EP2174570A1 - Roller pullout guide - Google Patents

Abstract

The guide has a guide rail (3), and a roller (30) guided in the guide rail. A self-retraction device is provided with a spring-loaded, tiltably and displaceably supported tilt slide for retracting a furniture part in a slide-in direction (2), where the tilt slide includes a claw which engages on the roller for the retraction of the furniture part in the slide-in direction. The claw has a claw face that is section wise curved in the form of a circular arc and delimits an indentation in the claw. An independent claim is also included for a method for operating a roller pull-out guide.

Description

The present invention relates to a Rollenausziehführung for pulling out a furniture part of a furniture body in a withdrawal direction and for inserting the furniture part in the furniture body in a direction of insertion with at least one guide rail and at least one guided in this role and a Selbsteinzugsvorrichtung with a spring-loaded, tiltable and slidably mounted tilting slide for retracting the furniture part in the insertion direction.

Rollenausziehführungen this type are known per se. The self-closing device is used to automatically pull the furniture part completely in the direction of insertion into the furniture body, ie in the closed position, after the furniture part has been inserted a certain distance in the insertion direction, for example by hand in the furniture body. In the prior art, various solutions are known with tilting valves. It is also known to provide such intake mechanisms with insertion dampers to dampen the retraction movement of the Rollenausziehführung in the last section. Such a damped pull-in mechanism or self-closing device, in which the tilting slide cooperates with a slide-in damper, is for example from EP 1 532 892 A1 known. The tilting slide said self-closing devices cooperate with a driver, which is arranged on the extendable furniture part. Similar Selbsteinzugsvorrichtungen, but without damper go for example from the AT 401 334 B in which also a displaceable against the force of a spring tilt slide is available. The tilting slide is arranged tiltable about a tilting axis on a slide which can be moved in a straight line in the pull-out direction of the drawer against the force of the spring. At the time of the AT 393 948 B known Selbsteinzugsvorrichtung is also a tilt slide available, which is displaceable along a guideway against the force of a spring. The guideway has on a straight portion a bent portion which causes the pivoting of the tilting slide about an imaginary tilting axis in its tilted end position.

Object of the present invention is to provide a generic Rollenausziehführung in which with as few parts and as few processing steps high reliability can be guaranteed.

This is achieved by the tilting slide has a gripper, which for feeding the furniture part in the insertion direction on the roller attacks.

In other words, it is thus provided that the tilting slide engages itself via its associated gripper on a roll of Rollenausziehführung. It can therefore be applied to additional and common in the prior art driver such. Hook or similarly shaped parts on which the tilting slide attacks, be waived. This saves on the one hand processing steps, on the other hand also parts. In addition, such a Rollenausziehführung can also be built very compact. A particular advantage, however, lies in the fact that, despite sufficient movement play, a high degree of operational reliability can be ensured.

It is expediently provided that the roller is rotatably mounted, preferably rotatably mounted, on a second rail of the roller extension guide, preferably by means of a roller rotation axis fastened to the second rail. It is thus preferred that at least one roller is rotatably mounted on a rail. In addition, additional rollers may be rotatably mounted or fastened on the rails of the roller extension guide, preferably by means of their roller pivot axes. The role or roles preferably have a supporting function. In addition or as an alternative to the additional rollers mentioned, however, roller extension guides according to the invention can also be designed with conventional carriages in which balls and / or rollers are rotatably mounted. The guide rail may be, for example, the rail, which is fixed to the furniture body. These are usually called the carcase rail. The second rail is then conveniently the rail of Rollenausziehführung, which is attached to the relative to the furniture body slidably mounted furniture part. The guide rail and the second rail are then conveniently displaceably mounted by means of said rollers and / or carriages. On two opposite sides of the furniture part can ever be arranged such a Rollenausziehführung. The Rollenausziehführung may each have at least one further rail, for example, a middle rail, which is relatively movable or displaceable both to the guide rail, and to the second rail. Roller extension guides according to the invention can thus also be designed as differential slide guides known per se. A Rollenausziehführung, in which on each side of the furniture part three rails slidably to each other, are stored in each other, is in itself eg in the EP 1 532 892 A1 shown.

As already stated above, it is an essential basic idea of the invention that the tilting slide has a gripper which engages for retraction of the furniture part in the direction of insertion on the roller. The retraction of the furniture part includes two sections. First, the gripper of the tilting slide must engage the roller. This is referred to below as the contacting process. This is followed by the actual pulling-in process in which the self-closing device pulls over the tilting slide on the roller or the second rail connected thereto in the insertion direction. The above-mentioned retraction of the furniture part refers both to the attacking process as well as the Einziehvorgang. Now, in a first group of embodiments of the invention may be provided that both the contacting and the pulling operation on the engagement of the gripper of the Tilting slide on the roller takes place. A method for operating such, according to the invention Rollenausziehführungen can then provide that the tilting slide is tilted by hitting the roller on the gripper from a first tilted position to the second tilted position, which is brought by this tilting of the gripper and the roller engaged with each other and thereafter the roller is pulled on the gripper of the tilting slide hanging from the tilting slide in the insertion direction. In this procedure, the second rail is thus retracted by the gripper acts directly on the roller and thus pulled on the roller. These variants are characterized by the fact that very few parts are needed. However, they can have the disadvantage that increased frictional forces occur as a result of the gripper engaging the roller during the pulling-in process.

If one wishes to avoid these increased frictional forces, it can be provided in a second group of embodiments of the invention that the gripping of the gripper on the roller takes place only during the contacting process. It can therefore also be provided that the retraction of the furniture part in the insertion direction only partially, ie z. B. only the contacting process, takes place by the attack of the gripper on the roller. For the insertion process can be provided in these variants of the invention, other means with which the tilt slide on the second rail. In this sense, a preferred group of embodiments of the invention provides that on the tilt slide a first coupling part is arranged and on the second rail, a second coupling part is arranged, wherein the coupling parts are dissolved in a first tilted position of the tilting slide from each other and in a second tilted position of Tilting slide are engaged with each other, wherein in the first tilt position, the second rail and the tilt slide in the extension direction and / or in the insertion direction relative to each other are movable and in the second tilt position, the second rail and the tilt slide with respect to a movement in the pull-out direction and / or in the insertion direction with each other are positively coupled. Forced coupling means in this context, in particular, that rail and tilting slide can only be moved together in the pull-out direction and / or in the insertion direction in the second tilted position. A method for operating such a Rollenausziehführung may then provide that the toggle is tilted by the occurrence of the role on the gripper from the first tilted position to the second tilted position, this tilting the coupling parts are engaged with each other and then the second rail over the coupling parts is pulled on the tilting slide hanging from the tilting slide in the insertion direction. In these variants, it is thus provided that the tilting of the tilting slide takes place during the contacting process by engaging the gripper of the tilting slide on the roller, but during the subsequent retraction process the tilting slide engages directly on the second rail via the coupling parts engaged with one another, so that the Weight of the second rail and the associated piece of furniture to be recovered no longer acts on the roller via the gripper. As a result, the frictional forces between the roller and gripper can be minimized or eliminated during the pulling-in process.

In principle, the gripper of the tilting slide can attack at different points on the roller. For example, e.g. conceivable that the gripper of the tilting slide engages the roller rotation axis of the roller. Particularly preferably, however, it is provided that the roller has a running surface, with which it runs in the guide rail, and engages the gripper of the tilting slide on the running surface of the roller. This allows a particularly reliable roller extension guide which can still be equipped with a lot of movement play. In addition, this is also a very space-saving variant. It is preferably provided that the gripper one, preferably at least partially, e.g. has arcuately curved and / or a recess in the gripper limiting gripper surface, with which he attacks, preferably the tread, the roller. In order for the gripper of the tilting slide to be able to grasp the roller securely, preferred embodiments provide that the length of the gripper surface, measured in the withdrawal direction, is at least one-eighth, preferably at least a quarter, of the total circumference of the running surface of the roller. In particular, the part of the gripper surface is to be considered, which can actually embrace the role. In the case of curved gripper surfaces, the length specification refers to a measurement along the curved gripper surface in the pull-out direction and not to the pull-out, imaginary chord between the end points of the gripper surface.

The gripper may have a recess for receiving the roller, which is bounded by two preferably curved gripper legs.

In order to move the role following a possibly occurring malfunction of Rollenausziehführung back into the position in which they can be gripped by the gripper of the rocker arm, particularly preferred embodiments of the invention provide that at least one of the gripper legs is formed elastically deformable and has an oblique to the insertion direction starting bevel, wherein the role is pushed by tarnishing the roller against the chamfering surface and by elastic deformation of the gripper leg on the gripper arm over into the recess of the gripper.

In order to dampen the retraction movement of the movable furniture part when pulling in the insertion direction, it is possible to integrate in accordance with the invention Rollenausziehführungen per se known dampers for movable furniture parts. A particularly preferred embodiment provides that on the tilting slide, preferably in one piece, a damper part of a damper having at least two mutually movable damper parts, preferably rotational damper or linear damper, is arranged. This also minimizes the number of parts and space requirements.

Fig. 1 bis 13

verschiedene Ansichten und Bestandteile einer ersten erfindungsgemäßen Ausgestaltungsform;

Fig. 14 bis 24

ein zweites erfindungsgemäßes Ausführungsbeispiel und

Fig. 25 bis 36

ein drittes erfindungsgemäßes Ausführungsbeispiel.

Further details and features of preferred embodiments of the invention will be explained with reference to the following description of the figures. Showing:

Fig. 1 to 13

various views and components of a first embodiment of the invention;

FIGS. 14 to 24

a second embodiment according to the invention and

FIGS. 25 to 36

a third embodiment of the invention.

In the Fig. 1 and 2 the Rollenausziehführung the first embodiment of two different sides is shown. It has a guide rail 3 and a second rail 8 mounted displaceably therein. These two rails 3 and 8 can be pulled apart telescopically in the withdrawal direction 1 and pushed into each other in the opposite direction of insertion 2. In the illustrated embodiment, the guide rail 3 forms the carcass rail, which is usually attached to the (not shown here) furniture body. On the second rail 8, not shown here insertable and pull-out furniture part such as a drawer is attached. In the embodiment shown is a pure Rollenausziehführung. That is, the rails 3 and 8 are exclusively supported by rollers, here the rollers 30 and 9 to each other and slidably mounted. As already explained at the outset, however, all the exemplary embodiments shown can also be modified to the effect that on the one hand more than two rails, which are telescopically movable relative to one another, are provided. For example, as known per se, at least one middle rail may be mounted between the guide rail 3 and the second rail 8. This is particularly favorable in what are known as full extensions, in which the movable furniture part can be completely pulled out of the furniture carcass. On the other hand, it does not necessarily have to be a pure role leadership. As explained at the beginning, roller carriages mounted on rollers or balls, as known per se in the prior art, can be integrated into the roller extension guide instead of individual rollers.

For the sake of completeness it should be noted that usually on two opposite sides of the movable furniture part depending one of the in the Fig. 1 and 2 shown Rollenausziehführungen is arranged so that the movable furniture part is supported on both sides. In this case, however, not every Rollenausziehführung according to the invention must be performed with a corresponding Selbsteinzugsvorrichtung 5. In corresponding embodiments, it may well be sufficient if only one of the two, the movable furniture part associated Rollenausziehführungen is equipped according to the invention with a corresponding Selbsteinzugsvorrichtung 5.

As in the Fig. 1 and 2 can be seen, the Selbsteinzugsvorrichtung 5, seen in the insertion direction 2, arranged at the rear end of the guide rail 3. It acts as explained below in more detail with a role 4 together, which, as particularly good in the 3 and 4 can be seen, is rotatably mounted on the second rail 8 by means of its roller rotation axis 9. This roller 4 is arranged on, as seen in the insertion direction 2, the rear end of the second rail 8 and rotatably mounted with its roller rotation axis 9. Good to see in the Fig. 1 and 2 also the here designed as a rotary damper damper 24, which is connected in one piece with the tilting slide 6 in the embodiment shown. The details of the tilting slide 6 will be explained below. In the Fig. 1 and 2 In any case, it can be seen that the rotary damper 24 realized here, as the first damper part 22, has a toothed wheel, which is in a Rack 29 engages the housing 25. The gear 22 is rotatably mounted in the, the second damper part 23 forming the housing of the damper 24. Such dampers are known per se for furniture fitting parts. They can be designed in all known in the prior art embodiments.

The 3 and 4 now show the second rail 8 to which the movable furniture part is attached. It carries over the roller rotation axis 9. In the illustrated embodiment, that roller 4, which cooperates with the tilting slide 6 and its gripper 7. The gripper 7 generally designates the element of the tilting slide 6, with which this acts on the roller 4 and touches it. In the variant shown, this roller 4 is arranged on the rear end of the rail 8 in the insertion direction 2. Of course, this need not be so, the Selbsteinzugsvorrichtung 5 and its associated role 4 can of course also be placed further forward of the rails.

The FIGS. 5 and 6 show again separately the guide or cabinet rail 3 of this embodiment. In Fig. 6 is particularly good to see that the guide rail 3 is seen in the direction of insertion 2 angled in its rear end portion 27, wherein, as in the Fig. 1 and 2 to see the role 4 can retract into this end portion 27. By this in the operating position downwardly directed bending of the guide rail 3, the gravity of the self-closing device 5 helps the roller 4 and the entire second rail 8 in their in Fig. 1 and 2 move shown end position. In this end position, the roller 4 is conveniently located on the end stop 33 in the housing 25. In the FIGS. 5 and 6 is also good to see how the other roller 30 is seen in the direction of insertion 2 front end of the guide rail 3 is rotatably fixed by means of a corresponding roller rotation axis.

Based on Fig. 7 to 12 Now, the inventively executed Selbsteinzugsvorrichtung 5 of the first embodiment will be explained in detail. Fig. 8 shows a section along the in Fig. 7 shown section line AA, wherein the tilting slide 6 is in its, seen in the insertion direction 2, front position in which it receives the roller 4 and engages with the gripper 7. Fig. 9 shows the same situation as Fig. 8 However, in a non-cut side view. Fig. 11 shows a sectional view along in Fig. 10 shown section line BB, here the Selbsteinzugsvorrichtung 5 is shown in the end position, in which the roller 4 and thus the second rail 8 is completely retracted in the direction of insertion 2. The roller 4 is corresponding to the end stop 33 at. Fig. 12 again shows a non-cut side view of this situation.

The tilting slide 6 or its gripper 7 provided with this automatic retraction or self-closing device 5 has two gripper legs 15. These limit a recess 11 which serves to receive the roller 4. The gripper surface 12 is bent at least partially circular in the embodiment shown. With the gripper surface 12, the gripper 7 engages the running surface 10 of the roller 4. The bending radius 13 of the circular portion of the gripper surface 12 is between 100% and 110%, preferably between 100% and 105% of the Radius 14 of the tread 10 of the roller 4. It can thus, as explained above, a certain game between the roller 4 and gripper 7 may be provided without this would reduce the reliability of Selbsteinzugsvorrichtung 5.

The tilting slide 6 has, in this embodiment, two guide pins 17 and 18 spaced from each other in the direction of withdrawal 1. With these he is forcibly guided in the guideway 20 of the housing 25. The guide track 20 is groove-shaped in the illustrated embodiment and is bounded by two opposite side walls 19. At its front end seen in the direction of insertion 2, the guide track 20 has an angled or bent section 21, otherwise it is conveniently linear. In the angled portion 21 is a first, here in the insertion direction 2 front, guide pin 17 can be inserted. The present in this embodiment second guide pin 18 forms a pivot axis about which the tilt slide 6 pivots when the first guide pin 17 is inserted into the angled portion 21. As a result of this pivoting movement of the tilt slide 6 comes in, in the 8 and 9 standby position shown in which the roller 4 can run into the recess 11 of the gripper 7. If it does so and abuts against the rear leg 15 in the direction of insertion 2, the tilting slide 6 is displaced in the insertion direction 2 and thereby tilted back, whereby it is no longer held in the angled section 21 by means of the pin 17. This makes it possible for the tensioned spring 31 to pull the tilting slide 6 together with the roller 9 and the second rail 8 fastened thereto in the direction of insertion 2 until it is in the insertion direction 2 FIGS. 11 and 12 reached end position is reached. The spring 31 is in the embodiment shown here, in order to realize the longest possible travel in the housing 25 doubly deflected by the spring deflection rollers 32. One end of the spring 31 acts on the tilting slide 6. The opposite end of the spring 31 is fixed to the housing 25. During the described displacement movement of the tilting slide 6 is forcibly guided over its guide pins 17 and 18 in the guideway 20.

As already explained above, the damper 24 with its damper part 23 (here the damper housing) is integrally attached to the tilting slide 6. This causes the automatic retraction movement performed by the spring 31 to be simultaneously damped by the damper 24. This causes in total a gentle braking of the retraction movement, so that the roller 4, the rail 8 and the furniture part attached thereto are decelerated gently and not jerkily on reaching the end stop 33. In the exemplary embodiment shown, the damper part 22, which is rotatably mounted relative to the damper part or the damper housing 23, meshes with the toothed rack 29. Further details regarding the damper 24 need not be shown, since they are known in the prior art. For the sake of completeness it should be pointed out that the damper 24 does of course not necessarily have to be arranged integrally on the tilting slide 6.

In the event that the tilt slide 6 once in FIGS. 11 and 12 reached shown end position without the roller 4 is located in the recess 11, a so-called malfunction protection is provided in the illustrated embodiment. This is that at least one of, in the illustrated embodiment of the front in the direction of insertion 2, gripper legs 15 is elastically deformable and has a direction of insertion 2 oblique contact surface 16, the roller 4 by tarnishing against the chamfer 16 and by elastically deforming the gripper arm 15 past this in the Recess 11 of the gripper 7 is slidable. The movement or the bending of the gripper leg 15 in this case is by the double arrow 28 in Fig. 11 illustrated.

Fig. 13 shows the housing 25 without the guide rail 3. In this illustration, it can be seen particularly well that the housing 25 has a U-shaped recess 26 in which the guide rail is mounted in the illustrated embodiment with its seen in the direction of insertion 2 rear end. The housing 25 is favorably elastically resilient, so that it can be snapped onto the guide rail 3. With an appropriate design as a simple assembly of the housing 25 is made possible on the guide rail 3.

The FIGS. 14 to 24 show a second embodiment according to the invention a Rollenausziehführung. This is similar or similar in many parts to the first embodiment. However, differences exist in the type and connection of the damper 24 used and in the specific embodiment of the invention acting on the roller 4 tilting slide 6. The following description focuses on the explanation of the differences from the first embodiment. The details not explained in detail may be carried out as in the first embodiment. The FIGS. 14 and 15 First of all, views again point to this embodiment of the Rollenausziehführung from two sides. The second rail 8 can be made completely as in the first embodiment and is not shown again here. With respect to the rail 8 is thus on the 3 and 4 directed. The guide or cabinet rail 3 is without second rail 8 in the FIGS. 16 and 17 shown. The essential differences from the first embodiment are based on Fig. 18 to 23 explained. Fig. 19 again shows the section according to Fig. 18 along the section line CC. Fig. 20 shows a side view of this embodiment in the position according to Fig. 19. Fig. 22 shows the section along the line DD in Fig. 21 , Here, the roller 9 and the second rail 8 are completely retracted. Fig. 23 shows the corresponding side view. A first difference from the first exemplary embodiment consists in that, instead of the rotary damper shown there, a linear damper 24 known per se is used. This has two relatively movable damper parts 22 and 23. 22 designates in the embodiment shown, the per se known piston rod 22 with the piston arranged thereon. This is mounted linearly displaceable in the second damper part 23 and the damper housing. The configuration of the piston of the damper 24 need not be further explained. Various variants are known in the prior art. The connection of the damper 24 to the tilting slide 6 takes place in this embodiment via a pivot joint 34 which at the same time forms the axis of rotation or pivot about which the tilting slide 6 is pivotable. Accordingly, the tilting slide 6 in this embodiment also requires only one guide pin 17, which in turn is guided in the guide track 20. By inserting the guide pin 17 in the angled portion 21 of the guide rail 20 and by pulling out of the guide pin 17 from this section, the tilting of the tilt slide takes place. The FIGS. 19 and 20 again show the position of the tilt slide, in which he receives the roller 4 in its recess 11. The FIGS. 22 and 23 show the end position in which the roller 4 and the second rail 8 are completely retracted. The Einziehvorgang of the in the FIGS. 19 and 20 shown position in the in FIGS. 22 and 23 shown position in turn by means of the spring 31. The counter-movement in withdrawal 1 can be done in both embodiments, for example by hand by pulling the movable furniture part, not shown here, in turn, then by moving the tilt slide 6 in the in the FIGS. 19 and 20 shown position, the spring 31 is stretched for the next automated retraction.

In Fig. 24 the housing 25 of this embodiment is shown separately again. Again, it is U-shaped and has the recess 26 into which the guide rail 3 can be inserted. Also in this embodiment, the thus formed housing 25 is preferably snapped onto the guide rail 3.

In the two embodiments according to the Fig. 1 to 24 Both the contacting and the pulling-in process take place by engaging the gripper 7 of the tilting slide 6 on the roller 4. As explained at the outset, this does not necessarily have to be the case. In the FIGS. 25 to 36 Now, an inventive embodiment is shown, in which only the contacting process for pulling the furniture part by attacking the gripper 7 is realized on the roller 4.

In the following description of this embodiment with reference to FIGS. 25 to 36 Essentially, the differences to the two exemplary embodiments described above are discussed. Not explained in detail features of the third embodiment may be as described in the first two embodiments, executed.

The FIGS. 25 and 26 show perspective views of the entire Rollenausziehführung, wherein the second rail 8 is fully inserted in the insertion direction 2 in the guide rail 3. FIGS. 27 and 28 show perspective views of the second rail. 8 FIGS. 29 and 30 show perspective views of the guide rail 3 with arranged thereon Selbsteinzugsvorrichtung 5, wherein the second rail 8 is removed. The FIGS. 31 to 33 show representations like in FIGS. 25 and 26 , but only in the rear region of the guide rail 3, in which the Selbsteinzugsvorrichtung 5 is arranged. Fig. 31 shows a side view, Fig. 32 the location of the section line EE and Fig. 33 the longitudinal section along the section line EE. In the FIGS. 31 to 33 is the second rail 8 and thus also the role 4 in the inserted completely in the insertion direction 2 state. The FIGS. 34 to 36 show in otherwise to the FIGS. 31 to 33 Analog representations of the situation in which the roller 4 at the beginning of the contacting during insertion in the insertion direction 2 on the gripper 7 meets or even the situation in which when pulling in the pull-out 1 of the tilt slide 6 is already back in the first tilted or ready position is located, so the role is not 4 is held more and the second rail 8 can be further pulled in the direction of withdrawal 1.

A first essential difference to the first two embodiments is in the third embodiment is that the housing 25 'of this embodiment has no U-shaped recess 26, but, preferably completely, seen in an operating position of the Rollenausziehführung, above the guide rail 3 is arranged. Of course, it can just as well, preferably completely, be arranged below the guide rail 3. Both variants have the advantage that overall the overall length of the roller extension guide is shortened, since the housing 25 'no longer projects beyond the guide rail 3 at the rear end. In the course of this, it is also provided in the exemplary embodiment shown that the spring 31, which provides the force for pulling in the roller 4 or the second rail 8, is no longer deflected. In the embodiment shown, the spring 31 has an exclusively linear extension. The spring 31 is arranged, preferably exclusively, above the guide rail 3. Also, it is not in the insertion direction 2 on the guide rail 3 via. But just as well, the spring 31 may also, preferably exclusively, be arranged below the guide rail 3.

The housing 25 'of the Selbsteinzugsvorrichtung 5 of this embodiment is constructed in two parts. It has a fixed to the guide rail 3 immovably fixed housing part 38. This in turn has in this embodiment, a housing rail 39 on which a connecting rod designed as a connecting element 35 is mounted relative to the fixed housing part 38, preferably parallel to the withdrawal direction 1 or insertion direction 2, slidably. As shown in particular in the sectional views. Fig. 33 and 36 can be seen, the tilting slide 6 of this embodiment is arranged on the pivot joint 34 on the connecting rod designed as a connecting body 35. This type of arrangement causes the tilting slide 6 and the push rod 35 are forcibly coupled together in the pull-out 1 and insertion direction 2, a displacement of the push rod 35 thus forcibly leads to a corresponding displacement of the tilting slide 3 and vice versa. In addition to the tilting slide 6, a damper part of the damper 24 designed here as a linear damper 24 is fixed to the connecting body or the push rod 35 in the third exemplary embodiment. In the embodiment shown, this is the damper part 23, which forms the cylinder of the damper 24. In this, the piston is displaceably mounted, which is fixed to the other damper part 22 designed as a piston rod. The damping operation of the damper 24 takes place by sliding the damper part 23 on the piston rod or the damper part 22, at least for a part of the intake operation in the insertion direction 2. Of course, the damper can also be designed so that it achieves a movement-damping effect in the withdrawal direction.

The tilting slide 6 is, as in the first embodiments, guided by means of the first guide pin 17 and the pivot pin 18 in a guide track 20, which has the angled portion 21 at its front end seen in the insertion direction 2.

The guidance and the tilting of the tilting slide 6 by means of the guideway 2 and its angled portion 21 takes place as in the two embodiments set forth first. The tilting movement takes place in the pivot joint 34.

In Fig. 36 is the tilting slide 6 with its gripper 7 in the ready position or in the first tilted position. In this, the roll can accumulate by corresponding insertion of the second rail 8 in the insertion direction 2 on the gripper surface 12 of the gripper 7 of the tilting slide 6. As a result, the gripper 7 of the tilting slide 6 engages the roller 4, in the exemplary embodiment shown, specifically at its running surface 10. By further insertion of the roller 4, it comes to the contacting, in which the tilting slide 6 according to its first tilted position or the ready position. Fig. 36 is tilted about the axis of rotation of the pivot joint 34 in its second tilted position. The second tilt position is z. In Fig. 33 to see. In the third embodiment, it comes in this tilting of the tilting slide 6 from the first tilted position to the second tilted position, different from the first two embodiments, for engaging the tilting slide or its gripper legs 15 arranged coupling member 36 with the arranged on the second rail 8 second coupling part 37. In the exemplary embodiment shown, the first coupling part 36 is a corresponding recess in the front gripper limb 15 of the gripper 7 as viewed in the insertion direction 2. The second coupling part 37 is formed in the embodiment shown by a pin arranged on the second rail 8. Of course, the coupling parts 36 and 37 may also, unlike the exemplary embodiment shown, be arranged the other way around on tilting slide 6 and second rail 8. Of course, other mechanical or z. B. also be provided magnetic or electrical coupling parts. By the engagement of the two coupling parts 36 and 37 into each other, the second rail 8 via the coupling parts directly on the tilt slide 6. In the subsequent Einziehvorgang by means of the spring 31 in the insertion direction 2, the power transmission takes place in this embodiment, then directly via the coupling parts 36 and 37, which at Retraction process, the roller 4 or its tread 10 no longer directly on the gripper surface 12 of the gripper 6 is applied directly, whereby friction losses during retraction are minimized or completely avoided.

FIGS. 31 to 33 show the fully retracted position in which the roller 4 abuts the end stop 33 of the guide rail 3. The two coupling parts 36 and 37 are also in this position still engaged with each other. If now pulled on the second rail 8 and attached to a movable furniture part in the withdrawal direction 1, the tilting slide 6, via the coupling parts 36 and 37 directly on the second rail 8 hanging, moved in the withdrawal direction 1, so that after a through the Length of the straight portion of the guide track 20 predetermined path of the first guide pin 17 in the arranged on the fixed housing part 38 guide track 20 enters the angled section 21. By continuing the first guide pin 17 in the angled portion 21 then takes place a tilting movement of the tilting slide 6 back into the first tilted position or in the ready position gem. Fig. 36 in which the engagement between the coupling parts 36 and 37 is released and the roller 4 is released by the gripper 7, so that subsequently the roller 4 together with the second rail 8 can be extended further in the withdrawal direction 1. During the movement of the tilting slide 6 from the position in Fig. 33 in the position acc. Fig. 36 the spring 31 is biased again for the next Einziehvorgang.

To mention is still the starting slope 16 of the front in the direction of insertion 2 gripper leg 15 of the tilt slide 6. This serves, analogously as described in the first two embodiments, the so-called malfunction assurance, in which the roller 4 in the second tilt position of the tilt slide 6 by tarnishing against the starting inclined surface 16 and by elastic deformation of the gripper limb 15 past this in the recess 11 of the gripper 7 is slidable.

Legend to the reference numbers:

1

pull-out

2

insertion direction

3

guide rail

4

role

5

Self-closing device

6

tilt slide

7

grab

8th

second rail

9

Roller rotation axis

10

tread

11

deepening

12

gripper surface

13

bending radius

14

radius

15

gripper legs

16

Start sloping surface

17

first guide pin

18

Schwenkachszapfen

19

Side wall

20

guideway

21

angled section

22

damper part

23

damper part

24

damper

25, 25 '

casing

26

U-shaped recess

27

end

28

double arrow

29

rack

30

another role

31

feather

32

Federumlenkrolle

33

end stop

34

pivot

35

pushrod

36

first coupling part

37

second coupling part

38

fixed housing part

39

chassis rail

Claims (15)

Rollenausziehführung for pulling out a furniture part of a furniture body in a pull-out direction (1) and for inserting the furniture part in the furniture body in an insertion direction (2) with at least one guide rail (3) and at least one guided in this role (4) and a Selbsteinzugsvorrichtung (5 ) with a spring-loaded, tiltable and displaceably mounted tilting slide (6) for retracting the furniture part in the insertion direction (2), characterized in that the tilting slide (6) has a gripper (7), which for retracting the furniture part in the insertion direction (2 ) on the roller (4) attacks. Rollenausziehführung according to claim 1, characterized in that the roller (4) on a second rail (8) of the Rollenausziehführung, preferably via a on the second rail (8) fixed roller rotation axis (9), rotatably mounted, preferably rotatably mounted, and preferably the roller (4) is mounted or fastened on the second rail (8) at its rear end viewed in the pull-out direction (1). Rollenausziehführung according to claim 1 or 2, characterized in that the roller (4) has a running surface (10), with which it runs in the guide rail (3), and the gripper (7) of the tilting slide (6) on the running surface (10 ) of the roller (4) attacks. Rollenausziehführung according to claim 1 to 3, characterized in that the gripper (7) has a, preferably at least partially curved and / or a recess (11) in the gripper (7) limiting, gripper surface (12), with which he, preferably the Running surface (10), the roller (4) engages, preferably the gripper surface (12) on the running surface (10) of the roller (4) engages and the length of the gripper surface (12), measured in the pull-out direction (1), at least one-eighth , For example, at least a quarter of the total circumference of the tread (10) of the roller (4). Rollenausziehführung according to claim 4, wherein the gripper surface (12) is bent at least partially circular arc, characterized in that the bending radius (13) of the circular arc portion of the gripper surface (12) between 100% and 110%, preferably between 100% and 105%, one Radius (14) of the tread (10) of the roller (4) is. Rollenausziehführung according to one of claims 1 to 5, characterized in that the gripper (7) has a recess (11) for receiving the roller (4), which is bounded by two, preferably curved, gripper legs (15). Rollenausziehführung according to claim 6, characterized in that at least one of the gripper legs (15) is elastically deformable and has an oblique to the insertion direction (2) start-up inclined surface (16), wherein the roller (4) by starting the roller (4) against the chamfered sloping surface (16) and by elastic deformation of the gripper limb (15) on the gripper arm (15) past into the recess (11) of the gripper (7) is pushed. Rollenausziehführung according to one of claims 1 to 7, characterized in that the tilting slide (6) at least one, preferably at least two, preferably in the withdrawal direction (1) spaced apart guide pins (17, 18), which (r), preferably in each case, in a, preferably common and / or groove-shaped by opposing side walls (19) limited, guide rail (20) is forcibly displaced (are), wherein preferably the guide track (20), preferably at its in the insertion direction (2) front end, a having angled portion (21). Rollenausziehführung according to claim 8, characterized in that in the angled portion (21) a first of the guide pin (17) is inserted and preferably the other guide pin (18) forms a pivot axis about which the tilt slide (6) during insertion of the first guide pin ( 17) pivots in the angled portion (21). Rollenausziehführung according to one of claims 1 to 9, characterized in that on the tilting slide (6), preferably in one piece, a damper part (22) of at least two damper parts (22, 23) having relatively damper parts (22, 23), preferably a rotary damper or linear damper, is arranged, or the tilting slide (6) with the damper part (22) via a connecting body, preferably a push rod (35) is in operative connection. Rollenausziehführung according to one of claims 1 to 10, that the guide rail (3), in the insertion direction (2) seen in its end portion (27) is angled, wherein the roller (4) in this end region (27) is insertable. Rollenausziehführung according to one of claims 1 to 11, characterized in that the tilting slide (6) in a housing (25) is slidably and tiltably mounted and the housing (25) has a U-shaped recess (26), in which the guide rail ( 3), preferably with its in the insertion direction (2) seen rear end, stored is, and preferably the housing (25) formed resiliently and on the guide rail (3) can be snapped. Rollenausziehführung according to one of claims 1 to 11, characterized in that the tilting slide (6) is slidably and tiltably mounted in a housing (25 ') and the housing (25'), preferably completely, seen in an operating position of the Rollenausziehführung, above and / or below the guide rail (3) is arranged. Rollenausziehführung according to one of claims 1 to 13, characterized in that on the tilting slide (6), a first coupling part (36) is arranged and on the second rail (8), a second coupling part (37) is arranged, wherein the coupling parts (36, 37 ) are in a first tilted position of the tilting slide (6) separated from each other and in a second tilted position of the tilting slide (6) engage each other, wherein in the first tilted position the second rail (8) and the tilting slide (6) in the pull-out direction (1) and / or in the insertion direction (2) are movable relative to each other and in the second tilt position, the second rail (8) and the tilt slide (6) with respect to a movement in the pull-out direction (1) and / or in the insertion direction (2) are positively coupled together. A method for operating a Rollenausziehführung according to claim 14, characterized in that the tilting slide (6) is tilted by the occurrence of the roller (4) on the gripper (7) from the first tilted position to the second tilted position, wherein by this tilting the coupling parts (36 , 37) are engaged with each other and then the second rail (8) via the coupling parts (36, 37) on the tilting slide (6) hanging from the tilting slide (6) in the insertion direction (2) is pulled.

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