EP0512615B1 - Système d'anti-fléchissement pour le guidage de tiroirs - Google Patents

Système d'anti-fléchissement pour le guidage de tiroirs Download PDF

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Publication number
EP0512615B1
EP0512615B1 EP92201200A EP92201200A EP0512615B1 EP 0512615 B1 EP0512615 B1 EP 0512615B1 EP 92201200 A EP92201200 A EP 92201200A EP 92201200 A EP92201200 A EP 92201200A EP 0512615 B1 EP0512615 B1 EP 0512615B1
Authority
EP
European Patent Office
Prior art keywords
drawer
rack
section
gear wheel
extension piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92201200A
Other languages
German (de)
English (en)
Other versions
EP0512615A1 (fr
Inventor
Hendricus Tadeusz Wojcik
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.)
Thomas Regout NV
Original Assignee
Thomas Regout NV
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 Thomas Regout NV filed Critical Thomas Regout NV
Publication of EP0512615A1 publication Critical patent/EP0512615A1/fr
Application granted granted Critical
Publication of EP0512615B1 publication Critical patent/EP0512615B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/433—Drawers with a couple of pivotally retractable, roller-supporting arms at the rear of the drawer, e.g. for curved 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
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0029—Guide bearing means
    • A47B2210/0032—Balls
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0051—Guide position
    • A47B2210/0059—Guide located at the side of the drawer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0002—Guide construction for drawers
    • A47B2210/0064—Guide sequencing or synchronisation
    • A47B2210/0072—Coordinating mechanisms for sequential drawer slides, e.g. by cable
    • A47B2210/0075—Coordinating mechanisms for sequential drawer slides, e.g. by cable using gears

Definitions

  • This invention relates to a slidable drawer provided on both sides with a telescopic guide consisting of a drawer section, a central section and a cabinet section, each cabinet section being provided with a rack engaging a gear wheel connected to the drawer and mounted on a shaft.
  • Slidable drawers provided with a telescopic guide are known in many types and are often used in desks, cabinets and other filing systems.
  • the drawer itself is usually a product of rigid shape, consisting of four sides and a bottom. If the width of the drawer relative to the depth is very large and, moreover, the drawer has no bottom, as is the case with suspension frames for filing three rows of suspension files side by side, there is a great chance that, for instance when an opened drawer is moved in, this drawer becomes forced out of alignment in regard to the telescopic sections, resulting in that the closing of the drawer is impeded owing to racking of the drawer in respect of the guide sections. To prevent this racking, it is known to provide the drawer on the two sides with gear wheels engaging associated racks.
  • the meshing of the two racks with the gear wheels ensures that the drawer cannot be forced out of alignment in regard to the telescopic guides and that, therefore, the opening and closing movements always remain parallel to the main direction of the telescopic guides arranged on both sides of the drawer.
  • a drawer can be moved so far out of the cabinet surrounding the drawer that the rear end of the drawer is accessible. This is particularly desirable in case of suspension frames for keeping suspension files, because otherwise the rearmost suspension files of a row cannot be taken out or placed back in the suspension frame.
  • This desired property of drawers is usually designated by the term "overtravel". Telescopic guides allowing such overtravel are known per se. However, the combination of an overtravel drawer with an anti-rack system gives problems for the following reasons.
  • This object is achieved according to the invention in that in a slidable drawer of the above type each rack is provided on the pulling side of the cabinet section with a tiltable extension piece connected to the rack and having teeth, which extension piece can be brought into the lowered position when pulling out the drawer and into the raised position when pushing in the drawer.
  • the fixed racks present within the cabinet have been provided with a portion projecting beyond the cabinet, which portion can be continuously engaged by the gear wheels connected to the drawer when this drawer is completely pulled out, so that the anti-racking effect is also retained in the completely opened position of the drawer.
  • these extended racks are brought into a raised position by the drawer itself, so that in the closed position the drawer can be completely housed in the cabinet.
  • gear wheel engaging the rack is housed in a gearbox with three intermeshing gear wheels, two of which can mesh with the rack, which gearbox is tiltably mounted in regard to the drawer.
  • This second solution according to the invention actually means that the gear wheels of the anti-rack system project behind the rear end of the drawer, but are tilted under the bottom face of the drawer, so that in this solution, too, the rear end of the drawer in the completely closed position practically abuts against the rear wall of the cabinet housing the drawer.
  • a corner 4 of a rear end of a suspension frame type drawer 1 in which corner 4 a side wall 2 and a rear end 3 of the drawer 1 are interconnected in any suitable manner.
  • a fastening block 5 usually made of plastic material is disposed on the side wall 2 of drawer 1.
  • This fastening block 5 serves to include a slide block 6 supporting a shaft 7.
  • a gear wheel 8 Disposed on the end of shaft 7 is a gear wheel 8 projecting beyond the plane of side wall 2.
  • the fastening block 5 is preferably provided with a horizontal slot 9, which can be more or less closed by means of an adjusting screw, not shown, for adjusting the gear wheel 8 to the correct height.
  • a telescopic guide 10 consisting of a drawer section 11, which, as indicated by arrows P, is secured to the side wall 2 of drawer 1.
  • the telescopic guide 10 further comprises a central section 12 and a cabinet section 13, on the underside of which a rack 14 is disposed by means of clamping blocks 15.
  • the cabinet section 13 is intended to be mounted to the inner wall of a cabinet (not shown), in which the drawer 1 can be arranged.
  • the rack 14 may of course also be mounted to the top side of cabinet section 13. In that case the shaft 7 and the gear wheels 8 mounted thereon are of course secured to the top side of drawer 1.
  • FIG. 2-5 there is shown the anti-rack system according to the invention, in which, in Fig. 2, the suspension frame 1 is in the completely opened position and the drawer section 11 is completely pulled out of the cabinet section 13.
  • the two sections 11, 13 remain interconnected by means of the central section 12.
  • the rack 14 disposed on the underside of cabinet section 13 is provided with an extension piece 16, the bottom face of which is provided with teeth 19, which, in the position shown, are in the same principal plane as the teeth of rack 14.
  • the extension piece 16 is tiltably mounted on a pivot 20, which is suitably connected to the end of rack 14.
  • the extension piece 16 is provided with a stop face 17 ensuring that in the completely lowered position of extension piece 16 the teeth 19 thereof mesh with those of rack 14.
  • the gear wheel 8 mounted on the shaft 7 engages the teeth 19 of extension piece 16 and is outside the cabinet not shown, the front of which is at some distance from the end of cabinet section 13.
  • extension piece 16 is provided with a curved end 18, the function of which will be explained hereinafter.
  • the drawer 1 is shown in three different positions.
  • the gear wheel 8 In the completely opened position (Fig. 3) the gear wheel 8 is outside the front end of cabinet section 13 and engages the teeth 19 of extension piece 16.
  • the curved end 18 of extension piece 16 abuts against the bottom face of central section 12.
  • the extension piece 16 When pulling out the suspension frame 1, the extension piece 16 is brought into the lowered position by the central portion 12 and kept in that position.
  • a second embodiment of the drawer according to the invention there is shown a second embodiment of the drawer according to the invention, the same reference numerals as in Figs. 3-5 being used for corresponding parts.
  • the gear wheel 28 foremost in the opening direction R is mounted on a stud 27, which is connected to the suspension frame 1 in the same manner as shown in Fig. 1.
  • the gear wheel 28 is included in a gearbox 32, which further contains the gear wheels 33 and 34.
  • the gear wheel 33 can mesh with the rack 14, as can the gear wheel 28.
  • the gear wheel 34 engages the two gear wheels 33, 28 and only serves to synchronize the movement of these gear wheels 33, 28.
  • the gearbox 32 may consist of a bearing plate pivotable on stud 27.
  • the gear wheel 28 is arranged in front of the rear face of suspension frame 1, seen in the opening direction. In the completely opened position of suspension frame 1, the gear wheel 33 is arranged behind the rear face of suspension frame 1 and this gear wheel 33 just engages the end of rack 14.
  • a guide section 31, Disposed under the rack is a guide section 31, which, near the rear end of cabinet section 13, has a downwardly curved portion 36.
  • This guide section 31, 36 may also consist of a guide slot arranged in a side wall 30 projecting downwardly under the rack 14.
  • the gear wheel 33 is provided with a laterally projecting stub 35, pointing forwards from the plane of the drawing, which is received in the guide section 31.
  • the gear wheel 33 rolls over the rack 14.
  • the gear wheel 28 After the suspension frame 1 has been pushed in over some distance, the gear wheel 28 likewise engages the rack 14, so that the two gear wheels 33, 28 roll over the rack 14 along a substantial part of the translation movement of suspension frame 1.
  • the gear wheel 33 At the end of the closing movement the gear wheel 33 is forced by the projecting stub 35 to follow the curved portion 36 of guide section 31, 36, so that the gear wheel 33 leaves the position in which it engages the rack 14.
  • the anti-racking effect is now exclusively adopted by the gear wheel 28, the stud 27 and the corresponding gear wheel 28 disposed at the other end thereof.
  • the gearbox 32 makes a tilting movement about the stud 27, until, as shown in Fig. 8, the gearbox 32 has tilted through 90° and the gear wheel 28 has arrived at the end of the rack.
  • the suspension frame 1 is now in the completely housed position, with the rear end of suspension frame 1 practically abutting against the rear wall of the cabinet not shown.
  • gear wheels 28 When pulling out the suspension frame 1, the gear wheels 28 roll over the respective racks 14, until the gearbox has been tilted through about 90° and the gear wheel 33 engages the rack 14. In order to cause the gear wheel 33 to properly engage the rack, there is provided an intermediate or synchronizing gear wheel 34, which ensures that the teeth of gear wheel 33 do not rub on the teeth of rack 14.

Landscapes

  • Drawers Of Furniture (AREA)
  • Paper (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Claims (10)

  1. Tiroir coulissant pourvu sur chaque côté d'un coulisseau télescopique (10) composé d'une section en tiroir (11), d'une section centrale (12) et d'une section en coffret (13), chaque section en coffret étant munie d'une crémaillère (14) en prise avec une roue d'engrenage fixée au tiroir (1) et montée sur un arbre (7), caractérisé en ce que chaque crémaillère (14) est munie sur la face de traction de la section en coffret (13) d'une pièce d'extension (16) basculante fixée à ladite crémaillère (14) et présentant des dents (19), laquelle pièce d'extension peut être abaissée lorsque le tiroir (1) est extrait et relevée lorsque le tiroir (1) est refermé.
  2. Tiroir selon la revendication 1, caractérisé en ce que la pièce d'extension (16) est munie d'une extrémité incurvée (18), laquelle, lorsque la pièce d'extension (16) se trouve en position abaissée, se trouve dans le trajet de déplacement d'une saillie latérale (21) du tiroir (1).
  3. Tiroir selon l'une des revendications 1 ou 2, caractérisé en ce que la pièce d'extension (16) est munie sur sa face tournée vers la crémaillière (14) d'une face d'arrêt (17) pour aligner ladite pièce d'extension (16) en position abaissée.
  4. Tiroir selon l'une des revendications 1 à 3, caractérisé en ce que les deux roues d'engrenage (8) fixées au tiroir (1) sont disposées sur un arbre traversant (7) à l'avant de l'extrémité postérieure (3) du tiroir (1) vu dans la direction d'ouverture (R).
  5. Tiroir selon la revendication 1, caractérisé en ce que la roue d'engrenage (28) en prise avec la crémaillère (14) est comprise dans un carter d'engrenages (32) avec trois roues d'engrenage en prise (28, 33, 34) dont deux (28, 33) peuvent s'engrener avec ladite crémaillière (14), lequel carter d'engrenages (32) est monté à basculement en regard du tiroir (1).
  6. Tiroir selon la revendication 5, caractérisé en ce qu'une section de guidage (31, 30) est présente sous chaque crémaillière (14) laquelle section de guidage reçoit de manière guidable un tenon (35) faisant saillie au-delà de la roue d'engrenage (33) à l'extrémité postérieure dans la direction d'ouverture (R) du tiroir (1), ladite section de guidage (31, 36) possédant une partie incurvée vers le bas (36) à proximité de l'extrémité de la section (13) en coffret qui est à l'extrémité postérieure dans la direction d'ouverture (R).
  7. Tiroir selon l'une des revendications 5 à 6, caractérisé en ce que la partie incurvée (36) de la section de guidage (31, 36) est telle que, lorsque le tiroir (1) est en position complètement fermée, le carter d'engrenages (32) est basculé d'environ 90°, tandis que, dans cette position, la roue d'engrenage (28) la plus en avant dans la direction d'ouverture (R) entre en prise avec la crémaillère (14).
  8. Tiroir selon l'une des revendications 5 à 7, caractérisé en ce que, lorsque le tiroir (1) est en position complètement ouverte, la roue d'engrenage (33) à l'extrémité postérieure dans la direction d'ouverture (R) entre en prise précisément avec l'extrémité de la crémaillère (14).
  9. Tiroir selon l'une des revendications 5 à 8, caractérisé en ce que la roue d'engrenage (28) à l'extrémité avant dans la direction d'ouverture (R) est disposée à l'avant de la face postérieure (3) du tiroir (1) vu dans la direction d'ouverture (R).
  10. Tiroir selon l'une des revendications 5 à 9, caractérisé en ce que la crémaillière (14) et la section de guidage (31, 36) sont combinées en une seule pièce, ladite section de guidage (31, 36) se composant d'une fente de guidage disposée dans une paroi latérale (30) faisant saillie sous la crémaillère (14).
EP92201200A 1991-05-02 1992-04-29 Système d'anti-fléchissement pour le guidage de tiroirs Expired - Lifetime EP0512615B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100758 1991-05-02
NL9100758A NL9100758A (nl) 1991-05-02 1991-05-02 Anti-schranksysteem voor een schuiflade.

Publications (2)

Publication Number Publication Date
EP0512615A1 EP0512615A1 (fr) 1992-11-11
EP0512615B1 true EP0512615B1 (fr) 1995-08-09

Family

ID=19859196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92201200A Expired - Lifetime EP0512615B1 (fr) 1991-05-02 1992-04-29 Système d'anti-fléchissement pour le guidage de tiroirs

Country Status (6)

Country Link
EP (1) EP0512615B1 (fr)
AT (1) ATE126028T1 (fr)
DE (1) DE69203929T2 (fr)
DK (1) DK0512615T3 (fr)
ES (1) ES2075592T3 (fr)
NL (1) NL9100758A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1649782A2 (fr) 2004-10-22 2006-04-26 Fulterer Gesellschaft m.b.H. Glissières pour tiroirs

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19718069C1 (de) * 1997-04-29 1998-05-28 Schock Metallwerk Parallelauszugführung
US6988626B2 (en) * 1998-07-31 2006-01-24 Varghese Paily T Computer component rack mounting arrangement
AT410162B (de) * 1999-03-17 2003-02-25 Blum Gmbh Julius Vorrichtung zur stabilisierung des laufverhaltens einer in einem möbelkorpus verfahrbaren schublade
EP1036526B1 (fr) * 1999-03-17 2005-08-24 Julius Blum GmbH Dispositif pour la stabilisation du comportement d'un tiroir déplaçable dans un corps de meuble
DE10210609B4 (de) * 2002-03-11 2004-02-19 Fujitsu Siemens Computers Gmbh Anordnung zur Sicherung eines ausgezogenen Einschubs in einem Rack
DE20312396U1 (de) * 2003-08-12 2004-12-23 Gebr. Willach Gmbh Schubladenführung
CA2492681A1 (fr) 2004-01-16 2005-07-16 Maytag Corporation Dispositif stabilisateur de pignon et cremaillere
DE202004016393U1 (de) * 2004-10-21 2005-12-29 Grass Gmbh Vorrichtung zur Stabilisierung des Laufverhaltens eines in einem Möbelkorpus fahrbaren Möbelteiles
DE202005006759U1 (de) 2005-04-26 2006-10-05 Paul Hettich Gmbh & Co. Auszugsführung
DE202005018514U1 (de) * 2005-11-26 2007-04-12 Hettich Paul Gmbh & Co Kg Schublade
KR100790543B1 (ko) * 2006-10-25 2008-01-02 엘지전자 주식회사 바스켓출납용 레일어셈블리
DE202008015848U1 (de) 2008-11-29 2010-04-15 Paul Hettich Gmbh & Co. Kg Synchronführung eines Schubelementes
EP2186437A2 (fr) 2008-09-11 2010-05-19 Paul Hettich GmbH & Co. KG Guidage synchrone d'un élément de poussée
DE202008012077U1 (de) 2008-09-11 2010-02-25 Paul Hettich Gmbh & Co. Kg Synchronführung eines Schubelementes
DE202009006021U1 (de) * 2009-04-22 2010-09-09 Paul Hettich Gmbh & Co. Kg Auszugsführung
DE202012002127U1 (de) * 2012-02-29 2013-06-06 Grass Gmbh Vorrichtung zur Stabilisierung des Laufverhaltens eines in einem Möbelkorpus verfahrbaren Möbelteils

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2174181A (en) * 1938-11-05 1939-09-26 Remington Rand Inc Overtravel drawer support
CH240433A (de) * 1944-05-09 1945-12-31 Union Kassenfabrik Ag Auszugseinrichtung für Schubladen und dergleichen.
US4324439A (en) * 1980-01-10 1982-04-13 Standard Precision, Inc. Anti-rack system for wide drawers and the like
FR2605202B1 (fr) * 1986-10-15 1990-06-01 Folliet Henri Installation de rangement et de stockage temporaire pour pieces et materiels divers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1649782A2 (fr) 2004-10-22 2006-04-26 Fulterer Gesellschaft m.b.H. Glissières pour tiroirs

Also Published As

Publication number Publication date
DE69203929T2 (de) 1996-04-04
DK0512615T3 (da) 1995-12-18
DE69203929D1 (de) 1995-09-14
EP0512615A1 (fr) 1992-11-11
ES2075592T3 (es) 1995-10-01
ATE126028T1 (de) 1995-08-15
NL9100758A (nl) 1992-12-01

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