EP0479714B1 - Système à rouleaux pour tiroirs coulissants - Google Patents

Système à rouleaux pour tiroirs coulissants Download PDF

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Publication number
EP0479714B1
EP0479714B1 EP91810279A EP91810279A EP0479714B1 EP 0479714 B1 EP0479714 B1 EP 0479714B1 EP 91810279 A EP91810279 A EP 91810279A EP 91810279 A EP91810279 A EP 91810279A EP 0479714 B1 EP0479714 B1 EP 0479714B1
Authority
EP
European Patent Office
Prior art keywords
roller
support roller
support
drawer
guide
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
EP91810279A
Other languages
German (de)
English (en)
Other versions
EP0479714A1 (fr
Inventor
Laurent Jeannet
Heinz Schmidhauser
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.)
Hawa Sliding Solutions AG
Original Assignee
EKU AG
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Filing date
Publication date
Application filed by EKU AG filed Critical EKU AG
Publication of EP0479714A1 publication Critical patent/EP0479714A1/fr
Application granted granted Critical
Publication of EP0479714B1 publication Critical patent/EP0479714B1/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
    • 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

Definitions

  • the present invention relates to a roller pull-out device for drawers according to the preamble of patent claim 1.
  • Roller pull-out devices are known. If full extension is to be possible, these should consist of three parts, namely a carcass part, a drawer part and a slider part connecting the carcass part to the drawer part.
  • support rollers are arranged on the runner part, which enable the drawer to be pulled out with little resistance and absorb the compressive forces exerted on the pull-out device by the weight of the drawer.
  • the lateral forces that arise due to asymmetrical introduction of the pull-out forces are in most cases taken over by the side flanks of the support rollers or by plastic sliding profiles.
  • Such a roller pull-out device is known from US Pat. No.
  • the two guide rollers with a vertical axis of rotation penetrate the vertical web of the runner part and come into contact with the body part on the outside as soon as the runner part runs into the body part, so that when the drawer is pushed in, the runner part cannot come into frictional contact with the fixed body part, but instead can roll on the body part.
  • Exact lateral guidance of the drawer by these rollers could only be achieved if the drawer cutout in the cabinet were of the highest precision, which is not possible in practice.
  • there is no lateral guidance by the rollers with the vertical axes of rotation as soon as the front part of the rotor part is moved out of the body. Lateral guidance is therefore only conditionally available when the drawer is fully inserted.
  • the invention has set itself the task of providing a roller pull-out device which allows the drawer to be easily pulled out or pushed in under all conditions - in any possible pull-out position.
  • This object is achieved by a roller pull-out device with the features of patent claim 1.
  • Further advantageous embodiments of the invention are defined in the dependent claims.
  • the items at the back such as the hanging files in the drawer or pull-out frame, are then easily accessible.
  • the guidance in both the horizontal and vertical directions is always flawless and guaranteed over the entire extension length.
  • the staggered support rollers allow the drawers to be inserted smoothly and smoothly.
  • the side cabinet 1 in FIG. 1 essentially consists of a rectangular box or body 3 open at the front, on the side walls of which 5 roller pull-out rails 7 are fastened.
  • two rectangular suspension file frames 9, consisting of two side frame plates 11 and two frame struts 13 extending transversely to the pull-out direction, are inserted so that they can be pulled out.
  • the upper frame 9 shown is fully extended; the lower one fully inserted.
  • two intermediate webs 15 are used, which serve to support the inner hooks 17 of hanging cases 19.
  • An intermediate floor 21 can be inserted between the hanging table frame 9 arranged above and below.
  • the roller pull-out device consists of the three main parts, namely a body part 23, a drawer part 25, which can simultaneously form the side frame plate 11 of a hanging file frame 9, and a runner part 27, which connects the body part 23 to the drawer part 25.
  • the structure of the rotor part 27, shown enlarged in FIG. 3, is explained in more detail.
  • the rotor part 27 consists of a rotor plate 29 produced by a punching and bending or rolling operation, the lower edge 31 and upper edge 33 of which are bent at right angles.
  • a first support roller 35 is attached in such a way that whose apex S projects above the upper edge 33.
  • the second support roller 37 is attached to the lower front end, the apex of which lies below the lower edge 31.
  • a third support roller 39 and a fourth support roller 41 are attached to the rotor plate 29 vertically one above the other or offset by a small distance.
  • a fifth support roller 43 is fastened between the first and the fourth support roller, likewise in the area of the lower edge 31, and a sixth support roller 45 is fastened at the top between the second and third support rollers.
  • the axes of rotation of the support rollers 35, 39 and 45 or the axes of rotation of the support rollers 37, 41 and 43 each lie in a common, horizontal plane running at right angles to the rotor plate 29.
  • a support 47 is fastened to the folded lower edge 31 below the sixth support roller 45.
  • the support 47 is preferably made of plastic and snapped into an opening in the lower edge 31. It can be ramp-shaped, and its apex X is laterally displaced to a vertical plane through the axis of rotation of the support roller 45.
  • a seventh support roller can also be provided.
  • a first guide roller 49 with a vertical axis of rotation is fastened to the horizontally extending web of the lower edge 31.
  • the jacket of the first guide roller 49 projects beyond the outer surface of the rotor plate 29.
  • a second guide roller 51 of similar design and arrangement is fastened between the support rollers 43 and 41 on the lower edge 31.
  • the guide roller 51 is preferably very close to the support roller 41.
  • the mode of operation of the three-part pull-out device is explained in more detail using the perspective illustration in FIG.
  • the carcass part 23 consists of a carcass plate 53, the longitudinal edges of which are folded twice by an angle of 90 ° each, and an upper guideway 55 and a lower guideway 57 for the support rollers 35 and 41, which is U-shaped by the laterally curved edge 56 and form 43.
  • a punched out on the lower guideway 57, down and back away ramp 59 is used to hold it in the inserted position when the suspension file frame 9 or a drawer is pushed in, by the guide roller 43 rolling down the ramp 59 due to the weight of the frame 9.
  • a retaining ramp 61 protruding forward on the upper guide track 55 serves to prevent the rotor part 27 from leaving the body part 13.
  • the two support rollers 41 and 37 which roll in the lower guide 57, bear the weight of the drawer.
  • the roller 37 is initially supported on the guide 57; but it constantly carries the load of the drawer on a guide 63.
  • the support rollers 35 and 45 prevent tilting forward and support the drawer on the upper guideway 55 and on the upper edge 33, respectively.
  • the drawer part 25 which, depending on the use of the pull-out device 7, is designed as a side frame plate 11 of the suspension file frame 9, has the U-shaped guide rail 63 on the side, the legs of which are directed downward.
  • the guide surface 65 formed by the guide rail 63 bears against the support roller 37 with the lower guide surface 65 and against the support roller 45 from below with the guide surface 67 located above.
  • the ramp-shaped support 47 lies below the support roller 45.
  • a stop cam 71 on the lower edge of the runner part 27 prevents the drawer part 25 can be shifted to the right beyond the position shown in FIG.
  • the guide rollers 49 and 51 are in all positions of the pull-out device, i.e. completely pushed together, fully extended or in intermediate positions always with little play laterally guided in the U-shaped lower guide track 57 of the carcass part 23.
  • the upper guide surface 63, or the horizontal leg forming the guide surface 67, is chamfered at the rear end both above and below and is thus wedge-shaped. This enables smooth, jerk-free insertion of the guide surfaces 65 and 67 of the drawer part 25 between the two support rollers 39 and 41.

Claims (6)

  1. Dispositif de rallonge à rouleaux pour tiroirs coulissants se composant d'une partie de corps (23), d'une partie de tiroir (25) ainsi que d'un élément curseur (27) reliant la partie de corps (23) à la partie de tiroir (25), élément curseur sur lequel sont disposés un premier rouleau d'appui (35) situé à la partie supérieure de l'extrémité arrière, un second rouleau d'appui (37) situé à la partie inférieure de l'extrémité avant, ainsi qu'au centre un troisième rouleau d'appui (39) situé en haut et un quatrième rouleau d'appui (41) situé en bas et sur lequel sont fixés, à son extrémité arrière un premier rouleau de guidage (49) et, au voisinage du quatrième rouleau d'appui (41), un second rouleau de guidage (51) à axe de rotation vertical, caractérisé par le fait que sur le rebord inférieur de la partie de corps (23) est disposé un chemin de guidage (57) agencé en forme de U pour le guidage latéral du premier rouleau de guidage (49) et du second rouleau de guidage (51) disposé dans la zone centrale du rebord inférieur (31) de l'élément curseur (27).
  2. Dispositif de rallonge à rouleaux selon la revendication 1, caractérisé par le fait que le second rouleau de guidage (51) est disposé directement derrière le quatrième rouleau d'appui (41).
  3. Dispositif de rallonge à rouleaux selon l'une des revendications 1 ou 2, caractérisé par le fait que les rouleaux de guidage (49, 51) sont introduits avec un faible jeu dans le chemin de guidage (57) en forme de U.
  4. Dispositif de rallonge à rouleaux selon l'une des revendications 1 à 3, caractérisé par le fait que le troisième rouleau d'appui (39) est disposé à la verticale du quatrième rouleau d'appui (41) ou est décalé d'une faible distance au-dessus de celui-ci et qu'un sixième rouleau d'appui (45) est fixé dans un plan horizontal devant le troisième rouleau d'appui (39) sur l'élément curseur (29).
  5. Dispositif de rallonge à rouleaux selon la revendication 4, caractérisé par le fait qu'un appui fixe (47) ou un septième rouleau d'appui est disposé à la verticale sous le sixième rouleau d'appui (45).
  6. Dispositif de rallonge à rouleaux selon l'une des revendications 1 à 5, caractérisé par le fait que, sur la partie de tiroir (25) est disposée une barrette horizontale formant chemin de guidage (63 et 65) dont l'extrémité arrière tournée vers la partie de corps (23) est construite en forme de coin.
EP91810279A 1990-10-01 1991-04-15 Système à rouleaux pour tiroirs coulissants Expired - Lifetime EP0479714B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3143/90 1990-10-01
CH3143/90A CH681271A5 (fr) 1990-10-01 1990-10-01

Publications (2)

Publication Number Publication Date
EP0479714A1 EP0479714A1 (fr) 1992-04-08
EP0479714B1 true EP0479714B1 (fr) 1995-03-15

Family

ID=4249536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91810279A Expired - Lifetime EP0479714B1 (fr) 1990-10-01 1991-04-15 Système à rouleaux pour tiroirs coulissants

Country Status (4)

Country Link
EP (1) EP0479714B1 (fr)
AT (1) ATE119749T1 (fr)
CH (1) CH681271A5 (fr)
DE (1) DE59104953D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008017061U1 (de) * 2008-12-23 2009-04-09 Grass Gmbh Vorrichtung mit einer Führungseinheit zur Führung eines relativ zu einem Korpus bewegbaren Möbelauszugs und Möbel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2869961A (en) * 1955-08-29 1959-01-20 Mc Graw Edison Co Drawer suspension
AT360695B (de) * 1975-07-22 1981-01-26 Blum Gmbh Julius Doppelauszugeinrichtung
AT378899B (de) * 1981-02-19 1985-10-10 Blum Gmbh Julius Ausziehfuehrungsgarnitur fuer schubladen, fachboeden od. dgl.
FR2503554A3 (fr) * 1981-04-10 1982-10-15 Atal Glissiere extensible double pour tiroir

Also Published As

Publication number Publication date
ATE119749T1 (de) 1995-04-15
CH681271A5 (fr) 1993-02-26
EP0479714A1 (fr) 1992-04-08
DE59104953D1 (de) 1995-04-20

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