacle 4, so that the height position of the drawer 6, the height position of the drawer is not affected. The projection 5 acts here independent of height adjustment of the slider 6 and does not move with a change in height of the slider 6. In FIG. 1 the drawer 3 is shown just before the mounted position, while in FIG. 2 the rear wall of the drawer 3 bears against the holding device and the projection has been widened by the spreading mechanism.

The holding device for fixing the drawer 3 is in detail in FIG. 3 shown. On the running rail 2, a housing 9 is fixed with a guide 10, for example, welded to guide the projection 5. The projection 5 comprises a strip-shaped portion 53 which is slidably held on the guide 10, wherein the projection 5 extends at an upwardly facing portion. The projection 5 is formed in two parts and comprises a first part 50 and a second part 51, between which a wedge-shaped gap 52 is arranged. The parts 50 and 51 are integrally formed with the portion 53 and movable relative to each other by bending or elastic springs. The portion 53 and the projection 5 may be made of metal or plastic. At the portion 53, a projection 54 is further provided, on which an end 12 of a spring 11 is fixable. The spring 11 is fixed at the opposite end 13 to a receptacle 14 of the housing 9. As a result, the projection 5 is biased toward the housing 9, and thus also in the direction of the rear wall of the drawer 3.

The holding device is fixed to the running rail 2 via a holder 30, which is fixed to an upper side of the running rail 2, for example by welding. The holder 30 extends substantially U-shaped upwards and has a vertical wall portion 31, on which a body 84 is slidably held. The body 84 has a vertically aligned internal thread 83 which is provided with a threaded bolt 82 of the height adjustment device 8. The threaded bolt 82 is rotatably connected to a knurled nut 81, so that by rotating the knurled nut 81 of the body 84 along the holder 30 can be moved in the vertical direction. On the holder 84, two openings 85 are further provided, which are connected to fastening bolts 86 which pass through the openings 24 of an adjusting element 20. As a result, the body 84 and the adjusting element 20 form a height-adjustable unit. On the adjusting element 20 support webs 23 are formed, which can be placed on an upper side of the body 84.

The adjusting element 20 has on an underside two web-shaped supports 25 which bear against a bottom 26 of the drawer 3, as shown in the FIGS. 1 and 2 is shown. By adjusting the body 84 and the adjusting element 20 in height thus the drawer 3 can be raised or lowered at the back. A support 25 additionally has a curved section 27 shaped in the direction of the section 53. During assembly of the drawer, the section 53 slides along the curve section 27 and thus pulls the projection 5 in the direction of the supports 25. The projection 5 engages at least partially engages in the receptacle 4 before the drawer 3 rests on the support 25. Since the projection 5 is in the pushed state of the drawer inside the receptacle 4, the drawer 2 is stretched by the projection 5 against the height-adjustable support 25. In the mounted state, the drawer is thus secured in a positionally accurate manner against a tilting movement.

On the adjusting element 20, two vertically aligned webs 21 are further provided, each having an opening 22. The two openings 22 are penetrated by a threaded bolt 71, on which a knurled nut 70 is arranged. The knurled nut 70 is rotatably mounted on the threaded bolt 71, but held axially immovable between the two webs 21. By turning the knurled nut 70, a holding element 60 can thus be moved laterally, on which the slide 6 is formed. The slider 6 extends in a wedge shape toward the projection 5 and forms part of a spreading mechanism. The device for lateral adjustment 7 is thus held on the device for height adjustment 8, so that the slider can be adjusted both laterally and in height.

In FIG. 4 the holding device is shown in the assembled state. It can be seen that the wedge-shaped slide 6 is arranged behind the projection 5. The projection 5 can be moved against the force of the spring 11 to the slider 6.

In the plan view of FIG. 5 It can be seen that the holding device is a compact unit which is mounted on the end side of the running rail 2 and extends upwardly therefrom. Only the slider 6, the projection 5 and the adjusting element 20 protrude from the holding device to the front.

The assembly of a drawer 3 begins with the placement of the drawer on the track rail 2, as in FIG. 6A is shown. The drawer 3 is positioned so that the projection 5 can engage with the tapered parts 50 and 51 in the receptacle 4, which may be formed as a cylindrical blind hole. But other forms of recording 4 are possible.

In the next step, the drawer 3 is moved backwards, so that the projection 5 engages with the parts 50 and 51 in the receptacle 4. Since the projection 5 is pressed against the wedge-shaped slider 6, the parts 50 and 51 spread while the drawer 3 is moved rearwardly, as shown in FIG FIG. 6B is shown.

In FIG. 6C the final mounting position of the drawer is shown, in which the rear wall rests against the adjusting element 20. The projection with the parts 50 and 51 has been moved against the force of the spring 11 to the rear, and the wedge-shaped slide 6 has moved the parts 50 and 51 so far apart that they rest in a clamping or positive fit within the receptacle 4.

The position of the parts 50 and 51 in the region of the rear plane of the drawer 3 on the receptacle 4 is in the FIGS. 7A to 7C shown. The cross-sectional web-shaped parts 50 and 51 are close to each other before assembly and are not on the edge of the receptacle 4 on. When inserting the drawer, the slide 6 ensures an expansion of the parts 50 and 51, which are moved outwardly, as in FIG. 7B is shown. In the mounting position, the parts 50 and 51 have been spread in the region of the rear plane of the drawer so far by the slider 6 that they rest with their edges on the wall of the receptacle 4, so that the drawer 3 is clamped to the projection 5 which is positioned by the slider 6.

When disassembling the drawer 3, the image order 7C to 7A is to be considered. In FIG. 7C are the parts 50 and 51 spread in the rear area by the slider 6, since they rest with their edges on the wall of the receptacle When disassembling the slide 6 is moved out of the parts 50 and 51 and thus allows the parts 50 and 51 to be released from the side walls of the receptacle 4 by the spring return. FIG. 7B shows an intermediate position of the parts 50 and 51, wherein these are closer together in position and release the receptacle 4. In the FIG. 7A the spreading device is back in the starting position and the drawer 3 can be removed. The projection 5 remains on the holding device or on the spreading mechanism.

If the drawer is to be positioned slightly higher back, the fitter can pull the drawer back from the projection 5 and then adjust the adjusting element 20 with the supports 25 and the slider 6 up or down if necessary via the device for height adjustment 8, wherein the Height adjustment of the drawer is made only by means of the supports 25 of the adjusting element 20. After the adjustment, the drawer can be pushed back, and the distance between the bottom 26 and the receptacle 4 is just as unchanged as the vertical distance between the support 25 and the slider. 6

In a similar manner, a lateral adjustment can take place by the device for adjusting the side 7 of the slider 6 is actuated after the removal of the drawer 3. This can be adjusted in the horizontal direction perpendicular to the longitudinal direction of the running rail 2, wherein the slider 6 specifies the exact position of the projection 5 in the mounted position. The projection 5 itself is held with play on the guide 10, so that the positioning of the slide 6 ensures an exact alignment of the drawer 3.

In the illustrated embodiment, the slider 6 is wedge-shaped and engages in the gap between the parts 50 and 51 of the projection 5 in order to spread this. Of course, other expansion mechanisms are possible to ensure a clamping down a projection within the receptacle 4.

LIST OF REFERENCE NUMBERS

1

pull-out

2

runner

3

drawer

4

admission

5

head Start

6

pusher

7

Device for lateral adjustment

8th

Device for height adjustment

9

casing

10

guide

11

feather

12

The End

13

The End

14

admission

20

adjustment

21

web

22

opening

23

supporting webs

24

opening

25

edition

26

bottom

27

curve section

30

holder

31

wall section

50

part

51

part

52

gap

53

section

54

head Start

60

retaining element

70

knurled nut

71

threaded bolt

81

knurled nut

82

threaded bolt

83

inner thread

84

body

85

opening

86

mounting bolts

Claims (14)

1. A piece of furniture comprising a drawer (3), said drawer being fixed displaceably at a pullout guide of the piece of furniture, whereby the pullout guide comprises a guide rail fixable on a furniture body and a movable slide rail (2), wherein at least one middle rail can optionally be provided between the guide rail and the slide rail (2), and a holding device is provided on the slide rail (2), by means of which the drawer (3) is fixable on the slide rail (2), and the holding device comprises a projection (5), which is insertable into a receptacle (4) on the drawer (3), whereby the projection (5) is changeable in shape via a spreading mechanism, characterized in that the projection (5) is pre-tensioned via a force accumulator (11) toward the drawer (3).
2. The piece of furniture according to Claim 1, characterized in that the projection (5) comprises at least two parts (50, 51) movable in relation to one another.
3. The piece of furniture according to Claim 1 or 2, characterized in that the projection (5) is fixable by clamping on the receptacle (4) of the drawer (3) via the spreading mechanism.
4. The piece of furniture according to any one of the preceding claims, characterized in that the spreading mechanism has a slide (6) movable perpendicularly in relation to the spreading direction.
5. The piece of furniture according to Claim 4, characterized in that the holding device has a unit for vertical adjustment (8) of the slide (6).
6. The piece of furniture according to Claim 5, characterized in that the slide (6) is adjustable together with a support (25) for the drawer (3) via the unit for vertical adjustment (8).
7. The piece of furniture according to any one of Claims 4 to 6, characterized in that the holding device has a unit for lateral adjustment (7) of the slide (6).
8. The piece of furniture according to any one of the preceding claims, characterized in that the projection (5) is mounted with play on a guide (10).
9. The piece of furniture according to any one of the preceding claims, characterized in that the spreading mechanism comprises a slide (6), which tapers on a section in a wedge shape toward the projection (5).
10. The piece of furniture according to any one of the preceding claims, characterized in that the holding device has an adjustment element (20) for vertical adjustment of the drawer (3).
11. The piece of furniture according to Claim 10, characterized in that the projection (5) presses the drawer (3) against the adjustment element (20) for vertical adjustment.
12. The piece of furniture according to Claim 10, characterized in that the adjustment element (20) has at least one support (25) for the drawer (3).
13. The piece of furniture according to Claims 11 and 12, characterized in that the at least one support (25) has a curve section (27) to clamp the projection (5) on the receptacle (4) of the drawer.
14. The piece of furniture according to Claim 12, characterized in that the projection (5) at least partially engages in the receptacle (4) before the drawer (3) rests on the support (25).

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