EP1881774B1 - Domestic appliance comprising a telescopic pull-out - Google Patents

Description

The present invention relates to a cabinet-like household appliance, in particular a refrigerator or freezer, the housing having an interior in which a carrier with the aid of a telescopic extension between an inserted and an extended stop position is displaceable. Such a carrier may be in a refrigerator z. B. have the form of an excerpt box or a drawer or a storage tray. Such a telescopic extension generally comprises a first and at least one second rail, which are longitudinally displaceable against each other, wherein between the rails rollers or balls may be provided to reduce the friction and to allow withdrawal or insertion of the carrier with little effort.

If such a telescopic extension comprises only two rails, its maximum freedom of movement between the inserted and extended stop position is significantly smaller than the length of the rails. Namely, the shorter the intersection between the rails, the larger the given torques of the carrier, the torques occurring between the rails. In order to ensure a precise, secure guidance even at low overlap, therefore, a very high mechanical strength of the rails and thus a costly high material thickness is required. However, this limitation of freedom of movement means that a carrier held by a telescopic extension with two rails can never be completely pulled out of the refrigeration device. Good, which is located on a rear area of the carrier is therefore difficult to access.

To solve this problem, telescopic extensions have been proposed with three interleaved rails, which are coupled to each other so that the distance traveled by the middle rail is always half as large as that of the rail to which the carrier is attached. Thus, even if the carrier has been extended by a whole rail length, there is an overlap of half a rail length between the middle rail and the other two. A stable, precise guidance of the carrier can be ensured.

As a result of the increased costs associated with the increased number of such a telescopic extension such extracts are used primarily in refrigerators in the upper price segment. In these refrigerators, so-called self-closing devices are popular, d. H. Mechanisms that detect the telescopic extension shortly before reaching the inserted stop position and automatically pull into this stop position. Such Selbsteinzugvorrichtungen are generally hidden in a space between the rails of the telescopic extension. Such a self-retracting device is therefore generally specific to the type of telescopic extension to which it is used. A Selbsteinzugvorrichtung designed for a trip with three rails is not readily usable on a statement with two rails and vice versa, so that the self-closing devices or the telescopic extensions in which they are used, must be made in relatively small and therefore expensive series.

US 2004/0056573 A1 (D4) discloses an example of a household appliance with Selbsteinzugvorrichtung.

It is an object of the present invention to provide a household appliance which eliminates this specificity and makes it possible to use inexpensive self-feed devices of the same type manufactured in large series in a variety of models of household appliances.

The object is achieved by a cabinet-like household appliance whose housing has an interior in which a carrier with the aid of a telescopic extension between an inserted and an extended stop position is displaceable, wherein the telescopic extension attached to the housing first rail and at least one second, against the first rail comprises movable rail, and wherein a Selbsteinzugvorrichtung is mounted on the housing spaced from the rails and coupled to a projection of the second rail. The local separation of the self-retracting device from the rail allows the latter to be constructed without regard to the shape of the rail, so that the same type of self-retraction can, in principle, co-operate with any telescopic extension having the projection required for the coupling. Since the only necessary invention-specific adaptation to a telescopic extension of the projection of the second rail, any conventional telescopic extension can be made useful with little effort for the invention; Since the cost of the projection is negligible, it is also conceivable to use uniform telescopic extensions with the projection in different Appliance models, regardless of whether the telescopic extensions there is also associated with a self-closing device or not.

Such a self-closing device can be combined with a simple telescopic extension with only two mutually movable rails, with a telescopic extension with intermediate rail, as described above, or with a telescopic extension, which in addition to each other firmly connected third and fourth rails, wherein the third rail to the first is movably guided and the fourth rail leads the second. Although a telescopic extension of this latter type requires more items in order to achieve the same freedom of movement as an excerpt with an intermediate rail, but he has the advantage that it is particularly simple and inexpensive by simply combining two simple statements ä per two rails feasible.

In order to use all these different types of telescopic extensions in different models of models at the discretion of the manufacturer with or without Selbsteinzugvorrichtung unchanged, the coupling to the self-closing projection is preferably not formed directly on the second rail, but on an adapter mounted on this. A telescopic extension that is not equipped with Selbsteinzugvorrichtung can then be easily provided with another, not having the projection adapter.

The self-retracting device preferably includes a pivoting jaw, in which the projection engages in the retracted position and out of which it is disengaged in the extended position and which occupies one of two stable positions when the telescopic extension is in the retracted position and the other occupies when the telescopic extension is in the extended position.

In order to ensure a simple and reliable coupling between the projection and the claw, the projection preferably has a pin with a longitudinal axis parallel to the pivot axis of the claw, which interacts with the claw.

In order to realize the two stable positions of the claw, it is advantageous to use a tension spring which has a fixed first engagement point with respect to the housing and a second engagement point on the claw, wherein the pivot axis of the claw imaginary triangle crossed by the first point of attack, the second point in the first position of the claw and the second point in the second position of the claw is stretched.

In order to achieve a compact design of the self-closing and to be able to keep the distance between it and the telescopic extension low, it is advantageous if the pivot axis of the claw is movable transversely to the direction of movement of the second rail.

Fig. 1

eine perspektivische Ansicht eines Kältegeräts;

Fig. 2

eine perspektivische Ansicht von zwei Kühlgutträgern des Kältegeräts aus Fig. 1;

Fig. 3

eine perspektivische Ansicht eines linken Teleskopauszugs des unteren Kühlgutträgers;

Fig. 4

jeweils Fragmente einer Teleskopauszugschiene und eines Adapters, die die Befestigung des Adapters an der Schiene veranschaulichen;

Fig. 5

den Teleskopauszug aus Fig. 3 mit darauf montiertem Trägerteil;

Fig. 6

einen Schnitt durch den Teleskopauszug der Fig. 3 und 5 und dessen Umgebung in Höhe eines Adapters;

Fig. 7

eine perspektivische Ansicht eines kombinierten Teleskopauszugs für den oberen Kühlgutträger aus Fig. 2;

Fig. 8

den kombinierten Teleskopauszug aus Fig. 7 mit daran montiertem Trägerteil, gesehen von dessen der Seitenwand des Korpus zugekehrten Seite her;

Fig. 9

eine perspektivische Ansicht des kombinierten Teleskopauszugs und des Trägerteils, gesehen vom Kühlraum des Kältegeräts her;

Fig. 10

einen Schnitt analog zu Fig. 5 durch den kombinierten Teleskopauszug und dessen Umgebung in Höhe eines Adapters;

Fig. 11

eine perspektivische Ansicht der Seitenwand des Innenbehälters des Kältegeräts mit daran montiertem kombinierten Teleskopauszug und einer mit diesem wechselwirkenden Selbsteinzugvorrichtung;

Fig. 12

die gleiche perspektivische Ansicht wie Fig. 11, allerdings mit weggelassenem Gehäuse des Selbsteinzugmechanismus;

Fig. 13

eine Draufsicht auf den Selbsteinzugmechanismus mit geschnitten dargestelltem Rahmen in einer der eingeschobenen Anschlagstellung des Kühlgutträgers entsprechenden stabilen Stellung;

Fig. 14

eine Draufsicht auf den Selbsteinzugmechanismus in einer instabilen Zwischenstellung;

Fig. 15

eine Draufsicht auf den Selbsteinzugmechanismus in einer dem ausgezogenen Zustand des Kühlgutträgers entsprechenden zweiten stabilen Stellung.

Further features and advantages of the invention will become apparent from the following description of embodiments with reference to the accompanying figures. Show it:

Fig. 1

a perspective view of a refrigerator;

Fig. 2

a perspective view of two refrigerated goods carriers of the refrigerator Fig. 1 ;

Fig. 3

a perspective view of a left telescopic extension of the lower refrigerated goods carrier;

Fig. 4

fragments of a telescopic extension rail and an adapter, respectively, illustrating the attachment of the adapter to the rail;

Fig. 5

the telescopic extension Fig. 3 with mounted on it carrier part;

Fig. 6

a section through the telescopic extension of FIGS. 3 and 5 and its surroundings in the amount of an adapter;

Fig. 7

a perspective view of a combined telescopic extension for the upper refrigerated goods from Fig. 2 ;

Fig. 8

the combined telescopic extension Fig. 7 with carrier part mounted thereon, seen from its side facing the side wall of the body side;

Fig. 9

a perspective view of the combined telescopic extension and the support member, seen from the refrigerator of the refrigerator forth;

Fig. 10

a section analogous to Fig. 5 by the combined telescopic extension and its surroundings in the amount of an adapter;

Fig. 11

a perspective view of the side wall of the inner container of the refrigerator with mounted thereon combined telescopic extension and interacting with this Selbsteinzugvorrichtung;

Fig. 12

the same perspective view as Fig. 11 but with the housing of the self-closing mechanism omitted;

Fig. 13

a plan view of the Selbsteinzugmechanismus with cut Pictured frame in one of the inserted stop position of the refrigerated goods corresponding stable position;

Fig. 14

a plan view of the Selbsteinzugmechanismus in an unstable intermediate position;

Fig. 15

a plan view of the Selbsteinzugmechanismus in a solid state of the Kühlgutträgers corresponding second stable position.

Fig. 1 shows a perspective view of a refrigerator with a body 1 and a door 2. In a refrigerator 3 inside the device are two refrigerated goods 4, 5 in the form of pull-out boxes exemplified. The pull-out boxes 4, 5 are held displaceable in the figure not visible, suspended on the side walls of the body 1 telescopic extensions. The upper drawer 4 has a smaller depth than the lower 5, to leave room for a door lock 2 attached to the door 2.

In the upper area of the cooling space 3, which is left empty in the figure, further refrigerated goods shelves, as required in the form of further pull-out boxes or in the form of stationary or displaceable plates, can be mounted.

Fig. 2 shows the two pull-out boxes 4, 5 in a perspective view from its rear side. The pull-out boxes 4, 5 each comprise a basket formed of perforated sheet metal, the front side of which facing the door being faced with a plastic shield 7. This shield 7 extends in the upper drawer 4 over its entire height, the lower box 5 only over part of the height, so that between the shield 7 and the overlying box 4, a penetration opening is formed, as in Fig. 1 to recognize that allows access to the contents of the box 5, without this is pulled out.

The side walls of the baskets each have vertical upper and lower wall portions 8 and 9 and between these inclined shoulders 10 which extend towards each other towards the bottom. At the shoulders 10 each injection molded plastic injection-molded part 11 is fixed, which in the Fig. 4 . 8 and 9 can be seen in more detail. The support members 11 in turn are supported via adapters on telescopic extensions 12 and 13 respectively.

The telescopic extensions 13, on which the lower pull-out box 5 is supported, each have a pair of interlocking rails. The freedom of movement of these rails against each other is between 50 and 80% of their length; Here it is equal to the depth of the overlying pull-out box 4, so that the drawer 5 is pulled out in its fully extended position to the stop completely under the overlying box 4 and freely accessible on its entire top.

Fig. 3 shows a perspective view of one of the telescopic extensions 13 of the lower drawer 5, namely the left drawer 13 from the perspective of a viewer in the refrigerator 3 viewer. The drawer comprises two rails bent from sheet steel, an outer rail 14 of approximately C-shaped cross-section and an inner rail 15 engaging the cavity of the outer rail 14. Opposite legs of the rails 14, 15 define two cylindrical channels 16 in which in each case a plurality of balls, not visible in the figure, are accommodated, which guide the rails 14, 15 with little play and are easy to move relative to one another. A bolt 17 is from the front end of the outer rail 14 in the space between the rails 14, 15 in from. Its contact with a mounted on the inner rail 15, in the figure just visible rubber buffer 18 defines a limit to the freedom of movement of the rails 14, 15 against each other.

A front adapter 19 and a rear plastic adapter 20 are attached to the outer rail 14. The adapters 19, 20 each have an approximately prism-shaped base body 21, to which a horizontal web 22 resting on the upper leg of the rail 14 is integrally formed on its upper side.

From the top of the main body 21 is respectively a locking element 23 and 24 from. The locking element 23 of the front adapter 19 has in section approximately the shape of the letter T, wherein at the ends of the crossbar of the T two down and initially apart, then again towards each other extending elastic leg 25 are formed. The latching element 24 of the rear adapter 20 is a rigid pin which has a forwardly directed nose 26 at its upper end.

The main body 21 of the rear adapter 20 has a downwardly directed projection 59 from which extends a horizontally oriented pin 60 in the direction of (not shown in the figure) side wall of an inner container of the refrigerator, to which the inner rail 15 is attached ,

Fig. 4 is intended to illustrate the anchoring of the adapters 19, 20 on the rail 14. Shown are each separated from each other a fragment 27 of the rail 14 and a side facing this adapter 19 or 20, wherein the type of anchoring in both adapters 19, 20 is the same. The fragment 27 facing wall 28 of the adapter carries four rigid latching hooks 29 and a by a U-shaped or V-shaped slot from the wall 28 cut free elastic tongue 30, from the top of a wedge 31 protrudes. These are a round hole 32 and four square holes 33 of the rail 14 opposite, the latter each in the form of a rectangle, which is extended at its lower edge by a short slot. To anchor the adapter 19 or 20 to the rail 14, the latching hooks 29 are inserted into the angular holes 33, and at the same time, first the tongue 30, the wedge 31 abuts against the closed wall of the rail 14, in the hollow body of the Adapters pushed back into it. If the Latch hooks 29 are completely pushed through the holes 33 and the wall 28 of the adapter abuts the rail 14, the adapter can be moved down so that the shanks of the latch hooks 29 engage in the slots of the holes 33 and the web 22 on the upper Leg of the rail 14 comes to rest. The wedge 31 hits the round hole 32 and snaps into it. If this is done, the adapter can only be solved by the rail 14 by first with a tool, the wedge 31 pushed out of the hole 32 and then the adapter is raised.

Fig. 5 again shows a perspective view of the telescopic extension 13 Fig. 3 The carrier part 11 comprises an elongate base plate 34 which is supported on the upper sides of the adapters 19, 20. At a front end of the base plate 34, a rectangular hole 35 is formed through which the locking element 23 of the adapter 19 is inserted therethrough. The downward toward each other running portions of the elastic legs 25 of the locking element 23 press against the front and rear edge of the hole 35 and thus keep the base plate 34 against play against the adapter 19. The pin 24 of the rear adapter 20 engages in a rearwardly open slot 36 of the base plate 34 a.

At both ends of the base plate 34, above the hole 35 and the slot 36, an abutment for the basket of the pull-out box 5 is formed in each case. The abutment comprises in each case an inclined plate 37, which is connected at its lower edge to a basket-facing edge of the base plate 34, and which combines at its upper edge with two emanating from the base plate 34 vertical struts 38 to a U-profile section 39 , In the middle of the plate 37 is a shallow recess 40 and in its center, in turn, a bore 41 is formed, which is flared toward the back of the plate 37 to a hexagonal cross-section.

Fig. 6 shows a section through the telescopic extension and its surroundings in height of the adapter 19. As this section shows, the bore 41 of the plate 37 serves to her by means of a screw 42 and a form-fitting in the hexagonal expansion of the bore nut 43 received the shoulder 10 of the basket to attach. An unlatched from the upper portion 8 of the basket side wall tab 44 is supported on the upper edge of the U-profile section 39 from.

In the section, the already mentioned balls 45 can be seen, which, in each case led to several in a cage 46, are mounted in the channels 16 between the rails 14, 15.

Furthermore, it can be seen that there is a gap 47 between the outer rail 14 and the lower wall section 9 of the basket opposing this, which space is partially filled by the hollow basic body 21 of the adapters 19 and 20. The width of this gap 47 is greater than that of the telescopic extension 13, so that it is possible, if necessary, to accommodate a second telescopic extension, without having to change the dimensions of the pull-out box 5.

In Fig. 2 it can be seen that such an arrangement of two coupled telescopic extensions is provided on each side of the upper pull-out box 4. These coupled telescopic extensions give the drawer 4 a freedom of movement that is greater than its depth, so that it can be pulled out completely under an above, not shown refrigerated goods of the same depth.

A perspective view of two telescopic extensions 48, 49 connected in series on the right side of the pull-out box 4 from the perspective of the user standing in front of the refrigerator compartment 3 is shown in FIG Fig. 7 shown. The construction of the telescopic extensions 48, 49 with an inner rail 50 and 52 and an outer rail 51 and 53, which are guided by means of balls 45 against each other movable, is the same as in the telescopic extension 13 and therefore need not be explained again become. The rails 51, 52 are through in Fig. 10 shown rivets 58 rigidly connected to each other, of which one or the other can serve as a stop for limiting the freedom of movement of the extracts 48, 49 at the same time.

Front and rear adapters 54 and 55 are on the rail 53 in an analogous manner, as above with reference to Fig. 4 described, clamped. Instead of a wide hollow base body as in the adapters 19, 20 here only a narrow, plate-shaped base body is provided, on the visible side of the elastic tongue 30 and the latching hooks 29 opposite recesses 57 can be seen. The latching elements 23, 24 carried by the adapters 54, 55 are the same as in the adapters 19, 20. Therefore, these adapters 54, 55, as in the Fig. 8, 9 See also, the same type of support part 11 can be mounted as already with respect to Fig. 5 explained.

Again, the respective rear adapter 55 is provided with a projecting over the undersides of the rails down projection 59 which carries a horizontally to the wall of the inner container oriented towards pin 60. On the function of the pin is later with reference to the Fig. 11 and following.

In the view of Fig. 8 showing the side of the body 1 facing side of the telescopic extensions 48, 49 and the support member 11, in particular the hexagonal widening of the holes 41 and the rear, to the rear wall of the body 1 out, open slot 36 in the base plate 34 of the support member 11 to recognize. The slot has edges diverging toward the rearward end of the base plate 34 to facilitate attachment of the slot to the latching element 24 of the rear adapter.

As in Fig. 10 can be seen by the additional telescopic extension 49 and the plate-like base body of the adapter 54, 55 of the space 47 side of the wall portion 9 of the basket practically filled. The position of the locking projections 23 and 24 is the same as in FIG. 4 with respect to the side wall of the body or the drawer 48 mounted directly thereon Fig. 6 shown so that identical support members 11 and baskets can be stored at will on a simple statement like 13 or a double extract as 48, 49.

Fig. 11 shows a perspective view of the side wall of the inner container of the refrigerator with the two mounted thereon, coupled to each other telescopic extensions 48, 49 and the rail 53 of the telescopic extension 49 clamped adapters 54, 55. The telescopic extensions 48, 49 are in an inserted stop position. The pin 60 of the rear adapter 55 engages between two fingers 79, 80 of a forked jaw 61 a. The claw 61 is part of a Selbsteinzugvorrichtung, which is largely hidden behind a fixed to the inner container wall housing 62 made of plastic.

Fig. 12 shows the Selbsteinzugvorrichtung without the housing 62. It can be seen a one-piece molded from a steel frame with two side plates 63, 64, in which each aligned with each other elongated holes 65 are formed. In the figure, only the slot 65 of the observer facing side plate 63 can be seen. The elongated holes 65 extend obliquely downward toward the front of the body and form a guide in which two cylindrical pins 66 projecting from the body of the claw 61 are held displaceably. A slot 67 runs parallel to the inner container wall through a large part of the body of the claw 61st

Fig. 13 shows the Selbsteinzugvorrichtung in a plan view of the inner container wall wall facing side, wherein the side plate 64 is omitted. As can be seen here, the claw 61 is formed as a two-armed lever, wherein an arm 68 carries the two fingers 60, 80 engaging around the pin 60 and the second arm 69 carries at its end a transverse bar 70, which with little play on the entire width of the gap between the two side plates 63, 64 extends, and abuts in the illustrated position on the underside of two angled from the upper edge of the side plate 63 and 64 narrow webs 71, which define a gap through which the arm 68 extends.

A coil spring 72 is stretched between a bolt 73 fixed to the side plates 63, 64 and a bolt 74 of the pawl 61 crossing the slot 67. It extends through the slot 67 so that it can not slide sideways from the bolt 74. The pulling force of the coil spring 72 holds the claw 61 in the illustrated position, in which the pins 66 are each located at the upper end of the elongated holes 65 and the crossbar 70 presses against the webs 71. When the in Fig. 13 concealed rail 53 is pulled out with a refrigerated goods carrier mounted thereon and the adapter 55 attached to it moves forward, the claw 61 is taken over the pin 60, as in Fig. 14 shown. By the pressure exerted by pin 60, the coil spring 72 is stretched, and the pins 66 travel in the slots 65 forward (to the left in the perspective of FIGS. 13, 14 . 15 By the combination of rotation and downward movement, the fingers 79, 80 of the jaw 61 remain substantially at the same height, so that the self-closing device can be mounted closely adjacent to the rails 50 to 53, without the claw 61 abuts the rails during their movement and is blocked by them.

When the rail 53 is further pulled out, the claw 61 finally reaches the in Fig. 15 shown stop position in which the fingers 79, 80 release the pin 60. In this position, the pins 66 of the claw 61 are pulled by the spring 72 back to the upper end of the elongated holes 65, and the crossbar 70 abuts a strut 75 which connects the lower edges of the side plates 63, 64 together. In Fig. 15 is a dash-dotted triangle drawn, the corners of each of the points of contact 76, 77, 79 of the coil spring 72 with the bolt 73, with the bolt 74 in the stable position of Fig. 13 and with the bolt 74 in the stable position of Fig. 15 are defined. As can be seen, the center of the pin 66 and thus the axis of rotation of the claw 61 within this triangle, closely adjacent to the contact points 76, 78 of the coil spring 72 in the position of Fig. 15 connecting edge. Therefore, when the rail 53 is retracted and its pin 60 engages the claw 61 and starts to take it, a small pivoting angle of the claw 61 is sufficient until the line connecting the contact points crosses the axis of rotation of the claw 61 and the claw 61 passes through the claw 61 Force of the coil spring 72 is further pivoted while the rail 53 takes up to its inserted stop position.

As can easily be seen, exactly the same type of self-closing device is also suitable for cooperating with the pin 60 on the adapter 21 of the telescopic extension 13. So it is the same self-closing device used both in the simple telescopic pull 13 and in the two simple separations 48, 49 combined extract. It will be readily understood that, assuming appropriate adjustment of the rear adapter's shape, the same auto-retracting device may also be used to cooperate with a telescopic extension with three intermeshing rails.

Claims (15)

1. Cupboard-type domestic appliance, the housing (1) of which comprises an interior (3) in which a support (4, 5) can be displaced by means of a telescopic pull-out (13; 48, 49) between a retracted and a pulled-out stop position, which comprises a first runner (15; 50) secured to the housing (1) and at least one second runner (14; 53) that is movable with respect to the first runner, characterised in that a projection (59) of the second runner (14; 52) is coupled to a self-retracting mechanism (61, 72) mounted on the housing (1), which is separated from the runners (14, 15; 50, 53).
2. Domestic appliance according to claim 1, characterised in that the self-retracting mechanism (61, 72) is arranged beneath the telescopic pull-out (13; 48, 49).
3. Domestic appliance according to claim 1 or 2, characterised in that the self-retracting mechanism comprises a swivelling claw (61) into which the projection (59) engages in the retracted position and from which it is released in the pulled-out position, and which assumes one of two stable positions when the telescopic pull-out (13; 48, 49) is in the retracted position and assumes the other when the telescopic pull-out (13; 48, 49) is in the pulled-out position.
4. Domestic appliance according to claim 3, characterised in that the projection (59) has a trunnion (60) with a longitudinal axis parallel to the swivel axis of the claw (61).
5. Domestic appliance according to claim 4, characterised in that the trunnion (60) has its free end directed away from the telescopic pull-out (13; 48, 49).
6. Domestic appliance according to claim 4 or 5, characterised in that the projection (59) is designed as a holding lug, onto which the trunnion (60) is formed as a single piece and the holding lug is fixed detachably at the rear part of the telescopic pull-out (13; 48, 49).
7. Domestic appliance according to one of claims 4 to 6, characterised in that the trunnion (60) is arranged on the holding lug beneath the telescopic pull-out (13; 48, 49).
8. Domestic appliance according to claim 1 to 7, characterised in that the self-retracting mechanism (61, 72) includes a tension spring (72) which has a fixed first contact point (76) with respect to the housing and a second contact point (77, 78) on the claw (61), and that the swivel axis of the claw (61) crosses a triangle defined by the first contact point (76) and the second contact point in the first position (77) and in the second position (78) of the claw (61).
9. Domestic appliance according to one of claims 2 to 8, characterised in that the swivel axis of the claw (61) is capable of moving at right angles to the direction of motion of the second runner (14; 53).
10. Domestic appliance according to one of claims 2 to 9, characterised in that the claw (61) has a slot (67) running at right angles to the swivel axis and that the tension spring (72) extends through the slot (67).
11. Domestic appliance according to one of claims 1 to 10, characterised in that the support (4; 5) is secured to the second runner (14; 53).
12. Domestic appliance according to one of claims 1 to 11, characterised in that the telescopic pull-out has an intermediate runner inserted between first and second runner.
13. Domestic appliance according to one of claims 1 to 11, characterised in that the telescopic pull-out (48, 49) comprises third and fourth runners (51, 52) permanently connected to one another, whereby the third runner (51) is guided with freedom of movement on the first (50) and the fourth runner (52) guides the second (53).
14. Domestic appliance according to one of claims 1 to 13, characterised in that the projection (60) is formed on an adapter (20, 55) mounted on the second runner (14; 53).
15. Domestic appliance according to claim 14, characterised in that an engagement element (24) is formed on the adapter (20, 55) for securing the support (4, 5).

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