EP1592323B1 - Telescopic rail arrangement and refrigerator provided therewith - Google Patents

Telescopic rail arrangement and refrigerator provided therewith Download PDF

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Publication number
EP1592323B1
EP1592323B1 EP04708328A EP04708328A EP1592323B1 EP 1592323 B1 EP1592323 B1 EP 1592323B1 EP 04708328 A EP04708328 A EP 04708328A EP 04708328 A EP04708328 A EP 04708328A EP 1592323 B1 EP1592323 B1 EP 1592323B1
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EP
European Patent Office
Prior art keywords
rail
rails
telescopic
telescopic rail
rail arrangement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04708328A
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German (de)
French (fr)
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EP1592323A1 (en
Inventor
Wolfgang Kentner
Karl-Friedrich Laible
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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Publication of EP1592323A1 publication Critical patent/EP1592323A1/en
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Publication of EP1592323B1 publication Critical patent/EP1592323B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/483—Sliding drawers; Slides or guides therefor with single extensible guides or parts
    • A47B88/487—Sliding drawers; Slides or guides therefor with single extensible guides or parts with rollers, ball bearings, wheels, or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/50—Safety devices or the like for drawers
    • A47B88/57—Safety devices or the like for drawers preventing complete withdrawal of the drawer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/423—Fastening devices for slides or guides
    • A47B88/43—Fastening devices for slides or guides at cabinet side
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0043—Wheels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0043—Wheels
    • A47B2210/0045—Wheels whereof only one per slide
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0051—Guide position
    • A47B2210/0059—Guide located at the side of the drawer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/0081—Telescopic drawer rails with stop blocks, e.g. synchronization buffers

Definitions

  • the present invention relates to a telescopic rail arrangement with two rails, which have in cross section a bottom and two projecting from the ground, one channel defining webs and carry a longitudinally movable in the channel of the other rail engaging element.
  • Such telescopic rails are widely used to guide objects such as drawers easily movable and linearly displaceable.
  • the rails of such arrangements are usually made of a strong sheet metal bent profiles. It is difficult to form the cross-section of these profiles so accurate to millimeter fractions that the engaging element is performed largely free of play in it.
  • a game-containing leadership causes an unwanted pivoting movement of the rails increases relative to each other the further they are pulled apart.
  • the drawers with the telescopic rails are not fixed by a screw but easily detachable connected to them.
  • Object of the present invention is to provide a telescopic rail assembly that is inexpensive to manufacture and still ensures accurate guidance, and to provide a equipped with such a telescopic rail assembly refrigeration device.
  • the task becomes solved by a telescopic rail arrangement with the features of claim 1 and a refrigeration device with the features of claim 8.
  • the effectiveness of such a buffer body is greatest when it is attached to each of the same end of the rail as the engaging element. While the rails are usually made of metal, the buffer body is preferably molded from a plastic.
  • the buffer body has a the web of the other rail facing head for limiting the pivoting freedom of the latter and a handle mounted in a bore of a rail stem.
  • the stem is pressed so far into the hole that the head directly touches the vicinity of the bore;
  • an individually adjustable telescopic rail assembly by a plastic screw is used as a buffer body, which is screwed into an internal thread of the bore.
  • the engaging element is preferably a roller.
  • At least one of the webs preferably has a brim opposite the bottom, which serves to engage behind the engaging element of the respective other rail and thus prevent the rails from becoming detached from one another.
  • Fig. 1 shows a perspective view of parts of an inner container 1 of a refrigerator, which is equipped with telescopic rail assemblies according to the invention.
  • front and rear fastening elements 2, 3 are mounted in pairs at different heights, each carrying a telescopic rail arrangement 4 in pairs.
  • the telescopic rail arrangements 4 are used for holding removable refrigerated goods carriers 5, as in Fig. 2 shown.
  • Fig. 3 shows a telescopic rail arrangement according to the invention in a perspective view, in the extended state.
  • the arrangement comprises two rails 6, 7 wherein provided with latching hooks 8 rail 6 is provided to be firmly mounted in the fasteners 2 and 3 engaging on the inner container 1, and the movable rail 7 forms a support for a refrigerated goods.
  • One at the back End of the movable rail 7 upstanding finger 17 is used for locking the refrigerated goods carrier.
  • Both rails 6, 7 are made of a strong sheet metal profile whose cross section is the same in both rails.
  • This profile comprises in each case one in installation position of the rails 6, 7 vertical bottom 9 and two right angles from the bottom 9 projecting webs 10, 11.
  • bottom 9 and webs 10, 11 each define a guide channel 12 on three sides, in each case one of the another rail rotatably mounted roller 13 engages as a guide element.
  • the web 10 of each rail also engages in the guide channel 12 of the other rail.
  • the web 11 is extended in each case by an inwardly directed brim 14 which engages behind the roller 13 of the respective other rail and thus limits the transverse mobility of the roller in the guide channel and prevents the telescopic rail arrangement from falling apart.
  • the joining of the two rails is done by being pushed together in the longitudinal direction and then an elastic plastic buffer 15 is engaged at the front end of the movable rail 7.
  • Fig. 4 shows a slightly schematic horizontal longitudinal section through the rails 6, 7 in a separate state.
  • Both rails each carry a roller 13 at one end, wherein the web 10 is interrupted at the level of the roller 13 so that the roller 13 extend vertically beyond the edge of the bottom 9 and on the web 11 of the other rail between bottom 9 and Brim 14 can run guided.
  • the web 11 must be slightly wider than the roller 13 so that it does not get stuck between the bottom 9 and brim 14, however, any lateral play of the roller 13 affects the lateral stability of the guide.
  • each rail 6, 7 is inserted into a bore 16 of the bottom 9, a buffer 15 made of a supple, against fretting little sensitive plastic material such as polyester or polytetrafluoroethylene.
  • the bore 16 is closer to the web 11 than the axis of the roller 13 mounted on the same rail, so that for the accommodation of the buffer 15 only a slight projection of the rail 6 or 7 on the roller 13 is required.
  • the buffer 15 has a shape similar to that of a short screw with a protruding into the guide channel 12 and a head held in the bore 16 stem.
  • the stem may have a simple cylindrical shape and be held in the bore 16 by pressing; but it is also conceivable to provide the bore 16 with an internal thread and to use as a buffer 15, a screw made of plastic.
  • Fig. 5 shows the two rails 6, 7 in a section analogous to that of Fig. 4 , but in assembled condition.
  • the roller 13 of each rail 6, 7 engages with a certain lateral clearance between the bottom 9 and the brim 14 of the other rail 7 and 6, this fact being seen only for the roller 13 of the rail 7, since the web 11 of the rail 7 is cut away in the illustration.
  • the buffer 15 of each rail 6, 7 is opposite the web 10 of the other rail 7, 6, wherein the clearance between the buffer and web is smaller than that of the roller 13 and in extreme cases may be zero.
  • Fig. 6 shows the same two rails in a nearly maximum extended state.
  • the maximum extended state would correspond to a contact of the two rollers 13.
  • the telescopic rail assembly has a greater freedom of pivoting movement in the horizontal plane (about an axis perpendicular to the plane of the figure) than in the retracted state of the Fig. 5 because the distance between the buffers 15 or rollers 13 limiting the pivoting freedom is low.
  • Fig. 7 illustrates the limits of the pivotal movement freedom in a rotation of the rail 7 in a clockwise direction.

Abstract

Disclosed is a refrigerator that is provided with supports for chilled products, which can be extracted on telescopic rail arrangements. A telescopic rail arrangement comprises two rails (6, 7) which, from a cross-sectional perspective, encompass a bottom (9) and two webs (10, 11) that protrude from the bottom and delimit a channel (12). The two rails (6, 7) support an engaging element (13) that can be moved in a longitudinal direction within the channel (12) of the other rail (7, 6). The rails (6, 7) also support a buffer member (15) which is located at one end thereof and faces one of the webs (10) of the other rail (7, 6).

Description

Die vorliegende Erfindung betrifft eine Teleskopschienenanordnung mit zwei Schienen, die im Querschnitt einen Boden und zwei von dem Boden abstehende, einen Kanal begrenzende Stege aufweisen und ein im Kanal der jeweils anderen Schiene längsbewegliches Eingreifelement tragen.The present invention relates to a telescopic rail arrangement with two rails, which have in cross section a bottom and two projecting from the ground, one channel defining webs and carry a longitudinally movable in the channel of the other rail engaging element.

Derartige Teleskopschienen werden vielfach eingesetzt, um Gegenstände wie etwa Schubladen leicht beweglich und geradlinig verschiebbar zu führen. Die Schienen derartiger Anordnungen sind meist aus einem kräftigen Blech gebogene Profile. Es ist schwierig, den Querschnitt dieser Profile so auf Millimeterbruchteile genau zu formen, dass das Eingreifelement weitgehend spielfrei darin geführt ist. Eine spielhaltige Führung bewirkt jedoch, dass eine ungewollte Schwenkbeweglichkeit der Schienen relativ zueinander um so weiter zunimmt, je weiter diese auseinandergezogen werden. Als weiter spielbegünstigend kommt hinzu, wenn die Schubladen mit den Teleskopschienen nicht fest anhand einer Schraubverbindung sondern leicht lösbar mit diesen verbunden sind. Dadurch wird auch die Halterung eines von den Teleskopschienen getragenen Gegenstandes in Bezug auf einen Rahmen, an dem die Teleskopschienen gehalten sind, um so unsicherer je weiter die Schienen auseinandergezogen sind, was derartige Teleskopschienenanordnungen bislang für einige Anordnungen unattraktiv gemacht hat. So wäre es z.B. an sich wünschenswert, Kühlgutträger in Kühlschränken ausziehbar zu machen, um so eine leichte Erreichbarkeit auch von Gegenständen zu gewährleisten, die in einem vollen Kühlschrank nahe an der Rückwand abgestellt sind. Will man einen solchen Kühlgutträger herausziehbar gestalten, so ist eine exakte Führung erforderlich, um eine ruckfreie Bewegung gewährleisten zu können, bei der keine auf den Träger abgestellten Träger umfallen. Teleskopschienen mit der hierfür erforderlichen Präzision zu fertigen, ist kostspielig.Such telescopic rails are widely used to guide objects such as drawers easily movable and linearly displaceable. The rails of such arrangements are usually made of a strong sheet metal bent profiles. It is difficult to form the cross-section of these profiles so accurate to millimeter fractions that the engaging element is performed largely free of play in it. However, a game-containing leadership causes an unwanted pivoting movement of the rails increases relative to each other the further they are pulled apart. As further favorable to the game is added if the drawers with the telescopic rails are not fixed by a screw but easily detachable connected to them. As a result, the support of an object carried by the telescopic rails with respect to a frame on which the telescopic rails are held, the more uncertain the further the rails are pulled apart, which has made such telescopic rail arrangements so far unattractive for some arrangements. So it would be e.g. in itself desirable to make refrigerated goods in refrigerators extendable, so as to ensure easy accessibility of items that are parked in a full refrigerator close to the rear wall. If you want to make such a refrigerated goods pulled out, so an exact guide is required to ensure a smooth movement can fall over when no parking on the carrier carrier. Making telescopic rails with the precision required for this is costly.

Aufgabe der vorliegenden Erfindung ist, eine Teleskopschienenanordnung, die preiswert herstellbar ist und trotzdem eine exakte Führung gewährleistet, und ein mit einer solchen Teleskopschienenanordnung ausgestattetes Kältegerät zu schaffen. Die Aufgabe wird gelöst durch eine Teleskopschienenanordnung mit den Merkmalen des Anspruchs 1 bzw. ein Kältegerät mit den Merkmalen des Anspruchs 8.Object of the present invention is to provide a telescopic rail assembly that is inexpensive to manufacture and still ensures accurate guidance, and to provide a equipped with such a telescopic rail assembly refrigeration device. The task becomes solved by a telescopic rail arrangement with the features of claim 1 and a refrigeration device with the features of claim 8.

Indem wenigstens eine, besser noch beide Schienen mit einem Pufferkörper versehen werden, der einem der Stege der anderen Schiene zugewandt ist, kann die horizontale Schwenkbewegungsfreiheit der Schienen im weit ausgezogenen Zustand sehr wirksam eingeschränkt werden, ohne dass dies zu einer spürbaren Steigerung der Kosten der Teleskopschienenanordnung führt und ohne dass sich deren Laufwiderstand merklich erhöht.By at least one, better still both rails are provided with a buffer body, which faces one of the webs of the other rail, the horizontal pivoting freedom of the rails in the extended state can be very effectively limited, without causing a noticeable increase in the cost of the telescopic rail assembly leads and without their running resistance increases significantly.

Die Wirksamkeit eines solchen Pufferkörpers ist am größten, wenn er jeweils am gleichen Ende der Schiene wie deren Eingreifelement befestigt ist. Während die Schienen üblicherweise aus Metall bestehen, ist der Pufferkörper vorzugsweise aus einem Kunststoff geformt.The effectiveness of such a buffer body is greatest when it is attached to each of the same end of the rail as the engaging element. While the rails are usually made of metal, the buffer body is preferably molded from a plastic.

Vorzugsweise hat der Pufferkörper einen dem Steg der jeweils anderen Schiene zugewandten Kopf zum Begrenzen der Schwenkbewegungsfreiheit der letzteren und einen in einer Bohrung der einen Schiene befestigten Stiel. Im einfachsten Falle ist der Stiel so weit in die Bohrung eingepresst, dass der Kopf die Umgebung der Bohrung unmittelbar berührt; es könnte jedoch auch eine individuell justierbare Teleskopschienenanordnung geschaffen werden, indem als Pufferkörper eine Kunststoffschraube verwendet wird, die in ein Innengewinde der Bohrung eingeschraubt ist.Preferably, the buffer body has a the web of the other rail facing head for limiting the pivoting freedom of the latter and a handle mounted in a bore of a rail stem. In the simplest case, the stem is pressed so far into the hole that the head directly touches the vicinity of the bore; However, it could also be created an individually adjustable telescopic rail assembly by a plastic screw is used as a buffer body, which is screwed into an internal thread of the bore.

Das Eingreifelement ist vorzugsweise eine Rolle.The engaging element is preferably a roller.

Wenigstens einer der Stege hat vorzugsweise eine dem Boden gegenüberliegende Krempe, die dazu dient, das Eingreifelement der jeweils anderen Schiene zu hintergreifen und die Schienen so daran zu hindern, sich voneinander zu lösen.At least one of the webs preferably has a brim opposite the bottom, which serves to engage behind the engaging element of the respective other rail and thus prevent the rails from becoming detached from one another.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren. Es zeigen:

Fig. 1
eine perspektivische Ansicht eines Innenbehälters eines Kältegeräts mit an den Seitenwänden gehalterten Teleskopschienen gemäß der Erfindung;
Fig.2
eine zu Fig. 1 analoge Ansicht des Innenbehälters mit an den Teleskopschienen montierten Kühlgutträgern;
Fig. 3
eine perspektivische Ansicht einer Teleskopschienenanordnung gemäß der Erfindung in weit ausgezogenem Zustand;
Fig. 4
einen horizontalen Längsschnitt durch die Teleskopschienen der Anordnung in einem voneinander getrennten Zustand;
Fig. 5
einen Schnitt analog dem der Fig. 4 durch die zwei Schienen im ineinandergreifenden, zusammengezogenen Zustand;
Fig. 6
einen Schnitt durch die zwei Schienen im auseinandergezogenen Zustand; und
Fig. 7
vergleichend die horizontale Schwenkbewegungsfreiheit der erfindungsgemäßen Teleskopschienenanordnung und einer herkömmlichen Anordnung.
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 an inner container of a refrigerator with content Erten on the side walls Teleskopschienen according to the invention;
Fig.2
one too Fig. 1 analogous view of the inner container with refrigerated goods carriers mounted on the telescopic rails;
Fig. 3
a perspective view of a telescopic rail assembly according to the invention in a fully extended state;
Fig. 4
a horizontal longitudinal section through the telescopic rails of the arrangement in a separate state;
Fig. 5
a section similar to that of Fig. 4 through the two rails in the engaged, contracted condition;
Fig. 6
a section through the two rails in the extended state; and
Fig. 7
Comparing the horizontal pivoting freedom of the telescopic rail assembly of the invention and a conventional arrangement.

Fig. 1 zeigt eine perspektivische Ansicht von Teilen eines Innenbehälters 1 eines Kältegeräts, das mit Teleskopschienenanordnungen gemäß der Erfindung ausgestattet ist. An den Seiten des Innenbehälters 1 sind jeweils paarweise in unterschiedlichen Höhen vordere bzw. hintere Befestigungselemente 2, 3 angebracht, die jeweils zu zweit eine Teleskopschienenanordnung 4 tragen. Die Teleskopschienenanordnungen 4 dienen zur Halterung von herausziehbaren Kühlgutträgern 5, wie in Fig. 2 gezeigt. Fig. 1 shows a perspective view of parts of an inner container 1 of a refrigerator, which is equipped with telescopic rail assemblies according to the invention. On the sides of the inner container 1, front and rear fastening elements 2, 3 are mounted in pairs at different heights, each carrying a telescopic rail arrangement 4 in pairs. The telescopic rail arrangements 4 are used for holding removable refrigerated goods carriers 5, as in Fig. 2 shown.

Fig. 3 zeigt eine erfindungsgemäße Teleskopschienenanordnung in perspektivischer Ansicht, im auseinandergezogenen Zustand. Die Anordnung umfasst zwei Schienen 6, 7 wobei die mit Rasthaken 8 versehene Schiene 6 vorgesehen ist, um in die Befestigungselemente 2 bzw. 3 eingreifend am Innenbehälter 1 fest montiert zu werden, und die bewegliche Schiene 7 eine Auflage für einen Kühlgutträger bildet. Ein am hinteren Ende der beweglichen Schiene 7 aufragender Finger 17 dient zur Verrastung des Kühlgutträgers. Fig. 3 shows a telescopic rail arrangement according to the invention in a perspective view, in the extended state. The arrangement comprises two rails 6, 7 wherein provided with latching hooks 8 rail 6 is provided to be firmly mounted in the fasteners 2 and 3 engaging on the inner container 1, and the movable rail 7 forms a support for a refrigerated goods. One at the back End of the movable rail 7 upstanding finger 17 is used for locking the refrigerated goods carrier.

Beide Schienen 6, 7 sind aus einem starken Blechprofil hergestellt, dessen Querschnitt bei beiden Schienen der gleiche ist. Dieses Profil umfasst jeweils einen in Einbaulage der Schienen 6, 7 vertikalen Boden 9 und zwei rechtwinklig von dem Boden 9 abstehende Stege 10, 11. Boden 9 und Stege 10, 11 begrenzen jeweils auf drei Seiten einen Führungskanal 12, in den jeweils eine an der anderen Schiene drehbar befestigte Rolle 13 als Führungselement eingreift. Der Steg 10 jeder Schiene greift ebenfalls in den Führungskanal 12 der jeweils anderen Schiene ein. Der Steg 11 ist jeweils durch eine einwärts gerichtete Krempe 14 verlängert, der die Rolle 13 der jeweils anderen Schiene hintergreift und so die Querbeweglichkeit der Rolle im Führungskanal begrenzt und ein Auseinanderfallen der Teleskopschienenanordnung verhindert. Das Zusammenfügen der zwei Schienen geschieht, indem sie in Längsrichtung ineinandergeschoben werden und anschließend ein elastischer Kunststoffpuffer 15 am vorderen Ende der beweglichen Schiene 7 eingerastet wird.Both rails 6, 7 are made of a strong sheet metal profile whose cross section is the same in both rails. This profile comprises in each case one in installation position of the rails 6, 7 vertical bottom 9 and two right angles from the bottom 9 projecting webs 10, 11. bottom 9 and webs 10, 11 each define a guide channel 12 on three sides, in each case one of the another rail rotatably mounted roller 13 engages as a guide element. The web 10 of each rail also engages in the guide channel 12 of the other rail. The web 11 is extended in each case by an inwardly directed brim 14 which engages behind the roller 13 of the respective other rail and thus limits the transverse mobility of the roller in the guide channel and prevents the telescopic rail arrangement from falling apart. The joining of the two rails is done by being pushed together in the longitudinal direction and then an elastic plastic buffer 15 is engaged at the front end of the movable rail 7.

Fig. 4 zeigt einen leicht schematisierten horizontalen Längsschnitt durch die Schienen 6, 7 in einem voneinander getrennten Zustand. Beide Schienen tragen jeweils eine Rolle 13 an einem Ende, wobei der Steg 10 jeweils in Höhe der Rolle 13 unterbrochen ist, so dass die Rolle 13 vertikal über den Rand des Bodens 9 hinausreichen und auf dem Steg 11 der jeweils anderen Schiene zwischen Boden 9 und Krempe 14 geführt abrollen kann. Dabei muss der Steg 11 geringfügig breiter sein als die Rolle 13, damit diese nicht zwischen Boden 9 und Krempe 14 stecken bleibt, allerdings beeinträchtigt jegliches seitliche Spiel der Rolle 13 die seitliche Stabilität der Führung. Fig. 4 shows a slightly schematic horizontal longitudinal section through the rails 6, 7 in a separate state. Both rails each carry a roller 13 at one end, wherein the web 10 is interrupted at the level of the roller 13 so that the roller 13 extend vertically beyond the edge of the bottom 9 and on the web 11 of the other rail between bottom 9 and Brim 14 can run guided. In this case, the web 11 must be slightly wider than the roller 13 so that it does not get stuck between the bottom 9 and brim 14, however, any lateral play of the roller 13 affects the lateral stability of the guide.

Zwischen der Rolle 13 und dem der Rolle benachbarten Ende jeder Schiene 6, 7 ist in eine Bohrung 16 des Bodens 9 ein Puffer 15 aus einem geschmeidigen, gegen Reibverschleiß wenig empfindlichen Kunststoffmaterial wie etwa Polyester oder Polytetrafluorethylen eingefügt. Wie insbesondere in der perspektivischen Ansicht der Schiene 6 in Fig. 3 zu erkennen, liegt die Bohrung 16 näher am Steg 11 als die Achse der an der gleichen Schiene montierten Rolle 13, so dass für die Unterbringung des Puffers 15 nur ein geringer Überstand der Schiene 6 bzw. 7 über die Rolle 13 hinaus erforderlich ist.Between the roller 13 and the roller adjacent end of each rail 6, 7 is inserted into a bore 16 of the bottom 9, a buffer 15 made of a supple, against fretting little sensitive plastic material such as polyester or polytetrafluoroethylene. As in particular in the perspective view of the rail 6 in Fig. 3 can be seen, the bore 16 is closer to the web 11 than the axis of the roller 13 mounted on the same rail, so that for the accommodation of the buffer 15 only a slight projection of the rail 6 or 7 on the roller 13 is required.

Der Puffer 15 hat eine Gestalt ähnlich der einer kurzen Schraube mit einem in den Führungskanal 12 hineinragenden Kopf und einem in der Bohrung 16 gehaltenen Stiel. Der Stiel kann eine einfache Zylinderform haben und in der Bohrung 16 durch Pressung gehalten sein; es ist aber auch denkbar, die Bohrung 16 mit einem Innengewinde zu versehen und als Puffer 15 eine Schraube aus Kunststoff zu verwenden.The buffer 15 has a shape similar to that of a short screw with a protruding into the guide channel 12 and a head held in the bore 16 stem. The stem may have a simple cylindrical shape and be held in the bore 16 by pressing; but it is also conceivable to provide the bore 16 with an internal thread and to use as a buffer 15, a screw made of plastic.

Fig. 5 zeigt die zwei Schienen 6, 7 in einem Schnitt analog dem der Fig. 4, allerdings in zusammengefügten Zustand. Die Rolle 13 jeder Schiene 6, 7 greift mit einem gewissen seitlichen Spiel zwischen den Boden 9 und die Krempe 14 der jeweils anderen Schiene 7 bzw. 6 ein, wobei dieser Sachverhalt nur für die Rolle 13 der Schiene 7 zu sehen ist, da der Steg 11 der Schiene 7 in der Darstellung weggeschnitten ist. Der Puffer 15 jeder Schiene 6, 7 liegt dem Steg 10 der jeweils anderen Schiene 7, 6 gegenüber, wobei das Spiel zwischen Puffer und Steg kleiner als das der Rolle 13 ist und im Extremfall auch Null sein kann. Fig. 5 shows the two rails 6, 7 in a section analogous to that of Fig. 4 , but in assembled condition. The roller 13 of each rail 6, 7 engages with a certain lateral clearance between the bottom 9 and the brim 14 of the other rail 7 and 6, this fact being seen only for the roller 13 of the rail 7, since the web 11 of the rail 7 is cut away in the illustration. The buffer 15 of each rail 6, 7 is opposite the web 10 of the other rail 7, 6, wherein the clearance between the buffer and web is smaller than that of the roller 13 and in extreme cases may be zero.

Fig. 6 zeigt die gleichen zwei Schienen in einem nahezu maximal ausgezogenen Zustand. Der maximal ausgezogene Zustand entspräche einer Berührung der zwei Rollen 13. In dieser ausgezogenen Stellung hat die Teleskopschienenanordnung eine größere Schwenkbewegungsfreiheit in der horizontalen Ebene (um eine auf der Ebene der Figur senkrechte Achse) als im eingefahrenen Zustand der Fig. 5, da der Abstand zwischen den die Schwenkbewegungsfreiheit begrenzenden Puffern 15 bzw. Rollen 13 gering ist. Fig. 6 shows the same two rails in a nearly maximum extended state. The maximum extended state would correspond to a contact of the two rollers 13. In this extended position, the telescopic rail assembly has a greater freedom of pivoting movement in the horizontal plane (about an axis perpendicular to the plane of the figure) than in the retracted state of the Fig. 5 because the distance between the buffers 15 or rollers 13 limiting the pivoting freedom is low.

Fig. 7 veranschaulicht die Grenzen der Schwenkbewegungsfreiheit bei einer Drehung der Schiene 7 im Uhrzeigersinn. Der Verlauf des Bodens 9 der Schiene 7, der der in Fig. 6 gezeigten parallelen Orientierung der Schienen zueinander entspricht, ist in Fig. 7 als strichpunktierte Linie dargestellt. Aus dieser Orientierung heraus ist die Schiene 7 geringfügig auslenkbar, bis ihre Rolle 13 an die Innenseite der Krempe 14 der Schiene 6 stößt und ihr Steg 10 gegen den Puffer 15 der Schiene 6 stößt. Würde der Puffer 15 fehlen, so wäre die Grenze der Schwenkbewegungsfreiheit erst erreicht, wenn die Rolle 13 der Schiene 7 gegen die Krempe 14 der Schiene 6 und gleichzeitig die Rolle 13 der Schiene 6 gegen den Boden 9 der Schiene 7 stößt. Dies entspräche der in Fig. 7 als punktierter Umriss 7' dargestellten Stellung der Schiene 7. Wie man sieht, erreicht der erfindungsgemäße Teleskopschienenmechanismus mit minimalem Kostenaufwand eine deutlich verbesserte Präzision der Führung. Fig. 7 illustrates the limits of the pivotal movement freedom in a rotation of the rail 7 in a clockwise direction. The course of the bottom 9 of the rail 7, the in Fig. 6 is shown parallel to each other, is in Fig. 7 shown as a dotted line. From this orientation, the rail 7 is slightly deflected until its role 13 abuts the inside of the brim 14 of the rail 6 and their web 10 abuts against the buffer 15 of the rail 6. If the buffer 15 were missing, the limit of the freedom of pivoting movement would only be reached when the roller 13 of the rail 7 abuts against the rim 14 of the rail 6 and at the same time the roller 13 of the rail 6 against the bottom 9 of the rail 7. This would correspond to the in Fig. 7 as a dotted outline 7 'illustrated position of the rail 7. As you can see, achieved Telescopic rail mechanism according to the invention with minimal cost significantly improved precision of leadership.

Claims (9)

  1. Telescopic rail arrangement comprising two rails (6, 7) which in cross-section have a base (9) and two webs (10, 11) extending from the base (9) and bounding a channel (12) and which carry an engagement element (13) longitudinally movable in the channel (12) of the respective other rail (7, 6), characterised in that at least one of the rails (6, 7) carries a buffer body (15) facing one of the webs (10) of the other rail (7, 6), whereby the freedom for horizontal pivot movement of the rails (7, 6) is very effectively limited in the state of far extension.
  2. Telescopic rail arrangement according to claim 1, characterised in that the other rail (7, 6) also carries a buffer body (15) facing one of the webs (10) of the one rail (6, 7).
  3. Telescopic rail arrangement according to claim 1 or 2, characterised in that the engagement element (13) and the buffer body (15) are each fastened to the same end of the rail (6, 7).
  4. Telescopic rail arrangement according to any one of the preceding claims, characterised in that the rails (6, 7) consist of metal and the buffer body (15) of a plastics material.
  5. Telescopic rail arrangement according to any one of the preceding claims, characterised in that the buffer body (15) has a head facing the web (10) and a post fastened in a bore (16) of the rail (6, 7).
  6. Telescopic rail arrangement according to any one of the preceding claims, characterised in that the engagement element (13) is a roller.
  7. Telescopic rail arrangement according to any one of the preceding claims, characterised in that at least one of the webs (11) of a rail (6, 7) carries a flange (14) opposite the base (9) thereof.
  8. Refrigerating appliance with at least one displaceable carrier (5) for stock to be cooled, characterised in that the carrier (5) for stock to be cooled is held by a telescopic rail arrangement (4) according to any one of the preceding claims.
  9. Refrigerating appliance according to claim 7, characterised in that the carrier (5) for stock to be cooled is placed on two telescopic rail arrangements (4).
EP04708328A 2003-02-05 2004-02-05 Telescopic rail arrangement and refrigerator provided therewith Expired - Lifetime EP1592323B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10304670A DE10304670A1 (en) 2003-02-05 2003-02-05 Telescopic rail arrangement and refrigeration device equipped with it
DE10304670 2003-02-05
PCT/EP2004/001070 WO2004069004A1 (en) 2003-02-05 2004-02-05 Telescopic rail arrangement and refrigerator provided therewith

Publications (2)

Publication Number Publication Date
EP1592323A1 EP1592323A1 (en) 2005-11-09
EP1592323B1 true EP1592323B1 (en) 2011-12-14

Family

ID=32730777

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04708328A Expired - Lifetime EP1592323B1 (en) 2003-02-05 2004-02-05 Telescopic rail arrangement and refrigerator provided therewith

Country Status (9)

Country Link
EP (1) EP1592323B1 (en)
CN (1) CN100435693C (en)
AT (1) ATE536764T1 (en)
BR (1) BRPI0407275A (en)
DE (1) DE10304670A1 (en)
ES (1) ES2375476T3 (en)
PL (1) PL205521B1 (en)
RU (1) RU2373819C2 (en)
WO (1) WO2004069004A1 (en)

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DE202004017136U1 (en) 2004-11-05 2006-03-16 Liebherr-Hausgeräte Ochsenhausen GmbH Telescopic rail system and refrigerator and / or freezer
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RU2445559C1 (en) * 2008-02-29 2012-03-20 Панасоник Корпорейшн Rail guiding device and refrigerator using it
CN101846424B (en) * 2009-03-26 2014-01-22 博西华家用电器有限公司 Household appliance and removable storage container capable of being stored in household appliance
DE202009004225U1 (en) * 2009-03-30 2010-08-19 Grass Gmbh Device for attaching a first furniture part to a guide unit and furniture with a guide unit
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CN102393123B (en) * 2011-09-15 2017-07-14 陈东强 Inner rail for sliding rail of refrigerator
DE102012102028A1 (en) 2012-03-09 2013-09-12 Paul Hettich Gmbh & Co. Kg Fixing device for fixing e.g. plate-shaped element at recess of receiving element, for use in e.g. furniture of vehicle, has receptacles that are respectively provided in holding portions to insert edge of receiving element from behind
CN103388952B (en) * 2013-08-16 2016-06-15 合肥美的电冰箱有限公司 For the refrigerating chamber box liner assembly of refrigerator and the refrigerator with it
CN104567248B (en) * 2013-10-17 2019-07-23 博西华电器（江苏）有限公司 Refrigerating appliance with guide assembly
DE102016218748A1 (en) * 2016-09-28 2018-03-29 BSH Hausgeräte GmbH Rail extension device with two rails and in each case at least one rolling element arranged thereon as well as household refrigeration device with a rail extension device
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Also Published As

Publication number Publication date
PL205521B1 (en) 2010-04-30
CN1747672A (en) 2006-03-15
ATE536764T1 (en) 2011-12-15
RU2373819C2 (en) 2009-11-27
DE10304670A1 (en) 2004-08-19
RU2005124034A (en) 2006-01-27
PL376398A1 (en) 2005-12-27
EP1592323A1 (en) 2005-11-09
WO2004069004A1 (en) 2004-08-19
ES2375476T3 (en) 2012-03-01
CN100435693C (en) 2008-11-26
BRPI0407275A (en) 2006-01-31

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