EP2690367A1 - Covering - Google Patents

Abstract

The telescopic rail has rail element (1) that is fixed to household appliance for handling of household appliance. A tab (2) made of poor thermal conductive extends perpendicular to extension direction of rail element. A cover portion (10) is provided for covering an opening of tab, located towards appliance surface.

Description

The present invention relates to a telescopic rail having a first and at least one further rail element, wherein the first rail element in a state of the telescopic rail mounted in a household appliance can be pulled out of the household appliance and at its end facing the opening of the household appliance has a tab which is perpendicular to Extension direction of the telescopic rail extends.

Telescopic rails of the type mentioned are known in the art. They are used in various household appliances, including dishwashers, microwaves, ovens, Dampfgargeräten etc. In these devices such telescopic rails are used for holding and extending slots, for example, of food carriers, including baking trays and grates. For household appliances that are used to heat objects, especially food, usually the entire interior of the household appliance is heated. Usually, the telescopic rails mentioned above consist of a metal or a metal alloy, optionally with a coating, wherein the telescopic rail also heats up when heating the interior of the household appliance.

When using such telescopic rails in an oven, for example, a lying on a pair of telescopic rails baking tray using the telescopic rails can be moved completely or partially outside the oven. The baking sheet is easily removed in this state, it being necessary to move the extended rail elements of the telescopic rail back into the oven interior before closing the door of the oven. The also heated by the high temperatures within the furnace rail elements, including adjoining straps, which may also be made of a metal or a metal alloy, can lead to burn injuries to a user when pushing back the rail elements, especially if in this pushing back not a pot holder or similar heat protection is used.

Based on this prior art, the present invention seeks to provide a telescopic rail, the handling of which no risk of burns, or the risk of combustion is reduced.

This object is achieved in that the tab has at least on a facing the opening of the household appliance surface, a cover which consists of a material which is less thermally conductive than the material from which the tab consists.

By providing a tab on a first rail member of a telescopic rail with such a cover, the surface which is usually touched by a user of the household appliance for fully inserting the telescopic rail in the household appliance, completely or partially covered with a material that the risk of burns in Compared to a good heat conducting material such as metal or a metal alloy, from which usually consist of the rail elements and the tab of a telescopic rail, reduced. While such a material, while also in the household appliance during heating, is also heated, it prevents excessive transfer of heat to the skin. This effectively reduces the risk of combustion.

In addition, by the cover on the opening of the household appliance facing surface of a tab on a first rail member of a telescopic rail of the part of a telescopic rail, which protrudes when you pull the telescopic rail furthest out of the appliance to the outside, provided with a cover. This cover prevents when closing the oven door despite extended telescopic rail that the telescopic rail directly comes into contact with a door of the household appliance. As a result, in addition to the effect described above, damage to the door of the household appliance can be prevented by the telescopic rail.

In addition, by such a cover, an area of the tab on a telescopic rail, which is in the user's field of view when using the household appliance, at least partially covered. As a result, discoloration, which occurs in telescopic rails and tabs on telescopic rails when heated to higher temperatures, at least partially obscured and improves the visual impression.

In one embodiment, the cover completely covers the surface of the tab facing the opening of the household appliance. This ensures a particularly effective protection against burns. In another embodiment, the cover covers the opening the appliance pointing surface of the tab partially. As a result, on the one hand material of the cover is saved and on the other hand, the application of the cover can be facilitated on the tab.

A cover according to the invention can be applied by different configurations on the tab of the first rail element of the telescopic rail. In certain embodiments, this is done by a special embodiment of the cover, wherein the cover has portions which engage behind the tab at least in sections. Such sections are also referred to as undercuts. These undercuts may on the one hand be guided around an outer edge of the tab or on the other hand passed through located in the tab openings or openings.

In one embodiment, the cover is adhesively bonded to the tab. In one embodiment, the cover is produced by injection molding, wherein the tab is injection-molded directly during the production of the cover by injection molding. Such an embodiment provides a particularly stable connection of cover and tab. In one embodiment, the cover is made of a material which is in a liquid form and is given its final shape by curing. In such an embodiment, a connection of cover and tab can be effected by immersing the tab in the still liquid material. This embodiment also provides a particularly stable connection of tab and cover.

In one embodiment, the cover has a thermal conductivity of less than 5 W / (m * K), preferably less than 3 W / (m * K), more preferably less than 1 W / (m * K). The usually consisting of metal or a metal alloy rail elements and the associated or integrally molded tab generally have a coefficient of thermal conductivity of about 40 W / (m * K) to 100 W / (m * K) or even significantly higher. For example, pure iron has a thermal conductivity of about 80 W / (m * K) and aluminum has a thermal conductivity of about 236 W / (m * K). The information on thermal conductivity given here is valid for a temperature of 0 ° C and represents a substance constant.

Covering materials having such thermal conductivities as mentioned above are known to those skilled in the art. These include various plastics, including silicone and polyetheretherketone (PEEK). Particularly preferred materials have a thermal conductivity of about 0.5 W / (m * K) or about 0.3 W / (m * K) or less. In one embodiment, the cover is made of a silicone or comprises a silicone. Silicones according to the present invention are synthetic polysiloxanes. The advantage of silicones in the context of the present invention is that these materials can be produced with desired properties including a certain temperature resistance and elasticity. Preferably, it is a crosslinked silicone, in particular a silicone rubber or silicone elastomer, wherein the crosslinking is preferably carried out by a catalyzed reaction with platinum. A preferred silicone is a methyl vinyl silicone rubber, more preferably a platinum catalysis crosslinked methyl vinyl silicone rubber. Such silicones have a high temperature resistance and at the same time a sufficient elasticity, so that when a load of the cover by, for example, striking the oven door, a damping of the forces acting.

In one embodiment, the cover has a side facing the tab and a side facing away from the tab, wherein it has on its side facing away from the tab and / or on its side facing the tab projections and / or depressions. The projections and / or recesses are preferably incorporated on or in the base material of the cover. Such projections and / or depressions may have different shapes. In certain embodiments, the protrusions are in the form of round knobs, elongate ribs, oval knobs and combinations thereof and the indentations are in the form of circular or oval indentations or elongated grooves or combinations thereof. In certain embodiments, the cover has a combination of recesses and protrusions. In certain embodiments, the cover has projections, which reinforce the material thickness at the strongest point of the projection by 1 mm to 2.5 mm.

The terms "flap-facing side" and "flap-facing side" as used herein refer to a portion or portions of the cover that cover the flap on its surface facing the opening of a household appliance ,

In certain embodiments, the cover only on its side facing away from the tab side projections and / or depressions. In certain embodiments, the cover has projections and / or depressions both on the side facing away from the tab and on the side facing the tab.

The advantage of such embodiments of covers is that there is no direct contact between the cover and the hand of the user on the one hand or cover and the tab at the locations where there are gaps between projections, or where there are depressions. The air cushion provided in these areas further reduces the risk of combustion when handling the telescopic rails.

In one embodiment, the side of the cover facing away from the tab is substantially even or smooth. Due to this configuration of this surface, the cover in the region of this surface is particularly easy to clean.

In one embodiment, the cover lies with its side facing the tab surface on the tab. This embodiment reduces the risk of displacement of the cover relative to the tab.

In one embodiment, the cover has a material thickness of from about 1 mm to about 3 mm, preferably from about 1.5 mm to about 2.5 mm. It has been shown that such material thicknesses on the one hand only slightly increase the thickness of the tab and thus only slightly reduce the space that the telescopic rail can assume within the household appliance. On the other hand, with such a material thickness, the heat transfer from the rail element to the user is well reduced. In addition, covers with such material thickness of a weak elastic material can be produced so that they can be applied well with the aid of undercuts on a tab. The material thickness refers here to the base material without any protrusions or depressions.

In one embodiment, the cover has one or more attachment sections, which extend / extend at least in sections over a surface of the tab facing away from the opening of the household appliance. By such a configuration, in which an attachment is made by fastening portions which provide undercuts of the tab, it is possible to provide a telescopic rail, in which a cover can be stably applied on the one hand and on the other hand is releasably connected to the rail. Thereby, replacement of the cover, for example, when the material of the cover is aged due to several cycles of heating and cooling, is easily enabled. On the other hand, this prevents unintentional removal of the cover from the telescopic rail.

In one embodiment, the cover has exactly one attachment portion. In one embodiment, the cover has two, three, four or more attachment portions.

Different embodiments of such fastening sections are encompassed by the invention. In particular, such fastening sections can be adapted to the special design of the tab and the connection of rail element and tab.

In one embodiment, the cover is preferably form-fitting to the tab, but without bias of the material. By such a configuration of the cover, in which a concern to the tab without bias, the life of the cover is increased compared to biased covers.

In one embodiment, attachment portions are connected to the cover in such a way that they embrace the tab at all four corners with a substantially rectangular tab, which may have rounded corners and not the surface of the tab facing away from the opening of the household appliance from the cover or their attachment portions is covered.

In one embodiment, the cover has substantially two attachment portions which extend around the narrow sides of the rectangular tab for a substantially rectangular tab in which the corners may be rounded. In this embodiment, the surface facing away from the opening of the household appliance surface of the tab, moreover, remain uncovered by the cover or its attachment portions.

Preferably, the attachment portions are formed integrally with the cover and are made of the same material as the cover.

In one embodiment, the cover has a mounting portion that extends from a narrow or long side of the cover to the opposite narrow or long side of the cover in a rectangular cover. In such a configuration of the cover with a fixing portion, it is possible, the cover, which assumes the form of a loop in this embodiment, together with the attachment portion, on a tab having a free end, postpone over the free end.

In one embodiment, the cover on lateral webs which extend perpendicular to one of the opening of the household appliance facing surface of the tab and the tab but not behind them. Such webs prevent a displacement of the cover relative to the tab.

In one embodiment, the cover has a damping section which projects beyond the plane of the side facing away from the opening of the household appliance surface of the tab in a direction away from the opening of the household appliance direction, wherein a further rail element upon complete telescoping of the telescopic rail with a first end with the Damping section comes into touching engagement. By the damping portion an actual contact of the first end of the further rail element is prevented with the tab and possibly attenuated forces by energetic pushing together of the telescopic rail. The damping portion is used in this embodiment as a stop attenuation and prevents generation of impact noise when completely pushed together the telescopic rail. Further, the damping portion prevents collision between metal parts of the rail members and rebounding of the rail members from each other is reduced.

In certain embodiments, the damping portion is an element of the cover that does not perform any other function. In other embodiments, the damping portion completely or partially on another function. In certain embodiments, the attachment portion is configured to fully or at least partially act as a cushioning portion.

In one embodiment, the cover on its side facing the tab on a pin which is guided through an opening in the tab, wherein a portion of the pin rests against a side facing away from the opening of the household appliance surface of the tab. Also in this embodiment, the cover is attached to the tab by means of an undercut located on the cover, which is provided in the form of a pin. The pin is thus a particular embodiment of a mounting portion. The pin is preferably designed mushroom-shaped and is forced through elastic deformation of the pin through the opening of the tab and is then preferably a form-fitting manner on the side facing away from the opening of the household appliance surface of the tab. In this embodiment, the cover of the tab is not or only with difficulty to solve without destroying the cover. This provides a stable connection between the cover and the tab which prevents unintentional release of the cover from the tab. In addition, the pin protrudes beyond the plane of the surface facing away from the opening of the household appliance surface of the tab in a direction away from the opening of the household appliance Direction and at the same time forms a damping portion, wherein the pin partially comes into touching engagement with a first end of another rail member when the telescopic rail is fully pushed together.

In one embodiment, the tab has an opening and the cover on its side facing the tab a damping portion which protrudes from the cover by more than the thickness of the tab and is guided through the opening of the tab. Preferably, in this embodiment, the opening in the tab is arranged so that upon pushing together of the telescopic rail in the direction of the opening of the household appliance pointing end of the other rail element would impinge on the tab in the region of the opening. The damping section, which is guided through the opening of the tab, also prevents in this embodiment, a contact of the first end of the further rail element with the tab and possibly by energetic pushing together of the telescopic rail forces are damped.

In one embodiment, the first rail element has a support surface for the support of a food support and the cover extends at least partially over the opening of the household appliance remote from the surface of the tab, the cover on the side facing away from the opening of the household appliance side of the tab on the support surface Having the first rail element resting support portion. By such a configuration, a support for a food support, for example a baking sheet, provided by the support portion so that it does not rest directly on the rail element. In particular, in the case of coated rail elements and / or coated baking trays, it is advantageous if there is no direct contact of metal on metal or coated metal on metal or coating on coating, since a frequent coating of these surfaces can cause damage to the coating. Next done by a noise minimization during application of the food support on the rail element. In one embodiment, the support section preferably has a material thickness of 2 to 20 mm.

In one embodiment, the first rail element has a support surface for the support of a food support and the cover extends at least partially over the opening of the household appliance remote from the surface of the tab, the cover on the side facing away from the opening of the household appliance side of the tab one of the support surface Having the first rail member spaced holding portion. In a cover designed in this way, the holding section is provided for holding a food support. This holding section is preferably designed in the form of a latch, wherein when placing the food support on the rail element of the edge of a food support is introduced below the holding portion and fixed by this the food support on the rail element. Preferably, the holding portion is at a distance to the support surface of the rail element or, if a support portion is present, at a distance from the support portion, which substantially corresponds to the thickness of the food support at this point. This distance may be in a range of 2 to 10 mm in certain embodiments.

• Figur 1: eine erste Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 2: eine zweite Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 3: eine dritte Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 4: eine vierte Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 5: eine fünfte Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 6: eine sechste Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 7: eine siebte Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung,
• Figur 8: eine achte Ausführungsform einer erfindungsgemäßen Teleskopschiene mit Abdeckung und
• Figur 9: verschiedene Ausgestaltungen der von der Lasche abgewandten Seite einer Abdeckung.

Further advantages, features and possible applications of the present invention will become apparent from the following description of preferred embodiments and the associated figures. Show it:

• FIG. 1 a first embodiment of a telescopic rail according to the invention with cover,
• FIG. 2 : a second embodiment of a telescopic rail according to the invention with cover,
• FIG. 3 a third embodiment of a telescopic rail according to the invention with cover,
• FIG. 4 a fourth embodiment of a telescopic rail according to the invention with cover,
• FIG. 5 : A fifth embodiment of a telescopic rail according to the invention with cover,
• FIG. 6 a sixth embodiment of a telescopic rail according to the invention with cover,
• FIG. 7 a seventh embodiment of a telescopic rail according to the invention with cover,
• FIG. 8 An eighth embodiment of a telescopic rail according to the invention with cover and
• FIG. 9 : various embodiments of the side facing away from the tab side of a cover.

For reasons of clarity, only sections are shown in the Figures of rail elements described below. The same applies to resting on the rail elements food support.

In FIG. 1 an embodiment of a telescopic rail according to the invention with cover is shown in three different views. FIG. 1a ) shows the first rail element 1 of the telescopic rail with the tab 2 before applying the cover 10 in a side view. In this view, the remote from the opening of the household appliance surface of the tab 4 and the flap-facing side of the cover 11 is visible. The cover 10 has on its side facing the tab 11 mounting portions 14 which cover the narrow sides of the substantially rectangular tab when applying the cover 10 on the tab 2. In other words, the fixing portions 14 provide undercuts, which abut on the tab applied to the cover on the side facing away from the opening of the household appliance surface 4 of the tab 2. In addition, the cover in the in FIG. 1 shown embodiment, lateral webs which connect the mounting portions 14 together. These webs do not engage behind the tab 2 and prevent only a lateral slipping of the cover 10 of the tab. 2

In FIG. 1b ) is the embodiment of FIG. 1a ) is also shown in a side view, wherein the cover 10 is applied to the tab 2.

In FIG. 2 an embodiment of a telescopic rail with cover according to the invention is shown, which is substantially the in FIG. 1 illustrated embodiment corresponds. In addition, however, has the telescopic rail shown in this embodiment on the tab 2 of the first rail member 1, an opening 7, through which when applied to the flap 2 cover 10, a damping portion 18 is guided. Upon complete telescoping of the telescopic rail, in which generally at least a first end 9 of a further rail element 8 comes into contact with the surface 4 of the tab 2 facing away from the opening of the household appliance, such a contact does not take place in this embodiment. Rather, the damping section 18 projects beyond the opening 4 of the household appliance facing away from surface 4 of the tab 2 in a direction that faces away from the opening of the household appliance, so that the first end 9 of the other rail member 8 comes into touching engagement with this damping portion 18 , As a result, a damping is provided which minimizes the noise occurring when pushing together the rails.

The FIGS. 2a) and 2b ) correspond to the above-described representations 1a) and 1b), wherein in each case additionally in the tab 2, an opening 7 is provided and on the cover 10, a damping portion 18 is located.

Figure 2c ) shows the embodiment in a longitudinal sectional view, which runs parallel to the extension direction and substantially centrally from top to bottom through the cover, wherein of the first rail element 1 and the further rail element 2 only one portion is shown in each case. The telescopic rail is not completely pushed together in the state shown. In this view, it is clear that the attachment portions 14 engage behind the tab 2. The cover 10 rests with its side facing the tab 11 on the opening of the household appliance facing surface 3 of the tab 2. In addition, it rests with the attachment portions 14 on the side facing away from the opening of the household appliance surface 4 of the tab 2. It can also be clearly seen in the cross section that the side 12 of the cover 10 facing away from the tab has a corrugation which is formed by projections 13. Furthermore, it can be clearly seen that, when the telescopic rail is pushed in completely, the further rail element 8 comes into touching engagement with the damping section 18 with its first end 9 and not with the tab 2 itself.

In FIG. 3 a further embodiment of a telescopic rail according to the invention with cover in two different views is shown. In FIG. 3a ), the embodiment is shown in a side view, wherein the cover is separated from the flap 2. In this embodiment, the cover 10 has a mounting portion 14 which is connected to the cover in two places. As a result, an overall loop-shaped cover is provided. This cover 10 can be pushed laterally onto the tab 2 on a first rail element 1. For this purpose indentations are provided in the attachment portion at the locations where the tab 2 is connected to the first rail element 1.

In FIG. 3b ) is the embodiment of FIG. 3a ) Also shown in a side view, wherein the cover 10 is applied to the tab 2. The cover rests with its side facing the tab 11 on the opening of the household appliance facing surface 3 of the tab 2 and the attachment portion 14 is located on the side facing away from the opening of the household appliance surface 4 of the tab 2, said surface is not completely from the Attachment section is covered.

Figure 3c ) shows in the FIGS. 3a) and 3b ) in a longitudinal section, wherein the section runs parallel to the extension direction of the telescopic rail and substantially centrally from top to bottom through the cover 10. Further, in this illustration, a further rail element 8 is additionally shown, which is displaceable relative to the first rail element 1. The telescopic rail is not complete in the state shown pushed together. Upon complete telescoping of the telescopic rail, the further rail element 8 strikes the fastening section 14 of the cover 10 with its first end 9. The central part of the attachment portion 14 therefore serves at the same time as a damping portion 18, which prevents the first end 9 of the further rail member 8 comes into touching engagement with the tab 2 when pushed together.

FIG. 4 represents a further embodiment of a telescopic rail according to the invention with cover in different views. FIG. 4a ) shows the embodiment in a side view, wherein the cover is separated from the tab in this illustration. In this embodiment, the tab 2 has a special configuration, wherein an opening 5 is provided. For fixing the cover to the tab 2 of the first rail element 1, a pin 15 is provided on the side facing the tab 11 of the cover 10. This is passed through the opening 5 of the tab 2 in the attachment of the cover, wherein it is elastically deformed and compressed during the passage.

FIG. 4b ) shows the embodiment FIG. 4a ) Also in a side view, wherein the cover 10 is applied to the tab 2. After passing the pin 15 through the opening 5, the pin has due to elastic properties of the material, consisting of the cover and pin, again expanded and provides a secure connection between the cover 10 and tab 2 ready. The pin rests against the surface of the tab 2 facing away from the opening of the household appliance and the cover 10 rests with its surface facing the tab 11 on the surface 3 of the tab 2 facing the opening of the household appliance. It can be clearly seen that the cover 10 in this embodiment not only completely covers the surface 3, but also protrudes beyond it.

In Figure 4c ) is the embodiment of the FIGS. 4a) and 4b ) Is shown in a longitudinal section, wherein in addition a further rail element, is shown. In this view, it is clearly visible that the guided through the opening 5 pin 15 has a mushroom-shaped cross-section, on the one hand allows a push-through of the pin through the opening 5, on the other hand retraction largely prevented. In addition, the pin 15 is at the same time a damping portion 18, as when telescoping the telescopic rail through this pin metal parts of the first and another rail element do not meet and in particular the first end 9 of the other rail element 8 comes into touching engagement with the pin. Also in this embodiment are at the of the tab facing away from side 12 of the cover 10 projections 13 which provide a corrugation.

FIG. 5 shows yet another embodiment of a telescopic rail according to the invention with cover. In FIG. 5a ) is a side plan view is shown in which the cover 10 is separated from the tab 2 of the first rail element 1. The cover 10 has on its side facing the tab 11 a mounting portion 14 which covers a narrow side and a longitudinal side of the substantially rectangular tab when applying the cover 10 to the tab 2. By this particular embodiment, the cover 10 can be pushed onto the tab 2 from above. Next, the cover has a web which does not engage behind in applied state on the tab 2 and extends along the otherwise free longitudinal side of the tab along and thus prevents lateral slipping of the cover 10 of the tab 2.

In FIG. 5b ) is the embodiment of FIG. 5a ) Also shown in a side view, wherein the cover 10 is pushed onto the tab 2.

FIG. 5c ) represents a sectional view through the flap 2 with cover, wherein the cutting plane is parallel to the plane in which a resting on the rail element 1 food support would run. In this view, it can be clearly seen that the cover 10 has an asymmetrical attachment portion 14, which engages behind the tab 2 on one longitudinal side. On the other longitudinal side is located on a web, but the tab 2 does not engage behind.

FIG. 6 shows a further embodiment of a telescopic rail according to the invention with cover. In this embodiment, a tab 2 is attached to the first rail element 1, which is substantially rectangular, but on the narrow sides of which portions are bent away from the rail element.

In FIG. 6a ) is a side view of a cover 10 is shown, which is applied to a tab 2 on a rail element 1. In this embodiment, the cover 10 on its side facing the tab 11 incisions, are provided by the fastening portions 14. These incisions correspond with the bent-away portions of the flap 2. On its side facing away from the tab 12, the cover 10 has a corrugation, which is formed by projections 13. Die Rillen 13 sind in der Ausnehmung 12 mit dem Schenkel 13 versehen.

In FIG. 6b ) is the embodiment of FIG. 6a ), wherein the cover 10 is removed from the tab 2. In this illustration, the configuration of the attachment portions 14 by cuts in the flap of the facing side of the cover is clearly visible.

FIG. 7 shows a further embodiment of a telescopic rail according to the invention with cover. To illustrate the special design of the cover, this is in the FIGS. 7a) and 7b) without the tab and the rail element shown.

In Figure 7a ) the cover is shown in a side view. The cover has a mounting portion 14 which is connected to the cover in two places, wherein a loop is formed by cover and mounting portion 14, which can be pushed laterally onto a tab 2. The cover 10 has on its side facing away from the tab 12 projections 13 in the form of knobs and grooves. This is more evident in the illustration in FIG. 6b ), which is a plan view of the side 12 of the cover 10.

In FIG. 7c ) is a side view of the in the FIGS. 7a) and 7b ) shown cover 10, wherein the cover is applied to a tab 2 on a first rail element 1. In this figure, another rail member 8 of the telescopic rail is shown, wherein the telescopic rail is shown in a fully collapsed state. In addition, a food support 20 is shown in this illustration, which rests on the first rail element 1. The cover extends through the mounting portion 14 on the side facing away from the opening of the household appliance surface 4 of the tab 2 and there has a Auflageabschitt 16 and a holding portion 17. The support portion 16 is designed and connected to the cover 10 that he on a Support surface 6 of the first rail element 1 rests and 20 prevents an immediate resting of the food support 20 on the rail element 1 when the food support 20 is applied. As a result, a rubbing on of metallic materials of the rail element and the food support is prevented. By the attachment portion 14 also a rubbing of the food support on the tab 2 is prevented. Next, a holding portion is provided on the cover 10, which extends above the support surface 6 of the first rail element at a distance from the support portion 16, which substantially corresponds to the thickness of the food support 20 at this point. By this configuration, an unintentional removal of the food support is prevented by the telescopic rail. Next, the cover 10 extends with its attachment portion 14 over a large part of the opening facing away from the opening of the household appliance surface 4 of the tab 2. As a result, forms a part of the mounting portion at the same time a damping portion 18 at the, as in Figure 7c ), the first end 9 of a another rail element 8 rests in fully collapsed state of the telescopic rail or occurs with this end in touching engagement.

In FIG. 8 a further embodiment of a telescopic rail is shown with cover, wherein the cover 10 is separated from the tab 2 of the first rail element 1 for simplicity in the illustration. In this embodiment, the cover is particularly simple in design and provides a side facing the tab 11 having a surface corresponding to the surface of the opening 3 of the household appliance facing surface 3 of the tab 2. The cover 10 is attached by gluing to the tab 2 in this embodiment.

In FIG. 9 Different embodiments of the side facing away from the tab 12 of covers 10 are shown. The design of the surface of this page 12 is independent of the rest of the form of the cover and the surfaces shown in the FIGS. 9a), 9b) and 9c ) can be arbitrarily combined with any of the above-described embodiments and other embodiments not explicitly described herein.

In FIG. 9a ) is shown a cover with transverse corrugation, which is formed by rib-shaped projections 13.

FIG. 9b ) shows a cover with longitudinal projections 13th

FIG. 9c ) shows a cover with projections 13 in the form of nubs.

For purposes of the original disclosure, it is to be understood that all such features as will become apparent to those skilled in the art from the present description, drawings and dependent claims, even though concretely described only in connection with certain further features, both individually and individually can be combined in any combination with other features or feature groups disclosed herein, unless this has been expressly excluded or technical conditions make such combinations impossible or pointless. On the comprehensive, explicit representation of all conceivable combinations of features and the emphasis on the independence of the individual characteristics of each other is omitted here only for the sake of brevity and readability of the description.

LIST OF REFERENCE NUMBERS

1

first rail element

2

flap

3

for opening the household appliance facing surface of the tab

4

from the opening of the household appliance facing away from the surface of the tab

5

Opening in the tab

6

Bearing surface of the first rail element

7

perforation

8th

another rail element

9

first end of the further rail element

10

cover

11

the tab facing side of the cover

12

from the tab side facing away from the cover

13

projections

14

Fixing portion (e)

15

spigot

16

bearing section

17

holding section

18

damping section

20

food support

Claims (12)

Telescopic rail having a first (1) and at least one further rail element, wherein the first rail element (1) can be pulled out of the domestic appliance in a state of the telescopic rail fastened in a domestic appliance and has a tab (2) at its end pointing to the opening of the domestic appliance, which extends perpendicular to the extension direction of the telescopic rail, characterized in that the tab (2) at least on a facing the opening of the household appliance surface (3) has a cover (10), which consists of a material which is less thermally conductive than the material from which the tab (2) consists. Telescopic rail according to claim 1, characterized in that the cover (10) has a thermal conductivity of less than 5 W / (m * K), preferably less than 3 W / (m * K), more preferably less than 1 W / (m * K). Telescopic rail according to one of the preceding claims, characterized in that the cover (10) consists of a silicone or comprises a silicone. Telescopic rail according to one of the preceding claims, characterized in that the cover (10) has a side facing the tab (11) and a side facing away from the tab (12), wherein on its side facing away from the tab and / or on her The flap-facing side has projections (13) and / or depressions. Telescopic rail according to one of the preceding claims, characterized in that the cover (10) with its side facing the tab (11) rests flat against the tab (2). Telescopic rail according to one of the preceding claims, characterized in that the cover (10) has a material thickness of about 1 mm to about 3 mm, preferably from about 1.5 mm to about 2.5 mm. Telescopic rail according to one of the preceding claims, characterized in that the cover (10) has one or more fastening sections (14) which extends at least in sections over a surface (4) of the tab (2) facing away from the opening of the domestic appliance / extend. Telescopic rail according to one of the preceding claims, characterized in that the cover (10) has a damping portion (18) which extends beyond the plane of the surface facing away from the opening of the household appliance (4) of the tab (2) in one of the opening of the household appliance protrudes from the opposite direction, wherein a further rail element (8) when fully telescoping the telescopic rail with a first end (9) with the damping portion comes into touching engagement. Telescopic rail according to one of the preceding claims, characterized in that the cover (10) on its side facing the tab (11) has a pin (15) which is guided through an opening (5) in the tab, wherein a portion of the pin on a side facing away from the opening of the household appliance surface (4) of the tab is present. Telescopic rail according to one of the preceding claims, characterized in that the tab (2) has an opening (7) and the cover (10) on its side facing the tab (11) has a damping portion (18) extending from the cover to more as the material thickness of the tab protrudes and is guided by the opening of the tab. Telescopic rail according to one of the preceding claims, characterized in that the first rail element (1) has a support surface (6) for the support of a food support and the cover extends at least partially over the opening of the household appliance remote from surface (4) of the tab, wherein Having the cover on the side facing away from the opening of the household appliance side of the tab has a resting on the support surface of the first rail element support portion (16). Telescopic rail according to one of the preceding claims, characterized in that the first rail element (1) has a support surface (6) for the support of a food support and the cover extends at least partially over the opening of the household appliance remote from surface (4) of the tab, wherein the cover on the side facing away from the opening of the household appliance side of the tab has a spaced from the support surface of the first rail member holding portion (17).

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