EP3035823B1 - Guide d'extraction - Google Patents

Guide d'extraction Download PDF

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Publication number
EP3035823B1
EP3035823B1 EP14747504.0A EP14747504A EP3035823B1 EP 3035823 B1 EP3035823 B1 EP 3035823B1 EP 14747504 A EP14747504 A EP 14747504A EP 3035823 B1 EP3035823 B1 EP 3035823B1
Authority
EP
European Patent Office
Prior art keywords
pull
guide rail
roller
web
roller carrier
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
EP14747504.0A
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German (de)
English (en)
Other versions
EP3035823A1 (fr
Inventor
Wolfgang Müller
Edwin Grübel
Adis CAUSEVIC
Karl Raid
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.)
Fulterer AG and Co KG
Original Assignee
Fulterer GmbH
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 Fulterer GmbH filed Critical Fulterer GmbH
Publication of EP3035823A1 publication Critical patent/EP3035823A1/fr
Application granted granted Critical
Publication of EP3035823B1 publication Critical patent/EP3035823B1/fr
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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
    • 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

Definitions

  • the invention relates to a pull-out guide for extracting a pull-out furniture part from a furniture body in a pull-out direction, comprising at least a first guide rail and a second guide rail, which are mutually displaceable and of which the second guide rail has at least one U-shaped area in cross-section, which is formed by a section of a base web of the second guide rail, an edge web of the second guide rail, which has a free longitudinal edge, and a connecting web or catwalk of the second guide rail connecting the base web to the edge web, wherein for mutually displacing the guide rails on the second guide rail at least a roller carrier is pivotally mounted about a pivot axis, of which at least a part lies between the base web and the edge web and on which at least two rollers are rotatably mounted about axes, wherein the pivotable Storage of the roller carrier on the second guide rail of the roller carrier in opposite directions projecting first and second axle journal, of which the first axle pin engages in a formed in the base web window opening.
  • Roller pull-out guides for pull-out furniture parts, such as drawers, have become known in various designs.
  • Roller pull-out guides for example, are known in which rollers which are used for displacing the guide rails are rotatably mounted on the guide rails about axes which are stationary relative to them.
  • roller Differentialauszieh Entryen the high Running culture, all rollers can be rotatably mounted on the central guide rail.
  • roller differential extension guides go out of the AT 391603 B and WO 2008/119091 A1 show, wherein various modified versions of such roller differential extension guides have become known.
  • roller extension guides are the so-called Teleskopauszieh arrangementen, in which on all guide rails load-transmitting rollers are rotatably mounted. If more than two mutually displaceable guide rails are provided in such a telescopic extension for realizing a full extension or overdraw, the guide rails are extended without further action when pulling out of the carcass rail successively. Partially also Mit recruitingrollen are used to achieve a synchronous operation of the guide rails, such as in the AT 392 883 B described.
  • Pull-out guides should occupy the smallest possible space in view of the loss of space for the pull-out furniture part.
  • a thin-walled design of the guide rails is of importance in the following.
  • the weight load caused by the pull-out furniture part causes a high bending moment on the guide rails. It is thus faced with the requirements to make the space occupied by the pull-out as small as possible and the material thickness of Ausziehschienen as low as possible, but this bend of the guide rails under load to keep low, so it to no strong Lowering the pull-out furniture part when pulling out or even a breakage of a guide rail comes.
  • pull-out guides for heavy loads also referred to as heavy-duty pull-outs.
  • Such can be designed, for example, for a maximum load, which is at least 1000 N per pull-out guide (with a pull-out guide being provided on both sides of the pull-out furniture part, ie the gross weight of the pull-out furniture part, including the load, can be up to 200 kg).
  • profile shapes for a high moment of resistance against bending in the vertical direction have high proportions of material in upper and lower regions.
  • Particularly favorable designed profile shapes result from bent sheets with material accumulations in the top and bottom, in particular, these are the known, in cross-section C-shaped profile shapes.
  • a pull-out of the type mentioned goes out of the DE 1 988 330 U out. It is shown therein an embodiment in which two rollers are rotatably mounted on a central guide rail of the pull-out guide on a roller carrier, which is pivotable about a pivot axis stationary to the central guide rail.
  • the acting load is therefore divided between the two rollers, so that each of these rollers can be formed with a smaller diameter and / or a smaller width, whereby a space saving is made possible.
  • the roller carrier is arranged in a U-shaped region of the central guide rail.
  • This U-shaped area is formed by a lower portion of a vertical base web, a protruding at the lower end of the base web connecting web and an upwardly projecting from the connecting web edge web of the central guide rail.
  • an axle pin is provided which in aligned, circular holes or
  • edge web is significantly weakened by this hole. Seen in a cross-section extending through this bore, there is a substantial reduction in the length over which (on both sides of the bore) material of the edge web is present. This weakening takes place precisely in the area of the introduction of force from the roller carrier into the edge web. By summing the resulting from the introduction of force into the edge web tensions with stresses that result from the deflection of the guide rail and a torsion of the guide rail, the risk of breakage increases in this area or must be large enough due to this vulnerability, the entire leadership.
  • the object of the invention is to provide an advantageous pull-out of the type mentioned, in which high loads can be accommodated at a relatively low erfoderlichen space and relatively low material usage. According to the invention, this is achieved by a pull-out guide with the features of claim 1.
  • the roller carrier on which at least two rollers are rotatably mounted and of which at least part lies between the base web and the edge web, in opposite directions projecting first and second axle journals.
  • first journal engages a window opening formed in the base land, i. in a circumferentially bounded by the material of the base web opening in the base web.
  • the second journal rests on the bottom of a recess of the longitudinal edge of the edge web.
  • the edge web is therefore not provided with a window opening, in which engages the second axle journal, but rather has at its free longitudinal edge a recess for the axle journal.
  • the inventive construction a relatively large length over which extends the material of the edge web of the second guide rail seen in cross section through the second guide rail, can be achieved, so that the Load capacity of the pull-out is increased or the dimensions of the pull-out can be reduced.
  • the second axle journal is advantageously convexly curved toward the bottom of the recess in a side view parallel to the pivot axis of the roller carrier.
  • the bottom of the recess could also be convexly curved towards the axle journal.
  • the radius of curvature of the second journal and / or the bottom of the recess in a side view parallel to the pivot axis of the roller carrier is advantageously substantially larger than the depth of the recess measured at right angles to the withdrawal direction and at right angles to the pivot axis of the roller carrier, preferably at least five times larger. more preferably at least ten times larger.
  • a particularly advantageous embodiment provides that the radius of curvature of the second journal and / or the bottom of the depression in a side view seen parallel to the pivot axis of the roller carrier at least three times, preferably at least five times, the diameter of the first and second rotatable on the roller carrier stored rollers.
  • the first axle journal is conveniently curved towards the edge of the window opening, on which it rests, convexly curved.
  • the edge of the window opening, on which the first axle journal rests could be convexly curved towards the axle journal.
  • the radius of curvature of the first journal or the radius of the window opening is advantageously at least twice as large, more preferably at least three times greater than the extent of the window opening perpendicular to the pivot axis of the roller carrier and at right angles to the direction of withdrawal.
  • a particularly advantageous embodiment of the invention provides that the radius of curvature of the first Achszapfens and / or the edge of the window opening on which rests the first journal, at least three times, more preferably at least five times, the diameter of the rollers mounted on the first and second rollers is.
  • the roller carrier on the side on which projects the second journal, for supporting the roller carrier on the second guide rail has a protruding securing projection, which bears against an edge of a further window opening in the second guide rail.
  • the roller carrier hereby engages with the second axle journal and the securing projection a portion of the second guide rail. The roller carrier is thereby secured against unintentional release of the second guide rail, in particular during assembly and disassembly of the pull-out guide, when the guide rails are at least partially not inserted into each other.
  • the pull-out guide To improve the running properties of the pull-out guide in the case of a load acting laterally on the pull-out guide, ie an acting force that has at least one component directed parallel to the pivot axis of the roll carrier, it may be provided to additionally support at least one side guide roll rotatably on the roll carrier. Their axis is angled, preferably perpendicular, to the axes of the first and second rollers and perpendicular to the withdrawal direction.
  • the unit comprising the roller carrier and the rotatably mounted on this rollers and optionally the at least one side guide roller is referred to in this document as a luffing truck.
  • the pivot axis of the roller carrier which is parallel to the axes of the first and second rollers, seen in a side view in the direction of the pivot axes, spaced from an imaginary line connecting the axes of the first and second rollers. It is advantageous if the pivot axis relative to this imaginary connecting line in the direction of an abutment side of the first and second rollers, where they roll on a track of the pull-out, is offset.
  • roller carrier is arranged in the region of the front third of the second guide rail relative to the pull-out direction, and the first guide rail has a horizontal web which rests on the rollers rotatably mounted by the roller carrier.
  • the pull-out guide has, in addition to the first guide rail, which is fastened to the pull-out furniture part and from which the second guide rail can be pulled out, a third guide rail which can be fastened to the furniture carcass and from which the second guide rail can be pulled out.
  • a cooperating with these horizontal webs roller which is also referred to as a differential role.
  • roller carrier is mounted in the region of the withdrawal direction relative to the middle third of the second guide rail about the pivot axis of this and the rotatably mounted on the roller carrier rollers support the horizontal web of the first guide rail against tilting upwards.
  • the first and second journals of the roller carrier may favorably have a certain play in the direction of the pull-out direction with respect to the window opening in the base web and the recess of the longitudinal edge of the edge web, thereby preventing or at least transferring moments about the pivot axis of the roller carrier to the profile of the second guide rail can be reduced.
  • the pull-out guide comprises a first guide rail 1 which can be fastened to an extendable furniture part, for example a drawer.
  • the first guide rail 1 can be pulled out in a pull-out direction 4 from a second guide rail 2 via a displacement path and against the pull-out direction 4 in the second guide rail 2 inserted.
  • the second guide rail 2 is in the Extraction direction 4 extendable via a displacement of a third guide rail 3 and against the pull-4 in the third guide rail can be inserted, which is attachable to a furniture body.
  • the first guide rail 1 can also be referred to here as a pull-out rail or drawer rail, the second guide rail 2 as a middle rail and the third guide rail 3 as a carcass rail.
  • the pull-out guide of this embodiment is a roller pull-out guide in the form of a differential pull-out, in which all the rollers are arranged on the second guide rail 2 (directly on the profile of the guide rail or indirectly via a pivotable roller carrier, as described below).
  • the second guide rail 2 moves at the same time with half the speed of the first guide rail 1 in the pull-out 4.
  • a load-bearing differential roller 5 is rotatably supported with play on the second guide rail 2 in a conventional manner ,
  • the differential roller 5 rolls between a track of the first guide rail 1 and a raceway of the third guide rail 3 and from the first guide rail 1, a force on the differential roller 5 is transmitted directly to the third guide rail 3 (without power transmission via the axis of the differential roller 5 on the Profile of the second guide rail 2).
  • the first guide rail 1 has an upper horizontal web 6, which is formed with a flanged edge and having on its underside the track for the differential roller 5, one connected to the upper horizontal web 6 vertical web 7 and one of the vertical web 7 in the opposite direction as the upper horizontal web 6 protruding lower horizontal web 8 to support the pull-out furniture part. Holes, fastening straps, fastening hooks or The like are not shown for the sake of simplicity. The connection could also be made by welding.
  • the lower horizontal web 8 could also be omitted and the extendable furniture part can be attached directly to the vertical web 7.
  • the attachable to the furniture body third guide rail 3 has a cross-sectionally C-shaped cross-section with a vertical web 9 and at the top and bottom of these projecting upper and lower horizontal webs 10, 11 with flanged, mutually facing edges.
  • the second guide rail 2 comprises a base web 12, which preferably lies at least partially, in particular at least for the most part, parallel to a vertical plane.
  • An upper portion of the base web 12, together with an upper connecting web 13 and an upper edge web 14 an upper, in cross section through the second guide rail 2 ( in section perpendicular to the withdrawal direction 4) seen U-shaped portion of the second guide rail 2, the down is open.
  • the upper edge web 14 has at its lower end a free longitudinal edge 15, which extends parallel to the pull-4.
  • the lower edge web 17 has at its upper end a free, parallel to the withdrawal direction 4 longitudinal edge 18th
  • the guide rails 1, 2, 3 consist of a sheet metal, in particular steel sheet, as a base material.
  • the material thickness of the first guide rail 1 is preferably in the range of 1 mm to 2.5 mm.
  • the webs of the guide rails are advantageously formed by bending operations or by profiling.
  • a middle luffing carriage 50 of the second guide rail 2 is arranged.
  • substantially stationary means that only a small play, preferably of less than 2 mm, is parallel to the pull-out direction 4 is present.
  • first and second rollers 21, 22 about the roller carrier 19 stationary axes 23, 24 rotatably mounted, which roll at least over part of the displacement path on a track of the first guide rail 1.
  • the axes 23, 24 are parallel to the pivot axis 20 and at right angles to the withdrawal direction. 4
  • a part of the roller carrier 19 is located in the intermediate space between the base web 12 and the upper edge web 14, ie in the upper U-shaped region of the second guide rail 2.
  • the first and second rollers 21, 22 pass through a window opening 25 of the second guide rail 2, which at least over a portion of the measured in the direction of the axes 23, 24 width of the upper connecting web 13 extends.
  • the window opening 25 extends into a section of the upper edge web 14 adjoining the upper connecting web 13.
  • rollers 21, 22 cooperate with the upper side of the upper horizontal web 6 of the first guide rail 1.
  • the load acting on the middle rocker truck 50 during operation thus acts upward.
  • first and second axle journals 26, 27 For the pivotable mounting of the roller carrier 19 about the pivot axis 20, the roller carrier 19 on opposite sides projecting first and second axle journals 26, 27.
  • the first journal 26 protrudes into a window opening 28 in the base web 12, which has a deviating from the circular boundary edge.
  • the first and second axle journals 26, 27 have cross-sectional shapes deviating from the circular shape.
  • the first journal 26 has a bearing on the edge of the window opening 28 support surface 30.
  • the support surface 30 is seen in a side view at right angles to the withdrawal direction 4 and parallel to the pivot axis 20 to the edge of the window opening 28 on which it rests, convexly curved, see , especially Fig. 20
  • the second journal 27 has a resting on the bottom of the recess 29 bearing surface 31.
  • the support surface 31 is seen in a side view at right angles to the withdrawal direction 4 and parallel to the pivot axis 20 to the bottom of the recess 29 convexly curved, see. especially FIGS.
  • the curvatures of the support surfaces 30, 31 are shown in the figures heavily overdrawn in order to make them visible for clarity.
  • the actual radii of curvature are, for example, in the range between 5 cm and 20 cm. They are therefore larger than the diameter of the rollers 21, 22, which may for example be in the range of 15mm to 40mm.
  • a relatively low surface pressure can be achieved. Nevertheless, this can be achieved by the formation of the axle journals 26, 27, in which connect to the bearing surfaces 30, 31 sections with larger curvatures, only a relatively small weakening of the upper edge web 14, but also the base web 12.
  • the depth of the recess 29 in the direction perpendicular to the withdrawal direction 4 and measured perpendicular to the pivot axis 20 is less than the radius of curvature of the support surface 31.
  • the depth of the recess 29 is in the range of 0.5mm to 4mm.
  • the size of the window opening 28 in the direction perpendicular to the withdrawal direction 4 and measured perpendicular to the pivot axis 20 is less than the radius of curvature of the support surface 30.
  • the size of the window opening 28 measured in said direction is in the range of 5mm to 15mm.
  • the edge of the window opening 28, against which the support surface 30 rests and the bottom of the recess 29, on which the contact surface 31 rests, are flat in the embodiment shown. Conceivable and possible would be a reverse training, in which in a side view at right angles to Extraction direction 4 and seen in the direction of the pivot axis 20, the edge of the window opening 28 on which abuts the contact surface 30 to the contact surface 30 is convexly curved and the contact surface 30 is flat and / or the bottom of the recess to the contact surface 31 is convexly curved and the contact surface 31 is formed flat. Curvatures of both abutting parts in the respective abutment region are conceivable and possible in order to form a pivot axis 20 and in this case to achieve the largest possible contact surface.
  • the possible pivot angle of the roller carrier 19 about the pivot axis 20 may be relatively small, for example in the range of less than 5 °, preferably in the range of less than 3 °.
  • the edges of the recess 29 form stop surfaces for limiting the displaceability of the second journal 27 in parallel to the withdrawal direction 4.
  • a displaceability of the first journal 26 is limited parallel to the withdrawal direction 4 of edges of the window opening 28.
  • the axle journals 26, 27 in this case have only a slight play relative to the second guide rail 2 parallel to the withdrawal direction 4, which is preferably less than 1 mm, particularly preferably less than 0.5 mm.
  • the pivot axis 20 Seen in a side view at right angles to the withdrawal direction 4 and parallel to the pivot axis 20, the pivot axis 20 of an imaginary line connecting the axes 23, 24 at a distance.
  • the pivot axis 20 is in this case offset relative to this imaginary connecting line in the direction of the track on which the rollers 21, 22 roll.
  • the offset is favorably at least 10% of the diameter of the rollers 21, 22nd
  • the roller carrier 19 In order to secure the roller carrier 19 against falling out when the first guide rail 1 is removed from the pull-out guide, the roller carrier 19 is provided with a securing projection 32. This gets up from the roller carrier 19 the same side as the second journal 27 and is hereby spaced from the second journal 27 with respect to the direction perpendicular to the withdrawal direction 4 and perpendicular to the pivot axis 20.
  • the securing projection 32 rests against the window opening 25 at the edge of the window opening 25, wherein the roller carrier 19 engages around a section of the upper edge web 14 of the second guide rail 2 with the second axle journal 27 and the securing projection 32.
  • the edge web 14 may possibly be pressed in the area subsequent to the window opening 25 after insertion of the middle rocker wagon 50, so be plastically deformed to bring the securing projection 32 to rest against the edge of the window opening 25.
  • the backup projection 32 - when using a bendable cast material or when using a plastic - deform elastically when inserting, so that the luffing truck 50 is snapped.
  • the roller carrier 19 is formed as a one-piece casting of metal or as a one-piece plastic injection molded part with cast axle pin 26, 27 and molded axle pins, which form the axes 23, 24 for the rollers 21, 22.
  • the axles 23, 24 forming axle pins could possibly also be formed by separate parts and, for example, be riveted.
  • a side guide roller 33 is rotatably mounted in the embodiment further below.
  • Their axis 34 is perpendicular to the withdrawal direction 4 and perpendicular to the axes 23, 24 of the rollers 21, 22.
  • the side guide roller 33 cooperates with a track of the third guide rail 3. This is formed in the embodiment of the flanging of the upper horizontal web 10 of the third guide rail 3.
  • luffing truck is arranged in the region of the front end of the second guide rail 2.
  • This front luffing carriage 51 is formed apart from the differences mentioned below in an analogous manner as the middle luffing carriage 50 and with the second guide rail. 2 connected and the parts of the front tipper carriage 51 are therefore provided with the same reference numerals as those of the central rocker truck 50.
  • roller carrier 19 of the front tipper truck 51 On the roller carrier 19 of the front tipper truck 51 about axes 23, 24 rotatably mounted rollers 21, 22 of the upper horizontal web 6 of the first guide rail 1 is located on. In contrast to the central luffing carriage 50, the load acting on the front luffing carriage 51 during operation thus acts downwards.
  • the second journal 27 rests on the bottom of a recess 35, which is introduced into the upwardly directed longitudinal edge 18 of the lower edge web 17 of the second guide rail 2.
  • the first axle journal 26 in turn engages in a window opening 37 in the base web 12.
  • the formation of the pivot axis 38 for the roller carrier 19 of the front tipper carriage 51, which in turn is perpendicular to the withdrawal direction 4 and parallel to the axes 23, 24 of the rollers 21, 22, by means of curved support surfaces 30, 31 and / or a curved bottom of the recess 35th or a curved edge of the window opening 37, on which the support surface 30, 31 rests, is completely analogous to the formation of the pivot axis 20 of the roller support 19 of the middle rocker truck 50 and need not be repeated at this point.
  • the curvatures of the bearing surfaces 30, 31 are shown greatly oversubscribed over preferred embodiments of these curves.
  • the roller carrier 19 of the front tipper carriage 21 is here partially in the lower U-shaped region of the second guide rail 2, which is formed by a lower portion of the base web 12, the lower connecting web 16 and the lower edge web 17.
  • a securing projection corresponding to the securing projection 32 of the roller support 19 can be provided middle rocker 50 for Holder of the roller carrier 19 in the removed state of the first guide rail 1 omitted.
  • rollers 21, 22 have different diameters.
  • the second roller 22 protrudes from the U-shaped portion of the second guide rail 2 formed by the lower portion of the base web 12, the lower connecting web 16 and the lower edge web 17 above. Due to the smaller diameter of the second roller 22 than the first roller 21, the second roller 22 has a lower portion within this U-shaped area and no recess for weakening the second guide rail 2 is required to pass the lower edge of the second roller 22.
  • the first roller 21 could also be formed with the same diameter as the second roller 22 or could be provided for the second roller 22 has a recess in the lower connecting web 16 of the second guide rail 2.
  • roller carrier 19 of the front tipper carriage 51 differs from the roller carrier 19 of the middle tipper carriage 50 for adaptation to the insert in the front tipper carriage 51.
  • the use of a whip carriage 51 having at least two rollers 21, 22 is particularly advantageous to support the upper horizontal web 6 of the first guide rail 1 over a larger area of its longitudinal extent.
  • the locally strongest load on the first guide rail 1 occurs during operation in the region of the support of the upper horizontal web 6 by the rollers 21, 22 of the front rocker 51.
  • the dimensioning of the material thickness of the first guide rail 1 is thus determined by this load. If only a single, rotatably mounted on the second guide rail 2 roller would be used instead of the front rocker 51, so the first guide rail 1 would have to be formed with a much larger material thickness.
  • roller carrier 19 of the front tipper carriage 51 preferably made of a plastic material, as in FIGS. 29 to 32 shown.
  • the roller carrier 19 of the front tipper carriage 51 seen in the direction of the axes 23, 24 of the rollers 21, 22 seen on both sides of the rollers 21, 22 lying leg, which seen by in the pull-4 before the front and behind the rear roller 21, 22 lying Connecting webs are connected.
  • a connecting leg connecting the two legs available is advantageously a connecting leg connecting the two legs available.
  • the journals are integrally formed on both sides of one or both rollers 21, 22 in one piece. The rollers 21, 22 can then be used with slight spreading of the legs of the roller carrier 19 and are held by the spring back of the material of the roller carrier 19.
  • the frame-shaped design also offers the advantage under load that the power flows within the part are more uniform (the axle loads are diverted on both sides) and such a part can preferably be made of a plastic.
  • a version as a sheet steel part (deep-drawn part or bent part) made of thin sheet steel is possible with a similar configuration.
  • a rear luffing carriage 52 In the area of the rear end of the second guide rail 2, a rear luffing carriage 52 is provided in the embodiment, the support for the second guide rail 2 up against the underside of the upper horizontal web 10 of the third guide rail 3 in the extended state of Pull-out guide is used. Due to the lever ratios, the forces acting on the rear luffing carriage 52 are significantly less than the forces acting on the central luffing carriage 50. Instead of the rear tipper carriage 52 could thus possibly at this point a single in the second guide rail 2 rotatably mounted roller can be used.
  • first and second rollers 40, 41 are rotatably mounted about axes which are perpendicular to the withdrawal direction 4 and parallel to the pivot axis 42 about which the roller carrier 39 is pivotally mounted relative to the second guide rail 2.
  • the rollers 40, 41 cooperate with the underside of the upper horizontal web 10 of the third guide rail 3.
  • a window opening 45 is provided in the second guide rail 2, which extends over at least a part of the upper connecting web 13 of the second guide rail 2, in the embodiment also via an adjoining the upper connecting web 13 portion of the upper edge web 14 and one to the upper connecting web 13th extending subsequent portion of the base web 12.
  • roller carrier 39 For the pivotable mounting of the roller carrier 19 about the pivot axis 42, the roller carrier 39 on opposite sides projecting axle journals 43, 44 on. These engage in recesses 46, 47 of the edge of the window opening 45. Support surfaces of the axle stubs 43, 44, which rest on the bottom of the respective recess 46, 47, 27 are curved in an analogous manner as the bearing surfaces 30, 31 of the axle 26, formed. Instead or in addition, in turn, the bottom of the recess 46 and / or 47 could be curved.
  • an identical to the roller carrier 19 of the middle rocker truck 50 trained roller carrier is used for the roller carrier 39, but in a relation to the roller carrier 19 of the middle rocker truck 50 to a parallel to the withdrawal direction 4 lying axis is installed by 180 ° rotated position.
  • the side guide roller 33 of the roller carrier 19 of the middle rocker truck 50 is omitted and rotatably supported on a pivot pin, which is unused in the roller carrier 19 of the middle rocker truck 50, a side guide roller 48.
  • the side guide roller 48 cooperates with the downward flanging of the upper horizontal web 10 of the third guide rail 3.
  • the side guide roller 48 could also be omitted.
  • a second embodiment of the invention is in the Fig. 39 to 50 shown.
  • the pull-out guide is designed here in the manner of a telescopic extension guide and comprises a first guide rail 55 which can be fastened to a pull-out furniture part, and a second guide rail 56 which can be fastened to a furniture carcass and out of which the first guide rail 55 can be pulled out in a pull-out direction 57.
  • the profile shape of the first guide rail 55 corresponds to that of the first guide rail 1 described for the first embodiment but in relation to the pull-out direction 57 rear portion of the first guide rail 55, the first guide rail 55 is formed in a modified manner with a pivotally mounted rear luffing truck, as explained below ,
  • the vertical web 7 and the lower horizontal web 8 therefore, the same reference numerals were used as in the first embodiment, wherein the lower horizontal web 8 could be omitted in turn.
  • the second guide rail 2 comprises a base web 58, which is preferably at least partially, in particular at least largely parallel to a vertical plane. From the upper end of the base web 58 is a horizontal upper catwalk 59 from. On the same side as the upper catwalk 59 is at the lower end of the base web 58 of this from a lower horizontal catwalk 60 from. From this is at least in a relative to the withdrawal direction 57 front portion of the second guide rail 56, an edge web 61 upwards. A lower one Section of the base web 58 together with the lower catwalk 60 and the edge web 61 form a U-shaped portion of the second guide rail.
  • a front tipper truck 70 In this U-shaped portion of a front tipper truck 70 is arranged.
  • This front luffing truck 70 is identical to the front luffing truck 51 of the first embodiment.
  • the parts of the front tipper carriage 70 are thus provided with the same reference numerals.
  • the function of the front tipper carriage 70 and its connection to the second guide rail 56 for pivotable mounting about the pivot axis 62 is completely analogous. Reference is therefore made to the corresponding description of the first exemplary embodiment and this need not be repeated in detail at this point.
  • a rear luffing carriage 71 is mounted pivotably about the pivot axis 63 on the first guide rail 55.
  • the formation of the rear tipper carriage 71 is completely analogous to that of the rear tipper carriage 52 of the first embodiment of the invention, apart from the differences mentioned below. For the parts of the rear tipper carriage 71, therefore, the same reference numerals are used.
  • the rear rocker 71 is used in the extended state of the pull-out for supporting the rear end of the first guide rail 55 on the second guide rail 56 upwards.
  • the rollers 40, 41 enforce a window opening 64 of the first guide rail 55 and cooperate with the upper catwalk 59 of the second guide rail.
  • the pivotable mounting of the roller carrier 39 about the pivot axis 63 on the second guide rail 56th also takes place in a similar manner as the rear rocker 52 of the first embodiment.
  • the stub axles 43, 44 which have curved bearing surfaces, project into recesses 65, 66 of the edge of the window opening 64 for this purpose.
  • a side guide roller is not provided here at the rear luffing truck, but could be present in an analogous manner as the rear luffing truck 52 of the first embodiment.
  • a securing projection 72 is provided, which protrudes from the roller carrier 39.
  • the flanging of the upper horizontal web 6 of the first guide rail 55 is extended to a vertical edge web 67 in the area in which the rear rocker truck 71 is arranged.
  • the securing projection 72 cooperates with a lower edge of this edge web 67.
  • the stub axle 43 and the securing projection 72 thus encompass a section of the edge web 67.
  • the guide rails 55, 56 in turn consist of sheet metal, in particular sheet steel, wherein the preferred ranges of material thicknesses of the first and second guide rail 55, 56 correspond to those of the first and second guide rail 1, 2 of the first embodiment, ie for the first guide rail 55 in the range of 1 mm to 2.5 mm and for the second guide rail 56 in the range of 1.5 mm to 3 mm.
  • FIGS. 51 and 52 is still the roller 21 of the front Wippwagens 51 and the front Wippwagens 70 shown, which is centrein Divisionig formed with stub axles 74, 75. With these stub axles 74, 75, the roller 21 is snapped into the roller carrier 19 of the front tipper carriage 51 or 70, cf. FIGS. 53 and 54 , The roller 22 of the front tipper truck 51 and 70 may be formed accordingly.
  • roller carrier 19 of the front tipper carriage 51 and / or 70 could be designed such that it has a journal for rotatably supporting the roller 21 and / or 22.
  • a telescopic extension guide designed in accordance with the invention could also comprise more than two guide rails which can be pulled apart.
  • the invention can not only be used with pure roller pull-out guides but could also be used with pull-out guides which, in addition to rollers rotatably mounted on axles, also have rolling elements arranged in cages for mutually displaceable guiding of the guide rails.
  • An extension guide according to the invention can be provided for extracting different extendable furniture parts.
  • Extendable furniture parts that can be pulled out by means of a pull-out according to the invention from a furniture body, for example, drawers, trays or cabinet drawer be.
  • Side guide roller 6 Upper horizontal bar 34 axis 7 vertical web 35 deepening 8th lower horizontal bridge 37 window opening 9 vertical web 38 swivel axis 10
  • Upper horizontal bar 39 roller carrier 11 lower horizontal bridge 40 caster 12 base web 41 caster 13 upper connecting bridge 42 swivel axis 14 upper edge bar 43 journal 15 longitudinal edge 44 journal 16 lower connecting bridge 45 window opening 17 lower edge bar 46 deepening 18 longitudinal edge 47 deepening 19 roller carrier 48
  • Side guide roller 20 swivel axis 50 medium luffing truck 21 first roller 51 front

Landscapes

  • Support Devices For Sliding Doors (AREA)

Claims (15)

  1. Guidage de déploiement télescopique pour permettre le déploiement d'une partie de meuble déployable télescopiquement en dehors d'un corps de meuble dans une direction de déploiement (4, 57) comprenant au moins un premier rail de guidage (1, 55) et un second rail de guidage (2, 56) susceptibles de coulisser l'un par rapport à l'autre, le second rail de guidage (2, 56) comportant au moins une zone ayant une section en forme de U qui est formée par un segment de branche de base (12), une branche de bord (14, 17, 61) qui comporte un bord longitudinal libre (15, 18, 68) et une branche de liaison (13, 16) ou branche de roulement (60) du second rail de guidage (2, 56) reliant la branche de base (2, 56) et la branche de bord (14, 17, 61), et, pour permettre le coulissement, des rails de guidage (1, 2, 55, 56), l'un par rapport à l'autre, sur le second rail de guidage (2, 56) est monté pivotant autour d'un axe de pivotement (20, 38, 63) au moins un porte-galets (19) dont au moins une partie est située entre la branche de base (12) et la branche de bord (14, 17, 61), et sur lequel sont montés au moins deux galets de roulement (21, 22) mobiles en rotation autour d'axes (23, 24), et, pour permettre son montage pivotant sur le second rail de guidage (2, 56), le porte-galets (19) comporte un premier et un second tourillons (26, 27) faisant saillie dans des directions opposées, le premier tourillon (26) venant en prise dans une ouverture formant fenêtre (28, 37, 69) réalisée dans la branche de base (12, 58),
    caractérisé en ce que
    le second tourillon (27) du porte-galets (19) s'applique au fond d'une cavité (29, 35, 73) du bord longitudinal (15, 18, 68) de la branche de bord (14, 17, 61).
  2. Guidage de déploiement télescopique conforme à la revendication 1,
    caractérisé en ce que
    selon une vue de côté en direction de l'axe de pivotement (20, 38, 62) le second tourillon (27) comporte une courbure convexe dirigée vers le fond de la cavité (29, 35, 73) et/ou le fond de la cavité comporte une courbure convexe dirigée vers le second tourillon (27).
  3. Guidage de déploiement télescopique conforme à la revendication 2,
    caractérisé en ce que
    le rayon de la courbure du second tourillon (27) et/ou du fond de la cavité (29, 35, 73) est au moins égal à cinq fois la profondeur de la cavité.
  4. Guidage de déploiement télescopique conforme à la revendication 2 ou 3,
    caractérisé en ce que
    le rayon de la courbure du second tourillon et/ou du fond de la cavité (29, 35, 73) est au moins égal au triple du diamètre du premier et du second galets de roulement (21, 22).
  5. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 4,
    caractérisé en ce qu'
    en vue de côté en direction de l'axe de pivotement (20, 38, 62), le premier tourillon (26) comporte une courbure convexe dirigée vers le bord de l'ouverture formant fenêtre (28, 45, 69) sur lequel s'appui le premier tourillon (26) et/ou le bord de l'ouverture formant fenêtre sur lequel s'appui le premier tourillon (26) comporte une courbure convexe dirigée vers le premier tourillon (26).
  6. Guidage de déploiement télescopique conforme à la revendication 5,
    caractérisé en ce que
    le rayon de la courbure est au moins égal au double de la dimension de l'ouverture formant fenêtre dans une direction perpendiculaire à l'axe de pivotement (20, 38, 62) et perpendiculaire à la direction de déploiement (4).
  7. Guidage de déploiement télescopique conforme à la revendication 5 ou 6,
    caractérisé en ce que
    le rayon de la courbure est au moins égal à trois fois le diamètre du premier et du second galets de roulement (21, 22).
  8. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 7,
    caractérisé en ce que
    le porte-galets (19) comporte, du côté sur lequel le second tourillon (27), fait saillie pour permettre de maintenir le porte-galets (19) sur le second rail de guidage (2) une saillie de sécurité (32) qui s'applique sur un bord d'une autre ouverture formant fenêtre (25) du second rail de guidage (2), le porte-galets (19) entourant avec le second tourillon (27) et la saillie de sécurité (32) un segment du second rail de guidage (2).
  9. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 8,
    caractérisé en ce que
    sur le porte-galets (19) est monté mobile en rotation au moins un galet de guidage latéral (33) autour d'un axe (34) décalé angulairement par rapport aux axes (23, 24) des galets de roulement (21, 22).
  10. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 9,
    caractérisé en ce que
    le porte-galets (19) est réalisé en une seule pièce avec des tiges de pivot venues de fonderie pour permettre le montage mobile en rotation du premier et du second galets de roulement (21, 22).
  11. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 10,
    caractérisé en ce que
    les axes de pivotement (20, 38, 62) et les axes (23, 24) des galets de roulement (21, 22) sont parallèles et perpendiculaires à la direction de déploiement (4, 57).
  12. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 11,
    caractérisé en ce qu'
    en vue de côté en direction de celui-ci, l'axe de pivotement (20, 38, 62) est situé à distance d'une droite imaginaire reliant l'axe (23) du premier galet de roulement (21) et l'axe (24) du second galet de roulement (22), l'axe de pivotement (20, 38, 62) étant décalé en direction du côté d'appui du premier et du second galets de roulement (21, 22) où ce premier et ce second galets de roulement (21, 22) roulent sur une piste de roulement du guidage de déploiement télescopique.
  13. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 12,
    caractérisé en ce que
    le porte-galets (19) est situé dans la zone du tiers avant du second rail de guidage (2, 56) dans la direction de déploiement (4, 57), et le premier rail de guidage (1, 55) comporte une branche horizontale (16) qui s'applique sur les galets de roulement (21, 22) montés mobiles en rotation sur le porte-galets (19).
  14. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 13,
    caractérisé en ce qu'
    il comporte, en plus du premier rail de guidage (1) qui peut être fixé sur une partie de meuble déployable et peut être déployé télescopiquement à l'extérieur du second rail de guidage (2), un troisième rail de guidage (3) qui peut être fixé sur le corps de meuble et peut être déployé télescopiquement à l'extérieur du second rail de guidage (2), entre une branche horizontale (6) du premier rail de guidage et une branche horizontale (11) du troisième rail de guidage située au-dessous de celle-ci, dans la zone du tiers médian du guidage de déploiement télescopique dans la direction de déploiement (4), un galet (5) coopérant avec ces branches horizontales (6, 11) se déplace par roulement, le porte-galets (19) est, dans la zone du tiers médian du second rail de guidage (2) dans la direction de déploiement, monté pivotant sur celui-ci autour de l'axe de pivotement (20), et les galets de roulement (21, 22) montés mobiles en rotation pour le porte-galets (19) soutiennent la branche horizontale (6) du premier rail de guidage (1) vers le haut pour empêcher son basculement.
  15. Guidage de déploiement télescopique conforme à l'une des revendications 1 à 14,
    caractérisé en ce qu'
    au moins l'un des galets de roulement (21, 22) du porte-galets (19) comporte des tourillons (74, 75) réalisés en une seule pièce qui sont reliés au porte-galets (19) en étant mobiles en rotation et forment l'axe (23, 24) de ce galet de roulement (21, 22).
EP14747504.0A 2013-08-19 2014-07-08 Guide d'extraction Active EP3035823B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA646/2013A AT514559B1 (de) 2013-08-19 2013-08-19 Ausziehführung
PCT/AT2014/000137 WO2015024032A1 (fr) 2013-08-19 2014-07-08 Guide d'extraction

Publications (2)

Publication Number Publication Date
EP3035823A1 EP3035823A1 (fr) 2016-06-29
EP3035823B1 true EP3035823B1 (fr) 2017-03-22

Family

ID=51266055

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14747504.0A Active EP3035823B1 (fr) 2013-08-19 2014-07-08 Guide d'extraction

Country Status (3)

Country Link
EP (1) EP3035823B1 (fr)
AT (1) AT514559B1 (fr)
WO (1) WO2015024032A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017128748A1 (de) * 2017-12-04 2019-06-06 Grass Gmbh Führungssystem
DE102020205250B4 (de) * 2020-04-24 2021-11-11 Kocks Technik Gmbh & Co Kg Führungsvorrichtung für Langprodukte
AT523910B1 (de) * 2020-11-27 2022-01-15 Fulterer Ag & Co Kg Differentialausziehführung für ausziehbare Möbelteile

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH271066A (de) * 1948-10-28 1950-10-15 Bigler Spichiger & Cie Ag Schubladendoppelauszugführung an Möbeln.
DE1988330U (de) * 1967-04-19 1968-06-27 Edouard Bally Ineinanderschiebbare gleitfuehrung mit rollen fuer schubladen.
CH559530A5 (fr) * 1973-02-12 1975-03-14 Merz Meyer Ag
AT390721B (de) * 1985-10-24 1990-06-25 Fulterer Gmbh Schubkastenauszug
AT392883B (de) 1988-08-29 1991-06-25 Fulterer Gmbh Schubkastenauszug
AT391603B (de) 1989-03-09 1990-11-12 Fulterer Gmbh Schubladenauszug nach differentialbauart
AT412182B (de) * 2002-05-06 2004-11-25 Fulterer Gmbh Differentialausziehführung für ausziehbare möbelteile
AT502661B1 (de) * 2005-12-06 2007-05-15 Fulterer Gmbh Differentialausziehführung für ausziehbare möbelteile
AT505053B1 (de) 2007-04-02 2009-02-15 Fulterer Gmbh Rollen-differentialausziehführung
US8430567B2 (en) * 2010-08-26 2013-04-30 Knape & Vogt Manufacturing Company Load adaptive roller carriage assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
AT514559B1 (de) 2015-02-15
EP3035823A1 (fr) 2016-06-29
WO2015024032A1 (fr) 2015-02-26
AT514559A4 (de) 2015-02-15

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