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EP4110138B1 - Guide coulissant - Google Patents

Guide coulissant Download PDF

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Publication number
EP4110138B1
EP4110138B1 EP21703452.9A EP21703452A EP4110138B1 EP 4110138 B1 EP4110138 B1 EP 4110138B1 EP 21703452 A EP21703452 A EP 21703452A EP 4110138 B1 EP4110138 B1 EP 4110138B1
Authority
EP
European Patent Office
Prior art keywords
pull
rail
support element
guide
middle rail
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.)
Active
Application number
EP21703452.9A
Other languages
German (de)
English (en)
Other versions
EP4110138A1 (fr
Inventor
Waldemar PETKER
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.)
Paul Hettich GmbH and Co KG
Original Assignee
Paul Hettich GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Paul Hettich GmbH and Co KG filed Critical Paul Hettich GmbH and Co KG
Publication of EP4110138A1 publication Critical patent/EP4110138A1/fr
Application granted granted Critical
Publication of EP4110138B1 publication Critical patent/EP4110138B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A47B88/49—Sliding drawers; Slides or guides therefor with double extensible guides or parts
    • A47B88/493—Sliding drawers; Slides or guides therefor with double extensible guides or parts with rollers, ball bearings, wheels, or the like

Definitions

  • the present invention relates to a pull-out guide with a guide rail that can be fixed to a furniture body, a middle rail that is movably mounted on the guide rail and a running rail that is movably mounted on the middle rail and on which a push element can be fixed, at least one support element being arranged between the running rail and the middle rail, which limits rearward lifting of the running rail when the running rail is moved in an extension direction when a tipping point is reached, the support element having a guide part and a support part adjacent thereto and the guide part of the support element being displaceably guided on a guide on the middle rail.
  • the EP 2 779 867 B1 discloses a pull-out guide for a drawer, in which a body rail, a middle rail and a drawer rail are provided, each of which is movably mounted on one another via rolling elements.
  • Two support profiles are arranged on the middle rail as separate structural units, which work together with a rolling element to prevent the running rail from lifting off the middle rail when a tipping point is reached.
  • installing additional support profiles requires considerable effort because they are welded to the center rail.
  • the US 2005/0231083 A1 discloses a pull-out guide in which a roller is fixed to the middle rail, which is gripped under by a running rail.
  • the roller can limit the lifting of the running rail in the rear area when a tipping point is reached, i.e. when the weight forces on the running rail cause lifting in the rear area.
  • the rigid arrangement of the roller in the extension direction has the disadvantage that the support width at the tipping point can be of different lengths.
  • the support width is the distance from the frontmost rolling element between the running rail and middle rail and the support roller in the extension direction. The support width varies as the running rail moves from the closed position to the maximum open position.
  • the position of the tipping point cannot be determined by the manufacturer of the drawer runner, as it depends on the weight of the front panel and the load of the drawer. Therefore it can Especially with short pull-out runners, when a tipping point is reached and a small support width is reached, an abrupt tilting movement occurs on the running rail.
  • GB515899 , GB628939 and JPS4946933U disclose roller guides for rails that can be moved relative to one another.
  • EP 3 153 067 A1 discloses a pull-out guide with rolling elements between rails that can be moved relative to one another and can be locked to one another via a locking mechanism.
  • WO2015/052047 A1 discloses a pull-out guide with rolling element cages and a support element in the form of a roller.
  • At least one support element is arranged on the middle rail, which limits rear lifting when the running rail moves in a pull-out direction when a tipping point is reached, the support element having a guide part and a support part adjacent thereto and the guide part of the support element being displaceable a guide on the middle rail.
  • the support width i.e.
  • the distance between a front rolling element or a front roller between the running rail and the middle rail, and a contact surface on the support element with the running rail viewed in the pull-out direction can be kept relatively large, for example more than 50mm, so that even with one Reaching the tipping point early prevents the running rail from suddenly lowering in the front area.
  • the mobility of the support element can thus be used to increase the support width.
  • the support element is held on the center rail so as to be displaceable in the pull-out direction along a guide in the form of a recess.
  • This allows the support element to be moved relative to the center rail in order to increase the support width.
  • This leads to a compact structure the support element engages in the recess of the center rail and is guided there, so that no additional space is necessary for the guidance.
  • the support element can be guided linearly along the middle rail, but a curved or inclined orientation in relation to the extension direction is also possible in order to counteract the lowering of the running rail in the front area.
  • the support element consists of a guide part and a support part.
  • the guide part and the support part of the support element are arranged adjacently, the guide part at least partially, in particular completely, extending through the recess, while the support part forms a contact surface for the running rail.
  • a support width i.e. a distance viewed in the extension direction, remains essentially constant between a rolling element at the forefront in the extension direction and a contact surface of the support element during an extension movement of the running rail.
  • the support element can be moved relative to the middle rail at essentially half the speed of the running rail, for example together with a rolling element cage.
  • a front rolling element cage with rolling elements and a rear rolling element cage with rolling elements can be arranged between the running rail and the middle rail, the support element preferably being movable together with the rear rolling element cage.
  • the rolling element cage can be mechanically connected to the support element so that the support element is displaced along a guide on the center rail during an extension movement.
  • the support element can also be moved separately from the rolling element cage by other drive means, for example a cable pull of a device for synchronizing the movement of the rails.
  • the support element is designed according to the invention as a rotatable roller.
  • the roller can be mounted on an axle that engages in a slot-shaped guide on the center rail.
  • the axis of the roller can be aligned horizontally in the mounted position and perpendicular to the pull-out direction.
  • the running rail can, for example, be U-shaped or C-shaped in cross section with legs projecting downwards, with an inwardly projecting web being formed on at least one leg, which engages under the support element. This means that tipping protection can be implemented using simple means in a compact design.
  • At least two support elements are arranged on the middle rail and are provided on opposite sides of the middle rail.
  • the support element can lie in a rear area of the center rail when the center rail is fully inserted, in particular in a rear area of less than 40% of the center rail length in relation to the longitudinal direction.
  • the support element can be arranged in a rear area greater than 40% of the center rail length.
  • a pull-out guide 1 comprises a guide rail 2, a middle rail 3 and a running rail 4, which can each be moved relative to one another and are preferably made from a bent sheet steel.
  • the guide rail 2 has an angular design with a leg 20, which can be fixed to a wall of a furniture body or a household appliance, and an angled support leg 21, on which several raceways 22 for the first front and rear rolling elements 6 and 8 in the first front and rear rolling element cages 5 and 7 are formed.
  • a first front rolling element cage 5 with first front rolling elements 6 and a first rear rolling element cage 7 with first rear rolling elements 8 are provided, the first front and rear rolling elements 6 and 8 being designed as cylinders in the exemplary embodiment shown, but also as Spheres, barrels or other geometry can be used.
  • the middle rail 3 can be moved relative to the guide rail 2 via the first front and rear rolling elements 6 and 8, a second front rolling element cage 9 with second front rolling elements 10 and a second rear rolling element cage 11 with second rear rolling elements 12 being arranged on the central rail 3, which are used for movable storage of the running rail 4 on the middle rail 3.
  • a push element for example a drawer, can be fixed on the running rail 4.
  • a ramp 16 is embossed in the front area of the running rail 4, which cooperates with a rotatably mounted roller 15 on the middle rail 3 in order to support the running rail 4 in the retracted position on the roller 15 and thus reduce the load on the rolling elements 10, which is too could lead to flattening.
  • the ramp 16 and the roller 15 can be omitted.
  • a support element 13 in the form of a roller is also provided on the middle rail 3 and can be displaced along a guide 14, which is designed here as an elongated hole.
  • the support element 13 consists of a support part 19, a guide part 23 and an axis 17.
  • the components 17, 19 and 23 can also be designed integrally in a single component.
  • the support element 13 can also be designed as a plain bearing.
  • Fig. 3A The running rail 4 has not been shown.
  • the support element 13 is located in the retracted position of the pull-out guide 1 at one end of the guide 14.
  • a driver 18 is formed, which lies behind the support element 13 in the longitudinal direction of the middle rail 3 and can move the support element 13 along the guide 14 when moving in the pull-out direction.
  • the support element 13 is located in the form of the roller between the running rail 4 and the guide rail 3.
  • An axis 17 of the roller passes (partially) through the middle rail 3 and has a widened end section which is on the The side opposite the roller prevents the axis 17 from being pulled out and serves as a guide part 19.
  • the running rail 4 is C-shaped in cross section and has downwardly projecting legs 41, on each of which an inwardly projecting web 42 is formed.
  • the web 42 engages under the support element 13 and can prevent the running rail 4 from being raised from the back if a tipping point is reached and a rearward lifting would occur due to the weight forces on the running rail 4.
  • a middle horizontal section 40 of the running rail 4 rests on an upper cylindrical rolling body 10 in a rolling body cage 9, which rolls on the underside on a horizontal middle section 30 of the middle rail 3.
  • the middle rail 3 is essentially U-shaped in cross section and has two downwardly projecting legs 31, with an outwardly projecting web 32 being formed on the leg 31 with the support element 13. On the opposite side, an inwardly projecting web 33 is formed on the leg 31, which engages under a section 22 of the guide rail 2, so that the middle rail 3 can also be secured against being lifted backwards.
  • FIGS 5A to 5C the pull-out guide 1 is shown in a middle pull-out position.
  • Figures 5B and 5C show the pull-out guide 1 without the running rail 4. It can be seen that the running rail 4 was moved to the left via the movement of the rolling elements 10 and 12 in the second front and rear rolling element cages 9 and 11.
  • the support element 13 was moved on the second rear rolling element cage 11 using the driver 18 and is now arranged in a central region of the guide 14.
  • the support width L between the retracted position and the middle extended position remained constant.
  • the support width L is proportional to the length of the running rail 4.
  • the support width L is preferably more than 40 mm over the entire travel path of the running rail, for example between 60 mm and 100 mm.
  • a support width between 70 mm and 90 mm is particularly preferred because this means that lowering of the running rail 4 can be reduced by optimizing leverage ratios.
  • the pull-out guide 1 is shown in a fully extended position, where the running rail 4 rests against a stop.
  • the support element 13 is moved to the end position along the guide 14, with the support width L between the second front rolling body 10 and the support element 13 also in this position essentially corresponding to the support width L in the other extension positions, i.e. has essentially not changed.
  • the support element 13 is moved again along the guide 14 into the starting position.
  • the support element 13 can be connected to the second rear rolling element cage 11 be connected, for example via a cable.
  • the support element 13 is designed as a roller that can roll on the web 42 of the running rail 4 in order to keep the frictional forces low. It is possible to provide a support element 13 on opposite sides of the running rail 4, i.e. on both webs 42.
  • the guide 14 does not have to run exclusively linearly in the extension direction, but can also be curved or inclined, for example to counteract a lowering of the running rail 4 in the front area.
  • cylindrical rolling elements 6, 8, 10 and 12 are used. It is of course also possible to design the geometry of the rolling elements differently, in particular as barrels or balls. In addition, the arrangement and number can be varied.
  • another mechanical drive element can be used, for example a gear with a rack, with a relative movement of the running rail 4 to the middle rail 3 ensuring a movement of the support element 13 along the middle rail 3.
  • the axis 17 is formed as a separate component on the support element 13, which is designed as a roller. It is also possible to design the roller and the axle 17 in one piece.

Landscapes

  • Drawers Of Furniture (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Claims (14)

  1. Guide d'extraction (1) avec un rail de guidage (2) pouvant être fixé sur un corps de meuble, un rail central (3) monté de manière mobile sur le rail de guidage (2) et un rail de roulement (4) monté de manière mobile sur le rail central (3), sur lequel peut être fixé un élément de poussée, une première cage de corps de roulement avant (5) avec des premiers corps de roulement avant (6) et une première cage de corps de roulement arrière (7) avec des premiers corps de roulement arrière (8) étant prévues sur le rail de guidage (2), le rail central (3) pouvant être déplacé par rapport au rail de guidage au-dessus des premiers corps de roulement avant et arrière (6, 8) et une deuxième cage de corps de roulement avant (9) avec des deuxièmes corps de roulement avant (10) et une deuxième cage de corps de roulement arrière (11) avec des deuxièmes corps de roulement arrière (12) étant disposées sur le rail central (3), qui servent au montage mobile du rail de roulement (4) sur le rail central (3), au moins un élément de support (13) étant disposé de manière mobile sur le rail central entre le rail de roulement (4) et le rail central (3), élément qui, lors d'un déplacement du rail de roulement (4) dans une direction d'extraction, limite un soulèvement arrière du rail de roulement (4) lorsqu'un point de basculement est atteint, où l'élément de support (13) présente une partie de guidage (23) et une partie de support (19) voisine de celle-ci, l'élément de support (13) étant réalisé sous forme de rouleau logé de manière rotative séparément de la deuxième cage de corps de roulement arrière (11) avec les deuxièmes corps de roulement arrière (12), caractérisé en ce que la partie de guidage (23) de l'élément de support (13) est guidée de manière déplaçable sur un guide (14) sur le rail central (3) .
  2. Guide d'extraction selon la revendication 1, caractérisé en ce que le guide (14) est formé par un évidement dans le rail central (3).
  3. Guide d'extraction selon la revendication 1 ou 2, caractérisé en ce que la partie de guidage (23) et la partie de support (19) de l'élément de support (13) sont disposées de manière adjacente et sont reliées l'une à l'autre de manière à être traversées par le guide (14).
  4. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce qu'une distance d'appui (L) entre un deuxième élément de roulement avant (10) le plus en avant dans la direction d'extraction entre le rail central (3) et le rail de roulement (4) et une surface de contact de l'élément de support (13) dans la direction d'extraction reste sensiblement constante lors d'un mouvement d'extraction.
  5. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (13) est guidé en coulissement dans la direction d'extraction avec un autre composant (11) mobile par rapport au rail central (3), l'élément de support (13) absorbant dans le guide (14) un couple de basculement de la partie de support (19) pendant le coulissement.
  6. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (13) est disposé séparément de la deuxième cage d'éléments roulants avant (9) avec des deuxièmes éléments roulants avant (10) et de la deuxième cage de corps de roulement arrière (11) avec des deuxièmes éléments roulants arrière (12) entre le rail de roulement (4) et le rail central (3), et l'élément de support (13) est mobile conjointement avec la deuxième cage de corps de roulement arrière (11).
  7. Guide d'extraction selon la revendication 6, caractérisé en ce que l'élément de support (13) est déplacé de manière synchronisée avec la deuxième cage de corps de roulement arrière (11), par exemple au moyen d'un câble.
  8. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que le galet comporte un axe (17), l'axe (17) traversant le guide (14) en forme de fente sur le rail central (3).
  9. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'axe du galet est orienté horizontalement et perpendiculairement à la direction d'extraction en position montée.
  10. Guide d'extraction selon l'une des revendications précédentes, caractérisée en ce qu'une entretoise (42) est formée sur le rail de roulement (4), qui s'engage sous l'élément de support (13).
  11. Guide d'extraction selon l'une des revendications précédentes, caractérisée en ce que le rail de roulement (4) est réalisé en forme de C en section transversale avec des branches (41) faisant saillie vers le bas, une entretoise (42) faisant saillie vers l'intérieur étant formée sur au moins une branche (41) et s'engageant sous l'élément de support (13).
  12. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que au moins deux éléments de support (13) opposés sont disposés sur le rail central (3).
  13. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (13), lorsque le rail central (3) est complètement inséré, se trouve dans une zone du rail central (3) située à l'arrière, inférieure à 40% de la longueur du rail central.
  14. Guide d'extraction selon l'une des revendications précédentes, caractérisé en ce que l'élément de support (13) se trouve dans une zone située à l'arrière supérieure à 40% de la longueur du rail central lorsque le rail central (3) est complètement extrait.
EP21703452.9A 2020-02-27 2021-02-04 Guide coulissant Active EP4110138B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020105225.1A DE102020105225A1 (de) 2020-02-27 2020-02-27 Auszugsführung
PCT/EP2021/052689 WO2021170366A1 (fr) 2020-02-27 2021-02-04 Guide coulissant

Publications (2)

Publication Number Publication Date
EP4110138A1 EP4110138A1 (fr) 2023-01-04
EP4110138B1 true EP4110138B1 (fr) 2023-12-27

Family

ID=74553838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21703452.9A Active EP4110138B1 (fr) 2020-02-27 2021-02-04 Guide coulissant

Country Status (4)

Country Link
EP (1) EP4110138B1 (fr)
CN (1) CN115003194B (fr)
DE (1) DE102020105225A1 (fr)
WO (1) WO2021170366A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116763074A (zh) * 2023-06-15 2023-09-19 江西金的德塑料制品有限公司 一种用于收纳装置的导轨及收纳装置
DE102023130065A1 (de) * 2023-10-31 2025-04-30 Paul Hettich Gmbh & Co. Kg Auszugsführung und Verfahren zur Montage einer Auszugsführung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015052047A1 (fr) * 2013-10-07 2015-04-16 Paul Hettich Gmbh & Co. Kg Guide d'extraction pour éléments de meubles mobiles

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB515899A (en) * 1938-06-14 1939-12-18 Art Metal Construction Co Improvements in and relating to sliding drawers
GB628939A (en) * 1947-10-01 1949-09-07 Rubery Owen & Co Ltd Filing and like cabinets
JPS4946933U (fr) * 1972-07-29 1974-04-24
AT326302B (de) 1972-11-24 1975-12-10 Kumepa Patent Gmbh Ets Einfachauszug für schubladen
CN1530054A (zh) 2000-01-14 2004-09-22 ������˹����¬ķ���޹�˾ 用于抽屉的拉动导轨配件
US6848759B2 (en) 2002-04-03 2005-02-01 Illinois Tool Works Inc. Self-closing slide mechanism with damping
US20050231083A1 (en) 2004-04-15 2005-10-20 Garcie Kent C Jr Undermount drawer slide
JP4577034B2 (ja) * 2005-02-10 2010-11-10 パナソニック電工株式会社 格納ボックスにおける引出し体の駆動支持構造
MY139426A (en) * 2005-02-21 2009-09-30 Harn Marketing Sdn Bhd Drawer guide rail assembly
MY146313A (en) 2005-10-11 2012-07-31 Harn Marketing Sdn Bhd Sliding guide rail system for a drawer
DE102008053504B4 (de) * 2008-10-28 2023-01-26 Paul Hettich Gmbh & Co. Kg Auszugsführung für Möbel
AT511589B1 (de) 2011-11-16 2013-01-15 Blum Gmbh Julius Ausziehführung für eine schublade
DE102013102944B4 (de) * 2012-10-12 2024-05-16 Paul Hettich Gmbh & Co. Kg Auszugsführung
DE102014119729B4 (de) * 2014-12-30 2024-04-11 Paul Hettich Gmbh & Co. Kg Linearführung für bewegbare Teile von Möbeln, Haushaltsgeräten oder dergleichen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015052047A1 (fr) * 2013-10-07 2015-04-16 Paul Hettich Gmbh & Co. Kg Guide d'extraction pour éléments de meubles mobiles

Also Published As

Publication number Publication date
EP4110138A1 (fr) 2023-01-04
WO2021170366A1 (fr) 2021-09-02
CN115003194A (zh) 2022-09-02
CN115003194B (zh) 2025-08-26
DE102020105225A1 (de) 2021-09-02

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