EP1468632B1 - Slide device for extensible furniture parts - Google Patents

Description

The invention relates to an extraction device for pull-out furniture parts, in particular Drawers, which on both sides of the pull-out furniture part a on the furniture body fixable carcass rail with an upper and a lower Catwalk and a connecting this side bar, one on the extendable furniture part fixable pull-out rail with upper and lower walkway and a side bridge connecting them and a center rail with a in the area between the catwalks of the pull-out rail projecting upper catwalk and has a side web extending downwardly therefrom, wherein the displacement of the center rail relative to the carcass rail and the Extending over the middle rail rollers are provided and the between the upper catwalk of the middle rail and the catwalks of the pull-out rail running rollers kept by at least one carriage and distanced from each other and in the region of the rear end of the middle rail on its side web a roller is rotatably mounted, with the catwalks the carcass rail cooperates, and in a central region of the longitudinal extent the center rail on the center rail rotatable a drive roller is stored at the bottom of the lower catwalk of the pull-out rail and rolls off at the top of the upper catwalk of the carcass rail.

In order for a pull-out furniture part, such as a drawer, at least To achieve a full extension of the furniture body, telescopic extensions are different Have become known type in which the individual rails telescopically are expandable. For load transfer between the rails here rolling elements in the form of balls or rollers are provided, wherein at the role statements on the one hand extracts are known in which the roles of Axles of the rails are rotatably mounted, on the other hand, such extracts, at which are arranged between the rails carriages, which are the rollers store and space. Although by far the vast majority of extractors either only axle-mounted or only in carriages mounted rollers already some mixed designs have become known, in which between two of the rails axle-mounted rollers transfer the load and provided between the other two rails in carriages mounted rollers are.

In conventional telescopic extensions has the disadvantage that the extendable Furniture part mounted pull-out rail and the center rail one after the other be pulled out, during the extension movement, the pull-out at its end stop pushes. Therefore extracts have already been developed where additional measures are foreseen to be simultaneous or to achieve synchronized extension of the rails during the pull-out movement. When extracting the DE 92 19 064 U1 this is for example a deflection rollers guided traction means provided by which the movement of between The individual rails arranged carriage is synchronized. Furthermore, it is known to rotatably support a driver roller on the middle rail, which rolls between catwalks of the carcass rail and the pull-out rail. Such synchronized telescopic extensions are for example from the AT 392 883 B and EP 11 90 646 A1. These are excerpts the "hanging" design, in which the displacement of the drawer rail opposite the middle rail serving rollers below the for shifting the middle rail opposite the carcass rail serving rollers are arranged. The reverse arrangement of the rollers will be referred to as Designated "standing" type.

A synchronized telescopic extension of the standing type, the one at the center rail has rotatably mounted drive roller is from the AT 372 830th known. All pulleys of this pullout are rotatably mounted on axles which contact attached to the rails, with both the lower and the upper web the center rail each rotatable two spaced apart rollers are stored and related to the pull-out the upper roller pair in the front section, the pair of rollers at the bottom, however, in the back Section of the corresponding vertical webs of the center rail lie. ever according to the position of the load in the drawer, the roller arrangement of AT 372 830 cause the inserted rails to slightly tilt against each other, which affect the Leichgängigkeit the leadership during the subsequent undressing can and because of the thereby inclined front panel of the Drawer unsatisfactory aesthetic sight leads.

Other telescopic extensions of the stationary type with axle-mounted rollers are apparent from the AT 349 170 B and DE 24 37 910 A1, wherein in these Pullers no synchronized running of the rails takes place. A synchronous telescopic extension the standing type, in which between all rails Rollers are provided in the carriage is further from the already mentioned DE 92 19 064 U1 known.

From EP 0 761 133 A1 a synchronized telescopic extension of the beginning mentioned type, in which between the puller rail and the center rail arranged in carriages rolling elements are arranged and for load transfer between the middle rail and the carcass rail further on at Middle rail in a rear region of the same rotatably mounted roller is provided. For load transfer of the extendable furniture part bearing The pull-out rail on the carcase rail also serves for the middle rail rotatably mounted drive roller, which on the center rail by means of an axis or be stored without axle. The pull-out rail is in one down attached to the open side wall frame of the drawer. For lateral guidance of the middle rail is at the front end of the carcass rail at least one preferably arranged made of plastic slider. For fastening the carcase rail on the furniture body, the lower catwalk of the carcase rail is extended and at its end remote from the side bridge with a vertical upward provided extending fastening web. This attachment web extends extends over the height of the center rail and points in its above the center rail lying region in the longitudinal direction of the carcass rail from each other spaced holes through which the extractor on the furniture body can be screwed. To attach the extractor to the furniture body is with removed drawer in the extended state of the extractor the mounting bar screwed to the furniture body. As a result, the Sidewall frames placed on the slide rails and attached to this.

The object of the invention is to provide an improved extraction device of the above called type to provide a relatively low cost of materials for the Rails, has a high level of refinement and easy and inexpensive can be produced. According to the invention, this is achieved by means of an extraction device the features of claim 1.

In an advantageous embodiment of the invention it is provided that in the upper Catwalk of the carcass rail in the area of the front end of the carcass rail one to the back of the front roller of the carcass rail extending Recess for inserting the rear roller of the center rail in the Area between the two catwalks of the carcass rail is formed. advantageously, are in the attached to the furniture body state of the two Carcass rails and attached to the pull-out furniture part state of Both Ausziehschienen and in the interconnected state of the middle rails and the Ausziehschienen the middle rails can be used in the carcass rails or removable from these. It results in this way one very advantageous mounting option of the extract. First, the pull-out rail in the interconnected state of the rails on the extendable Furniture part, such as the drawer are attached. In this condition can also be the extendable furniture part with the attached extractor be transported. For mounting in the furniture body then the body rails unmounted from the middle rails and the carcass rails can be screwed to the furniture body, without this being a hindrance comes through the middle rails. As a result, the middle rails again inserted into the body rails attached to the furniture body.

Fig. 1

eine perspektivische Darstellung einer Ausziehschiene;

Fig. 2

eine perspektivische Darstellung der zugehörigen Mittelschiene, wobei der Laufwagen mit den zwischen der Ausziehschiene und der Mittelschiene angeordneten Rollen auf den oberen Laufsteg aufgeschoben ist (entsprechend einer mittleren Ausziehposition der Ausziehschiene gegenüber der Mittelschiene);

Fig. 3

die Mittelschiene mit dem Laufwagen aus einer im Vergleich zu Fig. 2 anderen Blickrichtung, die die andere Seite der Schiene zeigt (mit dem Laufwagen in seiner hinteren Endstellung);

Fig. 4

eine perspektivische Darstellung der zugehörigen Korpusschiene mit daran festgelegten Verbindungsteilen (aus einer Blickrichtung auf die gleichgerichtete Seite wie bei der Fig. 3, aber von schräg oben);

Fig. 5

eine perspektivisch Darstellung der zusammengesetzten Ausziehvorrichtung im zusammengefahrenen Zustand;

Fig. 6

eine Ansicht entsprechend Fig. 5 im vollständig ausgezogenen Zustand der Ausziehvorrichtung;

Fig. 7

die zusammengesetzte Ausziehvorrichtung in einer stimseitigen Ansicht von vorne (Blickrichtung A von Fig. 5);

Fig. 8

einen Querschnitt entlang der Linie B-B von Fig. 5;

Fig. 9

eine perspektivische Darstellung, die das Einfädeln der Mittelschiene in die Korpusschiene darstellt und

Fig. 10

eine perspektivische Darstellung des Laufwagens.

In den Fig. 5 bis 9 ist eine Blende bzw. Seitenwandzarge der Schublade auf die Ausziehschiene aufgesetzt. Die Fig. weisen unterschiedliche Maßstäbe auf.Further advantages and details of the invention are explained below with reference to the embodiment shown in the accompanying drawings. In the drawing show:

Fig. 1

a perspective view of a pull-out rail;

Fig. 2

a perspective view of the associated center rail, wherein the carriage is slid with the arranged between the puller rail and the center rail rollers on the upper catwalk (corresponding to a middle extension position of the puller rail relative to the center rail);

Fig. 3

the middle rail with the carriage from a different direction of view, in comparison to Figure 2, showing the other side of the rail (with the carriage in its rear end position).

Fig. 4

a perspective view of the associated carcass rail with connecting parts fixed thereto (from a viewing direction to the rectified side as in FIG. 3, but obliquely from above);

Fig. 5

a perspective view of the composite extractor in the contracted state;

Fig. 6

a view corresponding to Figure 5 in the fully extended state of the extractor.

Fig. 7

the composite extractor in a front-end view (viewing direction A of Fig. 5);

Fig. 8

a cross section along the line BB of Fig. 5;

Fig. 9

a perspective view illustrating the threading of the center rail in the carcass rail and

Fig. 10

a perspective view of the carriage.

In Figs. 5 to 9, a panel or side wall frame of the drawer is placed on the pull-out rail. The figures have different scales.

In the embodiment shown in the figures, only those seen from vome on the left side of the extendable furniture part arranged rails represented, wherein to be arranged on the other side of the pull-out furniture part Rails are mirror-symmetrical.

The on a furniture body 9, of which in Fig. 8 a section shown schematically is to be mounted trunk rail 20 has a C-shaped cross-section and includes an upper and a lower catwalk 24, 25 and a these catwalks connecting vertical side bar 23. The catwalks 24, 25 are each tiered and each have two horizontal offset in height Sections on. The lower catwalk 25 has further on his from the side bar facing away from an upward fold 26. Montage am Furniture carcass 9, for example a cabinet wall, takes place in this embodiment with the interposition of several in the longitudinal direction of the cabinet rail 20 spaced apart and fixed on the side web 23 Connecting parts 10. In the side bar these passing holes 27 formed, which are aligned with holes in the connecting parts 10. Through this Holes, the carcass rail 20 is screwed to the furniture body 9. In the area of the front end 21 with respect to the pull-out direction of the carcass rail 20 is on the side bar 23 on the side of the catwalks 24, 25 a roller. 1 rotatably supported, on a shaft attached to the side web 23 axis. In the area the rear end 22 of the carcass rail 20 is on the same side of the Side web 23 a stop 28 arranged.

The pull-out rail 40, whose front end with respect to the pull-out direction with the reference numeral 41 and the rear end with the reference numeral 42nd have upper and lower catwalks 44, 45, wherein the upper Catwalk wider, in the embodiment shown about twice as wide as the lower catwalk 45 is. The two catwalks are through a vertical side bar 43 interconnected. From the side bar 43 facing away from the end of upper catwalk 44 is a downwardly directed vertical web 46 from. With Exception of the opening between the end of the lower catwalk 45 and the Vertical web 46 is thus the pull-out rail rectangular in cross-section, in the illustrated Embodiment formed approximately square. In Figs. 5 to 9 is a Ausziehschiene 40 overlapping aperture 17 and side wall frame a drawer shown, via which the pull-out rail 40 with the extendable Furniture part 16 (see Fig. 8) is connected. The aperture 17, which is part of the Extractor or be considered part of the pull-out furniture part can, is open at the bottom and has on both sides of the pull-40 extending vertical webs, which are interconnected via a bridge web are. The outer vertical web extends to below the side bar 43 and thereby also conceals the middle rail at least partially. The inner one Side bar extends to the lower end of the extractor and has a laterally projecting support web for supporting the extendable furniture part 16 on.

The middle rail lying between the carcass rail 20 and the pull-out rail 40 30 has an upper catwalk 34 and a lower catwalk 35. The Upper catwalk 34 extends into the between the two catwalks 44, 45th the pull-out rail 40 lying area. On the side bar 43 of the pull-out rail 40 facing away from the upper catwalk 34 goes from this downwardly extending side bar 33 from. The side bar 33 is with a Gradation provided so that he a slightly closer to the furniture body 9 lying upper section and a slightly closer to the extendable furniture part 16 lying lower section. At the lower end of the side bar 33 closes at this over a bend an upwardly extending connecting web 36, from the upper end of the lower catwalk 35 goes out. At his from the connecting bridge remote end of the lower catwalk is with one after provided below bent 37.

In the area of the rear end 32 of the middle rail relative to the pull-out direction 30 is on the side bar 33 via the lower end of the side bar 33rd downwardly projecting roller 2 rotatably mounted on the side bar 33, and indeed via an attached to the side bar 33 axis. The roller 2 is on the Carcass rail 20 and the furniture body 9 facing side of the side bar 33 arranged. In a middle area of the longitudinal extent of the middle rail 30 is at its side web 33 on the same side as the roller 2 a Carrier role 3 rotatably mounted. The driver role 3 is at least in a subsequent to its outer periphery region of a soft elastic Material 4 (Figure 8), wherein this soft elastic material here from a on a hub 18 arranged in an inelastic plastic tread is formed. The driver roller 3 is in the illustrated embodiment with game mounted on a shaft 38 secured to the side web 33. In principle conceivable and would also be an axleless storage on the side bar 33rd

The lower catwalk 35 of the middle rail 30 protrudes into between the two Catwalks 24, 25 of the carcass rail lying area. At the bottom catwalk 35 is further a stop 39 to limit the extension of the center rail 30 provided from the carcass rail 20. By lifting the center rail 30, the stop 39 mounted on the on the carcass rail 20 Roller can be lifted.

The load transfer between the middle rail and the carcass rail takes place over the rollers 1, 2. The roller 1 of the cabinet rail rolls in the down directed track 11 at the bottom of the lower catwalk 35 of the center rail 30, wherein the track 11 laterally from the connecting web 36 and of the fold 37 is limited, whereby a lateral guidance of the roller 1 causes becomes. The rear roller 2 of the center rail 30 is in the retracted state and via a subsequent part of the pull-out at the after top-facing track 12 at the top of the lower catwalk 25 of the Carcass rail 20 on. The track 12 is laterally on the one hand by the fold 26, on the other hand limited by the gradation 29 in the lower catwalk, which a groove-shaped depression in the lower catwalk 25 is formed, in which the Runway 12 is arranged so that a lateral guidance of the roller 2 causes becomes. In the course of the extension movement takes place a load change, whereupon the roller 2 on the downwardly directed track 12 'at the bottom of the upper Catwalk 24 of the carcass rail is applied. Since the game of the roller 2 between the two catwalks 24, 25 is low, there is a side guide of the roller 2 as before by the fold 26 and the gradation 29 in the lower Catwalk 25. Furthermore, the upper catwalk 24 also has a gradation 29 ' on, which at least on one side a side guide of the roller 2 is effected.

For load transfer between the pull-out rail 40 and the middle rail 30th are rollers 5, 6 provided between the upper catwalk 44 of the pull-out and the upper catwalk 34 of the center rail and between the bottom catwalk 45 of the pull-out rail and the upper catwalk 34 of the middle rail roll. These rollers 5, 6 are in a carriage 13 in corresponding Recesses of the carriage are stored floating and from each other spaced. Furthermore, in the carriage 13 in corresponding recesses In vertical side walls guide rollers 7, 8 floatingly mounted, the on the one hand between the side web 33 of the middle rail 30 and the side web 43 of the pull-out rail 40 and on the other hand between the side web 33 of the middle rail Roll 30 and the vertical web 46 of the pull-out rail 30 and the Extend the rail laterally relative to the center rail 30.

The driver roller 3 runs on the one hand on the underside of the lower catwalk 45th the pull-out rail 40, on the other hand at the top of the upper catwalk 24th the carcass rail 20 and provides the synchronism of the rails 20, 30, 40th safe during the extraction or insertion process.

At the middle rail 30 are further tees 50, 51 attached, which is the displacement of the carriage 13 limit.

To limit the insertion movement of the pull-out rail 40 is at this provided on the carriage 13 abutting stop 47. In the area of rear end 42 of the pull-out rail 40 is another, not visible in the figures Stop provided for limiting the pull-out movement of the pull-out rail, in the fully extended state at the rear end of the Trolley 13 strikes.

The catwalks 24, 25 of the carcass rail 20 extending from the side bar 23 towards the extendable on the pull-out extendable Furniture part 16, d. H. the catwalks 24, 25 are thus on the furniture body 9 remote side of the side bar 23 of the carcass rail 20. The catwalks 44, 45 of the pull-out rail 40 extend from the connecting the catwalks Side bar 43 also towards the extendable on the pull-out extendable furniture part 16, d. H. the catwalks 44, 45 are on the remote from the furniture body 9 side of the side bar 43 of the pull-out rail 40th

The pull-out rail 40 and the middle rail 30 can advantageously already factory-connected, while the middle rail 30 in the carcass rail 20 can be used or removed from this. Here is in the upper Catwalk 24 of the carcass rail in the region of the front end 21 of the carcass rail a recess 52 is provided, which extends to the rear of the roller 1 of the carcass rail 20 extends. The distance between the end of the recess 52 and the roller 1 here is larger than the diameter of the roller. 2 In this way, the roller 2 of the center rail 30 in the area between the two catwalks 24, 25 of the carcass rail 20 are threaded, as shown in Fig. 9 is shown. By lifting the middle rail 30, the stop 39 can further be transferred via the roller 1.

Legend to the reference numbers:

1

caster

2

caster

3

tappet roller

4

soft elastic material

5

caster

6

caster

7

leadership

8th

leadership

9

furniture body

10

connecting part

11

career

12, 12 '

career

13

carriage

16

extendable furniture part

17

cover

18

hub

20

cabinet member

21

front end

22

rear end

23

side web

24

upper catwalk

25

lower catwalk

26

fold

27

drilling

28

attack

29, 29 '

gradation

30

middle rail

31

front end

32

rear end

33

side web

34

upper catwalk

35

lower catwalk

36

connecting web

37

fold

38

axis

39

attack

40

pull-out

41

front end

42

rear end

43

side web

44

upper catwalk

45

lower catwalk

46

vertical web

47

attack

50

attack

51

attack

52

recess

Claims (10)

1. A pulling-out device for pull-out furniture parts (16), particularly drawers, which, on both sides of the pull-out furniture part (16), has a carcass rail (20) which may be fixed to the furniture carcass (9) and has an upper and a lower running web (24, 25) and a side web (23) connecting these latter, a pulling-out rail (40) which may be fixed to the pull-out furniture part (16) and has an upper and a lower running web (44, 45) and a side web (43) connecting these latter, and a centre rail (30) with an upper running web (34) projecting into the region between the running webs (44, 45) of the pulling-out rail (40) and a side web (33) extending downwards from this running web (34), rollers (1, 2, 5, 6) being provided to displace the centre rail (30) with respect to the carcass rail (20) and the pulling-out rail (40) with respect to the centre rail (30), and the rollers (7, 8) running between the upper running web (34) of the centre rail (30) and the running webs (44, 45) of the pulling-out rail (40) being held by at least one carriage (13) and being distanced from one another, and a roller (2) being rotatably mounted on the side web (33) of the centre rail (30) in the region of its rear end (32) and cooperating with the running webs (24, 25) of the carcass rail (20), and a driver roller (3), which rolls along the underside of the lower running web (45) of the pulling-out rail (40) and along the upper side of the upper running web (24) of the carcass rail (20), being rotatably mounted on the centre rail (30) in a central region of the longitudinal extent of the centre rail (30), characterised in that the furniture carcass (9) may be fixed to the side web (23) of the carcass rail (20) which connects the upper and the lower running web (24, 25) of the carcass rail (20) and, starting from the side web (23) of the carcass rail (20), the running webs (24, 25) of the carcass rail (20) extend in the direction of the pull-out furniture part (16) which may be fixed to the pulling-out rail (40), in that, starting from the side web (43) of the pulling-out rail which connects the running webs (44, 45), the upper and the lower running web (44, 45) of the pulling-out rail (40) extend in the direction of the pull-out furniture part (16) which may be fixed to the pulling-out rail (40), in that the centre rail (30) has a lower running web (35) which projects into the region between the running webs (24, 25) of the carcass rail (20), and in that a roller (1), which rolls along the underside of the lower running web (35) of the centre rail (30), is rotatably mounted in the region of the front end (21) of the carcass rail (20).
2. A pulling-out device according to Claim 1, characterised in that the driver roller (3) is made of a flexible material (4), at least in a region adjoining its outer circumference.
3. A pulling-out device according to Claim 1 or Claim 2, characterised in that the lower running web (35) of the centre rail (30) is provided with a downwardly pointing bend (37) in the region of its end remote from the side web (33), said bend laterally delimiting the slideway (11) arranged on the underside of the lower running web (35) of the centre rail for the roller (1) mounted in the region of the front end (21) of the carcass rail (20).
4. A pulling-out device according to one of Claims 1 to 3, characterised in that the lower running web (35) of the centre rail (30) is connected to the side web (33) of the centre rail (30) by way of an upwardly extending connecting web (36) which starts from the lower end of the side web (33) and laterally delimits the slideway (11) arranged on the lower side of the lower running web (35) for the roller (1) mounted in the region of the front end (21) of the carcass rail (20).
5. A pulling-out device according to one of Claims 1 to 4, characterised in that the lower running web (25) of the carcass rail (20) is provided with a groove-shaped depression in which the slideway (12) for the roller (2) mounted in the region of the rear end (32) of the centre rail (30) is arranged.
6. A pulling-out device according to one of Claims 1 to 5, characterised in that, in the state in which the two carcass rails (20) are mounted on the furniture carcass (9) and in the state in which the two pulling-out rails (40) are mounted on the pull-out furniture part (16) and in the state in which the centre rails (30) and the pulling-out rails (40) are connected together, the centre rails (30) may be inserted into, and moved out of, the carcass rails (20).
7. A pulling-out device according to Claim 6, characterised in that a cutout (52) extending to the rear side of the front roller (1) of the carcass rail (20) for the purpose of guiding the rear roller (2) of the centre rail (30) into the region between the two running webs (24, 25) of the carcass rail (20) is constructed in the region of the front end (21) of the carcass rail (20).
8. A pulling-out device according to one of Claims 1 to 7, characterised in that, to delimit the pulling-out movement of the centre rail (30) from the carcass rail (20), a stop (39) for the front roller (1) of the carcass rail (20) is arranged on the lower running web (35) of the centre rail (30), it being possible to guide the stop (39) over the front roller (1) by raising the centre rail (30).
9. A pulling-out device according to one of Claims 6 to 8, characterised in that the pulling-out rail (40) and centre rail (30) are already inseparably connected together at the factory.
10. A pulling-out device according to one of Claims 1 to 9, characterised in that a downwardly extending vertical web (46) is arranged on the pulling-out rail (40) on the upper running web (44) at the end remote from the side web (43) of the pulling-out rail (40).

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