EP3403529A1 - Guidage d'extraction - Google Patents

Guidage d'extraction Download PDF

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Publication number
EP3403529A1
EP3403529A1 EP18163322.3A EP18163322A EP3403529A1 EP 3403529 A1 EP3403529 A1 EP 3403529A1 EP 18163322 A EP18163322 A EP 18163322A EP 3403529 A1 EP3403529 A1 EP 3403529A1
Authority
EP
European Patent Office
Prior art keywords
pull
rollers
rail
roller
partial
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.)
Granted
Application number
EP18163322.3A
Other languages
German (de)
English (en)
Other versions
EP3403529B1 (fr
Inventor
Wolfgang Müller
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 AG 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 Fulterer AG and Co KG filed Critical Fulterer AG and Co KG
Priority to PL18163322T priority Critical patent/PL3403529T3/pl
Publication of EP3403529A1 publication Critical patent/EP3403529A1/fr
Application granted granted Critical
Publication of EP3403529B1 publication Critical patent/EP3403529B1/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
    • A47B88/437—Rollers for slides or guides
    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/42—Vertically-oriented drawers, i.e. drawers where the height exceeds the width
    • A47B2088/421—Vertically-oriented drawers, i.e. drawers where the height exceeds the width the bottom, cabinet side slide having a U-shape section opening upwards
    • 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
    • A47B2210/0008—Guide construction for drawers having a roller on an intermediary slide rail between the cabinet rail and the drawer rail
    • 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
    • A47B2210/001—Guide construction for drawers having a roller on the intermediate drawer rail, between the upper and lower rail
    • 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
    • A47B2210/0037—Rollers
    • 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
    • A47B2210/0037—Rollers
    • A47B2210/004—Rollers cages therefor, e.g. for telescopic slides
    • 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
    • A47B2210/0051—Guide position
    • A47B2210/0056—Guide located at the bottom 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
    • A47B2210/0091—Drawer movement damping
    • A47B2210/0097—Ball or roller cage incorporating damping means

Definitions

  • the invention relates to a pull-out for extending an extendable furniture part of a furniture body with at least two guide rails and with rollers for the sliding mounting of the guide rails.
  • Pull-out guides for extracting a pull-out furniture part, for example a drawer, from a furniture carcass are known in different embodiments.
  • Single pullout guides consist of a cabinet rail to be mounted on the cabinet rail and a pull-out rail to be mounted on the pull-out furniture unit. Full or over excisions additionally have a middle rail arranged between the carcass rail and the pull-out rail.
  • telescopic extension guides When the rails of a full or over extension are pulled out one after the other, it is called telescopic extension guides.
  • load-bearing rollers In these load-bearing rollers are rotatably mounted on all rails.
  • circumferential bands arranged for this purpose on the middle rail elastic drive rollers are used, but which do not represent load-bearing rollers.
  • Such a telescopic extension with differential effect is for example from the AT 392 883 B known.
  • Differentialauszieh enclosureen having a high running culture, all rollers are arranged on the center rail.
  • Such Differentialauszieh entryen are for example from the AT 391 603 B .
  • CH 679 735 A5 and EP 1 350 444 A1 known.
  • differential rollers of differential extensions the problem arises that due to a deformation of guide rails under load and due to manufacturing tolerances raceways of guide rails may differ slightly from the exact horizontal or paraxial position.
  • the rollers are not evenly loaded over their running surface, but stronger in their area facing the extendable furniture part and their furniture body facing area weaker, or vice versa.
  • Such unequal loading of the roller during its run caused by the yielding of the role (typically 0.05mm to 1mm), a change in the rolling circumference across the width of the roller.
  • yielding of the role typically 0.05mm to 1mm
  • the effect described is particularly pronounced when the static coefficient of friction of the roller relative to the raceway or raceways is higher than the coefficient of sliding friction. This is the case with most roll materials, especially when using plastics such as POM, PU, PA, etc.
  • the above-described effect has i.a. observed at differential load differential rollers of differential extensions, which run between a track of the carcass rail and a track of the pull-out rail. But even with other rollers of pull-out guides such an effect can occur.
  • Such an effect is not limited to rollers, which are arranged on a pivot pin, which is connected to one of the Ausziehschienen (non-rotatable or rotatable). Rollers arranged in roller carriages, which thus change their position relative to the rails relative to the longitudinal direction of the rails when the pull-out guide is pulled out, can be affected by this.
  • One of the rollers runs along a track of a horizontal web of the guide rail.
  • the adjacent roller runs along the track of an angularly standing web of the guide rail from. It is thereby formed a side guide for the pull-out, without causing jamming or significant disturbing noises.
  • the rolling on the track of the inclined web of the guide rail roller has a tread with a rounded cross-section. It comes thereby essentially to a punctiform contact of the roller with this inclined web, while the roll rolling on the horizontal web roller forms a line contact with this.
  • the object of the invention is to provide an advantageous pull-out guide of the type mentioned, which has a high running culture. According to the invention, this is achieved by a pull-out guide with the features of claim 1.
  • the partial rollers of the roller roll on the same track of a guide rail or between the same, opposite tracks of two guide rails.
  • the tread of a respective partial roller is narrower than the tread of an "undivided" roller.
  • the difference of the rolling circumference between the two edge regions of the running surface of a respective partial roll becomes smaller.
  • the difference of the rolling circumference is substantially proportional to the width of the tread. A role of jerking in the operation of the pull-out can thus be avoided in a surprisingly simple manner or at least substantially reduced.
  • At least substantially equal diameters it is to be understood that minimum diameter differences of less than 5%, preferably less than 3% may be present, for example due to tolerance or even despite slight inclination of the track (due to weight loading) To achieve payloads of the rollers.
  • raceway or the opposing raceways, along which roll the partial roles of a roller so may advantageously be flat.
  • the running surfaces of the first and second partial rollers are preferably at least substantially cylindrical jacket-shaped.
  • the expression "at least substantially cylindrical jacket-shaped” is intended here to include minor deviations from the cylinder jacket shape, for example, in cross-section slightly oblique designs ("conical formations"), in particular with bevels of less than 3 °. Such conical formations are used to form minimal Entformungsschrägen in the production by injection molding.
  • the sub-rollers are arranged on a common axle.
  • this is at least substantially stationary connected to one of the guide rails, that is not displaceable relative to the guide rail in the longitudinal direction of the guide rail.
  • the common axle may be held non-rotatably on one of the guide rails, wherein the sub-rollers are mounted rotatably relative to the axle. If the roller, which has the first and second part of the role, is formed as a differential role, the first and second part of the role in the vertical direction, a game against the fixed to the center rail axle, on which they are arranged. A vertical play of the first and second part of the role relative to the center rail can also be achieved in that the axle is slidably connected to the center rail in the vertical direction.
  • the first part of the role could be rotatably mounted on the axle and the second part of the role to be arranged non-rotatably on the axle or be formed integrally with the axle.
  • the axle is in this case rotatably mounted relative to one of the guide rails.
  • the roller which has the at least two partial rollers, arranged in a carriage and the two sub-rollers are rotatable relative to this, wherein the carriage is arranged between two guide rails of the pull-out.
  • the first and second sub-roles run here on common opposite raceways of the two guide rails, between which the carriage is arranged.
  • the first and second part of the role may have directly adjacent side surfaces.
  • a sliding layer for example by forming the roller as a 2K plastic part, or sliding coating, for example in the form of a lubricating varnish, can be provided on at least one of the two adjoining side surfaces.
  • an intermediate layer of a material which is different from the material of the partial rolls may be arranged between the first and the second partial rolls.
  • Such an intermediate layer can be formed by a solid, for example in the form of a ring or a disk, of a suitable lubricious material, for example of plastic, such as thermoplastic, paper or metal.
  • An intermediate layer between the first and second part of the role can also be formed by a lubricant, such as oil, grease or a solid lubricant.
  • the running surfaces of the first and second part rollers have a relation to the axial direction of the sub-rollers distance, which is conveniently smaller than the width of the tread of a respective sub-roll, preferably smaller than half of Width of the tread of a respective sub-roll, more preferably less than a quarter of the width of the tread of a respective sub-roll is.
  • the first and second sub-roles are advantageously at least substantially concentric with each other.
  • a pull-out guide according to the invention can only have a carcass rail which can be fastened to a furniture carcass and a pull-out rail which can be fastened to an extendable furniture part.
  • a pull-out guide according to the invention can furthermore have a middle rail arranged between the carcass rail and the pull-out rail.
  • Such a pull-out guide can advantageously be designed in the form of a differential extension guide, wherein the roller, which has the first and second part of role, - or at least one of the trained in such a way rollers - rolls between the carcass rail and the pull-out rail and with a game in the vertical direction the middle rail is mounted and forms a load-transmitting differential role.
  • the invention can also be used in conjunction with other roles of a differential extension guide or be used in another type of pull-out.
  • a first embodiment of a pull-out according to the invention is in the Fig. 1 to 15 shown.
  • the pull-out guide is designed in the form of a differential extension.
  • the pull-out guide is used to pull out a pull-out furniture part 1 from a furniture body 2 in a pull-out 50.
  • the pull-out furniture part 1 and the furniture body 2 are only in Fig. 3 indicated by dashed lines.
  • the extendable furniture part 1 may be, for example, a tall cabinet frame.
  • the pull-out guide can thus be referred to as a tall cabinet pull-out guide.
  • the pull-out guide comprises only a single set of nested rails. Since the pull-out guide are arranged below the pull-out furniture part 1, the pull-out guide can also be referred to as underbody pull-out guide.
  • the pull-out guide could also have two mirror-image formed sets of nested rails, which are arranged on both sides of the extendable furniture part between the respective side wall of the extendable furniture part and the furniture body.
  • Underfloor pull-out guides may also have more than one set of nested rails, which are of the same or mirror-inverted design and are arranged at a distance from one another below the pull-out furniture part. These rail sets can rest as in the embodiment on the floor of the furniture body or attached to side walls of the furniture body.
  • Extendable furniture parts may for example be designed in the form of drawers, boxes or trays.
  • Trained as a differential extension pull-out comprises a carcass rail 3 for attachment to the furniture body 2, a pull-out rail 5 for attachment to the pull-out furniture part 1 and between the carcass rail 3 and Extending rail 5 arranged middle rail. 4
  • rollers which are connected via axle with one of the rails.
  • all rollers are rotatably mounted on the center rail 4, as is customary in differential extensions.
  • the carcass rail 3 has a lower horizontal web 6 and on both sides (based on an end view) of this upwardly projecting vertical webs 7.
  • the vertical webs 7 are provided in the region of their upper ends at least over part of their length with mutually directed beadings, whereby upper horizontal webs 8 are formed. These form tracks for rollers of the pull-out.
  • the center rail 4 has spaced apart (based on an end view) side cheeks 9, which are connected to each other via bolts 10.
  • the connection could also be done in other ways, for example by running between the side walls 9 webs made of sheet metal.
  • On the side cheeks 9 rollers are rotatably mounted, as explained in more detail below.
  • stiffening the side cheeks can be provided with gradations and / or beadings.
  • a flanging is provided at the upper end.
  • the pull-out rail 5 has horizontal catwalks 11. These are (on an end view) on both sides and form tracks for rollers.
  • the two catwalks 11 are formed by folded sections of the pull-out rail 5 forming sheet.
  • the catwalks 11 are connected to each other by a connecting web 12 and of the catwalks 11 are side bars 13 upwards.
  • the pull-out rail 5 is formed here by a bent sheet-metal profile.
  • the pull-out rail could also be formed by a cast profile or extruded profile.
  • a front roller 14 is rotatably mounted in the area of the front end of a respective side wall 9 of the middle rail 4 relative to the pull-out direction 50. This cooperates with a downwardly oriented track of the pull-out rail 5, which is formed in the embodiment of the underside of the associated catwalk 11.
  • the front roller 14 supports the pull-5 in the extended state of the pull-out against tipping down.
  • a rear roller 15 is rotatably mounted thereon. This cooperates with a downwardly directed running surface of the carcass rail 3. This is formed in the embodiment of the underside of the associated upper horizontal web 8 of the carcass rail 3.
  • the rear roller 15 supports the rear end of the center rail 4 in the extended state of the pull-out against pivoting upwards.
  • roller 16 In a relative to the withdrawal direction 50 middle region of the respective side cheek 9 of the center rail 4 is a roller 16 having a first and a second partial roller 16a, 16b, which are arranged lying one behind the other with respect to the axial direction, ie have adjacent running surfaces ,
  • the roller 16 is a load-transmitting roller, via which a load is transferred from the pull-out rail 5 directly to the carcass rail 3. This therefore also applies to the first and second sub-roles 16a, 16b.
  • the roller 16 has a play in the vertical direction relative to the center rail, i. the sub-rollers 16a, 16b have a clearance in the vertical direction with respect to the center rail.
  • the axle 18 is suitably held non-rotatably relative to the center rail 4.
  • the first and second part rollers 16, 16b are arranged with play relative to the axle pin 18 on this.
  • the play of the first and second part rollers 16a, 16b in the vertical direction relative to the center rail 4 is preferably more than 0.5 mm. Even larger values of this game are possible, for example, more than 1mm.
  • the sub-rollers 16a, 16b roll between a flat downwardly oriented track of the pull-5 and a flat upward career of the carcass rail 3 from.
  • the downward career of the pull-out rail 5 is formed in the embodiment of the underside of the respective associated catwalk 11.
  • the upwardly directed track of the carcass rail 3 is formed in the embodiment of the lower horizontal web 6 of the carcass rail 3.
  • the first and second sub-rollers 16a, 16b thus run between, in each case for both sub-rollers 16a, 16b common, opposite, flat tracks, on the one hand on an upward, on the other hand on a downward career.
  • a common planar track common to both partial rollers 16a, 16b here means that the track is formed by the flat surface of a web of the respective rail on which the first and second partial rollers 16a, 16b roll side by side.
  • a pressure roller 21 is rotatably mounted on a respective side wall 9 in the region above the first and second part rollers 16a, 16b.
  • the weight of the drawer over the pull-out rail 5 acts on the front casters 14, whereby the middle rail 4 experiences a torque about an imaginary axis passing through the rear casters 15.
  • the respective pressure roller 21 is pressed against the top of the respective catwalk 11, which is supported by the respective on the carcass rail 3 supporting, with respect to the center rail 4 a game in the vertical direction having first and second part of the roller 16a, 16b.
  • the catwalks 11 are thus quasi clamped between the sub-rollers 16a, 16b and the pressure rollers 21. The synchronous running of the rails is thereby ensured.
  • an auxiliary roller 22 is further rotatably mounted on a respective side cheek 9 of the center rail 4 in a relation to the pull-out direction 50 between the first and second rollers 16, 17 and the rear roller 15 lying region of the center rail 4.
  • This auxiliary roller 22 serves to support the rear end of the pull-out rail 5 and the rear end of the center rail 4 against tilting down in the retracted or slightly extended state of the pull-out guide, when the focus of the load distribution of the pull-out furniture part 1 in a rear part of the pull-out 5 lies.
  • auxiliary rollers 22 sliding parts could be provided.
  • a support of the rear end of the middle rail against tilting down could for example also be effected by the rear rollers 15.
  • a support of the rear end of the pull-5 against tipping down could for example also be done by auxiliary rollers or sliding parts, which are arranged in the region between the pressure roller 21 and the front roller 14 and cooperate with the top of the respective lateral extension 11.
  • the first part of the role 16a as shown, an undercut 17 for receiving the Head of the axle 18 have.
  • the second partial roller 16b may have on its side wall 9 facing side surface, for example, subsequent to its central passage opening, an annular collar 24 for reducing the contact surface on the side cheek 9.
  • Modified embodiments of the first and / or second part of the role 16a, 16b are conceivable and possible, eg with spokes, etc.
  • an intermediate layer in the form of a sliding ring 23 is arranged between the first and second partial rollers 16a, 16b.
  • a sliding ring 23 may be made of steel.
  • a groove 25, 26 is formed, in which the sliding ring 23 engages in each case.
  • a respective side surface 29, 30 could also have a projection located radially inside or outside of the sliding ring 23, by means of which the sliding ring 23 is held in a form-fitting manner in the radial direction.
  • the bottom of a respective groove 25, 26 has a convex curvature.
  • the surface of the sliding ring bearing against the bottom of the respective groove could also have a convex curvature. This facilitates a mutual (slight) tilting of the first and second partial rollers 16a, 16b, which makes them easier to adapt to tolerances and / or deflections of the raceways with which the partial rollers 16a, 16b cooperate.
  • the longitudinal central axes of the partial rollers 16a, 16b can then be slightly inclined relative to each other, preferably at an angle of less than 5 °.
  • the mutually facing side surfaces 29, 30 of the first and second rollers 16, 17 thus lie against this intermediate layer formed by a solid (in the region of the bottom of the respective groove 25, 26).
  • the material or a coating of the solid is in this case selected so that there is a low friction with respect to the first and second partial rollers 16a, 16b.
  • the running surfaces 27, 28 of the partial rollers 16a, 16b are thus spaced apart by the gap s next to each other, preferably at least substantially on a common cylinder jacket (apart from the aforementioned possible smaller tilting and apart from the play of the sliding ring 23 in the grooves 25, 26) ,
  • the distance a measured between the two running surfaces 27, 28 in the axial direction is less than one fifth of the width b1, b2 of the running surface 27, 28 of a respective partial roller 16a, 16b measured in the axial direction.
  • a pull-out guide according to the invention could also be designed in a different way than previously described.
  • it may be a differential extension guide, which is attachable between the respective side wall of the extendable furniture part and a side wall of the furniture body.
  • the middle rail could then have only a single side cheek, the carcass rail only a vertical web and only an upper horizontal bar and the pull-out only a catwalk. It could then be present only a differential role, which has at least two partial rollers 16a, 16b.
  • rollers other than differential rollers could be "split" formed in the manner described, so that they have at least two sub-rollers with at least substantially the same diameter, which are rotatable against each other and have axially adjacent running surfaces. The sub-rollers could then unroll only on one side of a common for both sub-roles, flat track of a single rail.
  • At least individual raceways and axes of rotation of rollers of a pull-out guide according to the invention may also be inclined to the horizontal inclined.
  • Pull-out guides designed in different ways than in the form of differential designs can also be designed in accordance with the invention by being equipped with at least one roller which comprises at least a first and a second partial roller 16a, 16b having axially adjacent running surfaces and at the same Roll off the guide rail or between the two same guide rails.
  • a pull-out guide designed in accordance with the invention can also comprise only two guide rails which can be displaced relative to one another or more than three guide rails which can be displaced relative to one another.
  • first and / or second partial roller 16a, 16b could be provided in the region of its outer circumference with a circumferential groove in which a protruding soft component is arranged.
  • a soft component could also be arranged on the edge of one of the partial rollers 16a, 16b which faces the other of these partial rollers 16a, 16b.
  • the first and / or second partial roller 16a, 16b could also be rotatably mounted on a pivot pin via a roller bearing.
  • the sub-rollers may in particular be formed of a plastic material, e.g. POM, PU, PA, etc., wherein they may be formed of the same or different materials.
  • a plastic material e.g. POM, PU, PA, etc.
  • FIG Fig. 16 to 20 A second embodiment of the invention will be described below with reference to FIG Fig. 16 to 20 explained. Apart from the differences described below The embodiment corresponds to that of the first embodiment and the description of the first embodiment and the modifications thereto can be used accordingly.
  • the first and second partial rollers 16a, 16b bear directly against one another with their side faces 29, 30 facing one another.
  • the mutual friction could be reduced for example by at least one annular elevation on at least one of the mutually facing side surfaces 29, 30.
  • at least one of the side surfaces 29, 30 could also be provided with a sliding coating, for example a lubricating varnish.
  • at least one of the adjoining side surfaces 29, 30 could be formed over at least part of its radial extent as an optionally projecting sliding layer, with which a base body of the respective partial roller is provided.
  • Such partial rolls could be produced, for example, by 2K injection molding.
  • a lubricant could be provided between the two mutually facing side surfaces of the first and second partial rollers 16a, 16b, over which they can slide against each other.
  • a lubricant would also form an intermediate layer between the first and the second partial rollers 16a, 16b of a material which is different from these two partial rollers 16a, 16b.
  • Such lubricants can be used for example in the form of an oil, grease or solid lubricant.
  • the first partial roller 16a has a sleeve-shaped extension 31 projecting in the axial direction, on which the second partial roller 16b is arranged.
  • the sleeve-shaped extension 31 has a clearance to the axle 18 in order to provide the play of the partial rollers 16a, 16b in the vertical direction.
  • the axial play of the partial roller 16b relative to the partial roller 16a can be kept small, whereby the partial rollers 16a, 16b are held in concentric alignment.
  • a third embodiment of the invention is in the Fig. 21 to 25 shown.
  • the sub-rollers lie with their side faces 29, 30 facing each other again directly to each other.
  • the two partial rollers are subsequently formed at their central passage openings with elevations formed by annular collars 32, 33, in the region of which the side surfaces 29, 30 abut one another.
  • annular collar 32, 33 could also be provided only on one of the side surfaces 29, 30.
  • the annular collars 32, 33 could also be omitted.
  • both partial rollers 16a, 16b are each arranged with play on the axle 18. As a result, they have a corresponding mutual play in their axial alignment. In operation, when the sub-rollers 16a, 16b roll between opposing raceways, but this is, apart from tolerances and bending of the raceways, at least substantially concentric alignment of the sub-rollers 16a, 16b effected.
  • the first and second partial rollers 16, 17 could also be mounted so that they are held at a mutual distance, for example, by a lying between the first and second part of the roller 16, 17 collar of the axle.
  • the distance between the running surfaces of the first and second partial rollers 16, 17 is in this case preferably smaller than the axial width of the running surface of a respective partial roller, more preferably less than half the axial width of the tread of a respective sub-roll.
  • an axle bolt for the first and second partial rollers 16, 17 could also be mounted rotatably relative to the middle rail.
  • One of the sub-rollers 16, 17 could then be mounted non-rotatably on this axle or be formed integrally with this axle.
  • the at least one further partial role would then be stored rotatably on the axle. Since such a rotatability must be given only slightly and must not be very smooth, such a rotatable mounting on the axle bolt, for example, could be made possible by a correspondingly lightweight sliding seat.
  • a fourth embodiment of the invention is in the FIGS. 26 to 34 shown.
  • the pull-out guide which serves to pull out a pull-out furniture part 101 in a pull-out direction 150 from a furniture carcass 102 (only in FIG Fig. 28 schematically indicated by dashed lines), comprises a cabinet rail 103 to be fastened to the furniture body 102, a pull-out rail 105 to be fastened to the pull-out furniture part 101 in a pull-out direction 150 and a middle rail 104 arranged between the carcass rail 103 and the pull-out rail 105.
  • the rails 103, 104, 105 are here guided by means arranged in carriages 106, 107, 108 rolling elements slidably against each other. Specifically, it is an underbody pull-out.
  • the invention could also be used in connection with trained in other form, carriage having pull-out guides.
  • the carcass rail 103 has a vertical and a horizontal L-leg 109, 110.
  • the center rail 104 has a substantially U-shaped cross-section with a horizontal U-leg 111 and vertical U-legs 112, 113, which are on both sides of the vertical L-. Schenkels 109 extend.
  • the axially mounted rollers 114, 115, 116 which roll between the vertical U-legs 112, 113 and the vertical L-leg 109 and between the horizontal U-leg 111 and the horizontal L-leg 110.
  • the pull-out rail has a substantially U-shaped cross section with a horizontal U-leg 117 and vertical U-legs 118, 119.
  • the vertical U-legs 118, 119 extend on both sides outside the center rail 104 adjacent to the vertical U-legs 112, 113th
  • carriages 107, 108 are arranged in the exemplary embodiment. These have as rolling elements balls 120, which roll between the vertical U-legs 112, 118 and 113, 119. Furthermore, the carriages 107, 108 have axially mounted rollers 121, which roll between the horizontal U-leg 111 and the horizontal U-leg 117.
  • rollers 121 Apart from the training of the rollers 121 described below corresponds to the training of the pull-out as far as described so far the prior art.
  • the rollers 121 are each divided into a first and a second partial roller 121a, 121b of at least substantially equal diameter.
  • the sub-rollers 121a, 121b are rotatable relative to each other and the running surfaces of the sub-rollers 121a, 121b are adjacent.
  • a sliding ring 124 between the sub-rollers 121a, 121b, a sliding ring 124.
  • the mutually facing side surfaces 122, 123 of the sub-rollers 121a, 121b respectively abut against the sliding ring 124.
  • the sub-rollers 121a, 121b axially spaced (gap s).
  • the axial distance a between the running surfaces 125, 126 is less than half the size of the axial width b1, b2 of the respective running surface 125, 126.
  • the carriages 107, 108 each have a plurality of rollers 121 spaced from each other with respect to the pull-out direction 150, all of which are "split" into the partial rollers 121a, 121b as described.
  • the rollers 121 could be formed in this way.
  • at least the front roller 121 of the respective carriage 107, 108, which is furthest in relation to the pull-out direction 150, is designed in this way, since it is loaded the most.
  • the sub-rollers 121a, 121b may be made of steel or a plastic, for example from the plastics mentioned in connection with the sub-rollers 16a, 16b.
  • rollers having the sub-rollers 121a, 121b are mounted without an axle, the description of the roller 16 having the sub-rollers 16a, 16b and the possible modifications thereto can be used analogously.
  • the rollers 121 may have more than two sub-rollers 121a, 121b.
  • the sub-rollers 122a, 122b extend between common, opposite, planar tracks.
  • the carriages 106-108 may have modified formations. For example, instead of the two carriages 107, 108, only a single (longer trained carriage) could be provided.
  • a pull-out guide with a carriage having at least one roller constructed in accordance with the invention may have a different design than the exemplary embodiment described.
  • such a pull-out could only two against each other include sliding rails.
  • a fifth embodiment of the invention will be described below with reference to FIG FIGS. 35 to 38 explained. Apart from the differences described below, the embodiment corresponds to that of the fourth embodiment and the description of the fourth embodiment and the possible modifications thereto is accordingly heranziehbar.
  • the partial roller 121a here has an axial extension 127, on which the partial roller 121b is arranged.
  • the sub-rollers 121a, 121b are thereby held in at least substantially concentric orientation.
  • the sub-rollers 121a, 121b are in this case without mutual connection means which hold them in concentric alignment, side by side.
  • the sub-rollers 121a, 121b are thus radially displaceable relative to one another relative to the carriage 107, 108.
  • the sub-rollers 121a, 121b are at least substantially concentric (except for tolerances and / or deflections in the raceways) by their investment on the opposite raceways.

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  • Drawers Of Furniture (AREA)
EP18163322.3A 2017-05-17 2018-03-22 Guidage d'extraction Active EP3403529B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18163322T PL3403529T3 (pl) 2017-05-17 2018-03-22 Prowadnica wysuwana

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT2072017 2017-05-17

Publications (2)

Publication Number Publication Date
EP3403529A1 true EP3403529A1 (fr) 2018-11-21
EP3403529B1 EP3403529B1 (fr) 2020-01-08

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ID=61750031

Family Applications (1)

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EP18163322.3A Active EP3403529B1 (fr) 2017-05-17 2018-03-22 Guidage d'extraction

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EP (1) EP3403529B1 (fr)
ES (1) ES2777831T3 (fr)
PL (1) PL3403529T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111895716A (zh) * 2020-07-17 2020-11-06 海信容声(广东)冰箱有限公司 冰箱及滚轮组件
CN112586914A (zh) * 2020-12-11 2021-04-02 嘉兴奥飞新材料科技有限公司 新型滑轮导轨
WO2022193407A1 (fr) * 2021-03-18 2022-09-22 广东库博精密科技有限公司 Structure de rail de guidage de type à trois rails à capacité de support de charge élevée, applicable à un panier d'extraction haut et profond

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111920208A (zh) * 2020-08-19 2020-11-13 广州市唯诺家居五金有限公司 一种直拉式高升储物拉篮

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503554A3 (fr) * 1981-04-10 1982-10-15 Atal Glissiere extensible double pour tiroir
DE3936754A1 (de) * 1989-11-04 1991-05-08 Grass Ag Schubladenfuehrung mit auszugsschiene
US20030197452A1 (en) * 2002-04-17 2003-10-23 Nan Juen International Co., Ltd. Drawer sliding structure
DE202007013640U1 (de) * 2007-09-28 2009-02-12 Paul Hettich Gmbh & Co. Kg Möbelauszugsführung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503554A3 (fr) * 1981-04-10 1982-10-15 Atal Glissiere extensible double pour tiroir
DE3936754A1 (de) * 1989-11-04 1991-05-08 Grass Ag Schubladenfuehrung mit auszugsschiene
US20030197452A1 (en) * 2002-04-17 2003-10-23 Nan Juen International Co., Ltd. Drawer sliding structure
DE202007013640U1 (de) * 2007-09-28 2009-02-12 Paul Hettich Gmbh & Co. Kg Möbelauszugsführung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111895716A (zh) * 2020-07-17 2020-11-06 海信容声(广东)冰箱有限公司 冰箱及滚轮组件
CN112586914A (zh) * 2020-12-11 2021-04-02 嘉兴奥飞新材料科技有限公司 新型滑轮导轨
WO2022193407A1 (fr) * 2021-03-18 2022-09-22 广东库博精密科技有限公司 Structure de rail de guidage de type à trois rails à capacité de support de charge élevée, applicable à un panier d'extraction haut et profond

Also Published As

Publication number Publication date
EP3403529B1 (fr) 2020-01-08
ES2777831T3 (es) 2020-08-06
PL3403529T3 (pl) 2020-06-29

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