• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Drive device (1) for a movable furniture component (2), particularly for a drawer, comprising an ejection device (4) having an ejection force accumulator (3) for ejecting the movable furniture component (2) into an open position (OS), and a retraction device (6) having a retraction force accumulator (5) for retracting the movable furniture component (2) from an open position (OS) into a closed position (SS), wherein the ejection force accumulator (3) can be charged by the retraction force accumulator (5) during retraction of the movable furniture component (2).
    公开号:AU2012363366A1
    申请号:U2012363366
    申请日:2012-10-29
    公开日:2014-08-14
    发明作者:Alexander Simon FLOGAUS
    申请人:Julius Blum GmbH；
    IPC主号:A47B88-04
    专利说明:
    1 Drive device for a moveable furniture component The invention concerns a drive device for a moveable furniture part, in particular for a drawer, comprising an ejection device having an ejection force storage means for 5 ejecting the moveable furniture part into an open position, and a retraction device having a retraction force storage means for retracting the moveable furniture part from an open position into a closed position. In addition the invention concerns an article of furniture comprising a furniture carcass and a moveable furniture part, wherein the moveable furniture part is moveable by such a drive device. 10 In furniture design and construction, in particular in fitment design and construction, a wide range of different aids and methods have already been known for many years, to make opening and closing of the moveable furniture parts easier for a user of articles of furniture. Thus, opening devices (so-called ejection devices or touch latch mechanisms) have already been known for many decades, in which the 15 moveable furniture part is ejected and thus opened by pressing on the moveable furniture part. In order not just to facilitate the opening movement for a user, retraction devices have already been known for many years, which pull the drawer closed of its own accord, in particular in the last part of the closing travel. That guarantees that the 20 moveable furniture part is reliably closed. In addition, damping devices are also used to prevent an excessively heavy impact and thus prevent damage if a drawer is pushed violently closed. A fundamental problem with drive devices or articles of furniture having an ejection device and a retraction device is that the forces of the respective force storage 25 means for ejection and for retraction respectively act in opposition to each other. In other words, it is necessary to ensure with suitable mechanical means that on the one hand a reliable locking action is afforded, while on the other hand the respectively correct force storage means acts at the correct moment in time and in the correct portion. An important aspect in this technical field is also where and by whom or what 30 the respective force storage means (spring) is stressed or loaded. In many cases the ejection force storage means is loaded by the operator for example when opening or closing the drawer. For loading the retraction force storage means, it is also possible for the user to apply the necessary stressing force by way of the drawer itself, or the retraction force storage means is stressed by the ejection force storage means itself as 2 the ejection force storage means has a greater amount of energy (spring force) than the retraction force storage means. An example of a retraction spring which is stressed upon opening by the ejection spring is disclosed in DE 198 23 305 Al. Stressing of the retraction spring by 5 hand is described for example in DE 20 2009 009 566 U1. In both those devices the ejection spring is respectively stressed by hand in the closing movement. A variant in which only one spring functions both as the ejection spring and also as the retraction spring is disclosed in WO 2011/143682. The object of the present invention is to provide a drive device for a moveable 10 furniture part, that is improved or is an alternative in relation to the state of the art. The invention also seeks to provide that the configuration and arrangement of the force storage means are as compact as possible. The invention also seeks to provide that the spring force is used as efficiently as possible. For a drive device having the features of the classifying portion of claim 1 that is 15 achieved in that the ejection force storage means can be loaded by the retraction force storage means upon retraction of the moveable furniture part. This means that there does not have to be any manual loading of the ejection force storage means, but the retraction force storage means is so dimensioned and arranged that the ejection force storage means is stressed upon retraction of the drawer, 20 As, with such a design configuration, the ejection force storage means thus has a lower level of force than the retraction force storage means, it can preferably be provided that the retraction force storage means also functions with a part of its energy as an assistance force storage means for ejecting the moveable furniture part. Thus the retraction force storage means serves on the one hand for retraction and on the 25 other hand also for ejection of the moveable furniture part. According to a first variant of the present invention it is provided that the moveable furniture part is moveable out of the closed position into an open position only by the ejection force storage means, In other words the ejection force storage means itself moves the moveable furniture part out of its closed position. As a further 30 consequence of the opening movement it can then be provided that the moveable furniture part is moveable from an open position into a further open position by the retraction force storage means functioning as an assistance force storage means. In contrast in a second variant of the present invention it can be provided that the moveable furniture part is moveable out of the closed position into an open position 35 only by the assistance force storage means. In other words the ejection force storage 3 means does not serve for direct ejection of the moveable furniture part out of the closed position. Rather, in that case, the moveable furniture part is moveable or can be ejected from an open position into a further open position by the ejection force storage means, 5 In general the possibility of the individual stressing movements or stress-relief movements of the force storage means overlapping is not to be excluded. However for a force transmission which is as good as possible it is preferably provided that upon ejection the moveable furniture part is moveable serially in succession by the ejection force storage means and the assistance force storage means. As can be seen from 10 the above-described variants upon ejection the ejection force storage means can be operative firstly followed then by the assistance force storage means, or also vice versa. It can preferably further be provided that at least one and preferably both force storage means are in the form of springs, preferably compression springs. In that 15 respect a spring pack can also be deemed to constitute a spring, in which case the individual springs of a spring pack have the same stressing and stress-relief travel and the same beginning and end points of the respective stressing and stress-relief travel. Preferably it is provided for that purpose that the spring constant of the ejection force storage means is less than that of the retraction force storage means, In other words, 20 in the stressed condition of both force storage means, the spring force of the retraction force storage means is higher than the spring force of the ejection force storage means. After the retraction force storage means has delivered at least a part of its energy the ejection force storage means has the higher spring force than the remaining spring force in the retraction force storage means and can thus act on the moveable 25 furniture part (see for example Figures 3P and 3Q). In a preferred embodiment of the present invention the drive device has a housing preferably arranged on a furniture carcass, a retraction slider which is acted upon by the retraction force storage means and which is displaceable along a sliding guide track in or on the housing and which is lockable in a locking position in, 30 preferably a curved portion of, the sliding guide track, and an ejection slider which is acted upon by the ejection force storage means and which is displaceable along an ejection sliding guide track in or on the housing and which is lockable in a locking position in, preferably a cardioid-shaped portion of, the ejection sliding guide track. Such a housing with sliders and sliding guide tracks ensures that the drive device is of 35 as compact a configuration as possible.
    4 It is particularly preferably provided in that respect that the retraction slider and the ejection slider are moveable serially in succession along the housing. That serial relationship provides a compact, narrow drive device which can be well integrated into an extension guide arrangement. It is further preferably provided in that respect that 5 the ejection force storage means is fixed on the one hand to the housing and on the other hand to the retraction slider. In contrast the retraction force storage means is fixed on the one hand to the retraction slider and on the other hand to the ejection slider. In principle it is possible for the drive device to be arranged per se on the 10 moveable furniture part and thus moves with the moveable furniture part. In that respect, with entrainment means arranged on the furniture carcass, the drive device can so-to-speak eject or retract itself. It can however also be provided that the retraction slider and the ejection slider can be coupled portion-wise to entrainment means which are preferably arranged on the moveable furniture part. In other words 15 the entrainment means are arranged on the moveable furniture part and are coupled portion-wise or at times to the retraction slider or ejection slider in such a way that the corresponding transmission of movement for retraction or ejection to the moveable furniture part is guaranteed. To guarantee reliable smooth closure of the moveable furniture part at the end 20 of the closing travel, there is preferably provided a damping device for damping the retraction movement of the moveable furniture part, that is triggered by the retraction force storage means. Protection is also claimed for an article of furniture comprising a furniture carcass and a furniture part moveable by a drive device according to the invention. 25 Further details and advantages of the present invention are described more fully hereinafter by means of the specific description with reference to the embodiments by way of example illustrated in the drawings in which: Figure 1 diagrammatically shows an article of furniture with an open and a closed moveable furniture part, 30 Figures 2A through 2R diagrammatically show a first variant of an operating procedure of a closing and opening movement, and Figures 3A through 3R diagrammatically show a second variant of an operating procedure of a closing and opening movement. Figure 1 shows an article of furniture 19 comprising a furniture carcass 8 and 35 two moveable furniture parts 2 (drawers). Those moveable furniture parts 2 comprise a 5 drawer box 20 and a front panel 21 and are mounted moveably by way of a drawer rail 22 on a carcass rail 23 fixed with respect to the carcass - the rails 22 and 23 together form the extension guide means 24. Arranged on the drawer box 20 (or on the drawer rail 22) are entrainment means 16 and 17 which correspond portion-wise with a drive 5 device 1 arranged on the carcass 8 or on the carcass rail 23 respectively. The drive device 1 has a housing 9 in or on which an ejection slider 10 and a retraction slider 13 are displaceably mounted. A retraction force storage means 5 is arranged between the ejection slider 10 and the retraction slider 13. In comparison the ejection force storage means 3 is mounted between the retraction slider 13 and the housing 9. The upper 10 one of the illustrated drawers is disposed in a further open position OS1 while the lower one of the illustrated drawers is in the closed position SS. Figure 2A shows in detail the individual components of a drive device 1. That drive device 1 includes on the one hand the entrainment means 16 and 17 arranged on the moveable furniture 2 and on the other hand the components arranged on the 15 housing 9. Those components are on the one hand the retraction force storage means 5 (which also functions as an assistance force storage means 7) which together with the retraction slider 13 and the sliding guide track 14 together with the curved portion 15 forms the retraction device 6, On the other hand the ejection force storage means 3 with the ejection slider 10 and the ejection sliding guide track 11 together with the 20 cardioid-shaped portion 12 forms the ejection device 4. As shown in Figure 2A the moveable furniture part is in a further open position OS1. The tilted retraction slider 13 is disposed in the locking position VE in the curved portion 15 of the sliding guide track 14. Both the retraction force storage means 5 in the form of a compression spring and also the ejection force storage means 3 which is also in the form of a compression 25 spring are shown in their position of maximum stress relief. That maximum position is established by virtue of the sliding guide tracks 14 and 11 and the respective sliders 13 and 10. If now as shown in Figure 2B the moveable furniture part 2 is moved by hand in the closing direction SR then firstly the entrainment means 17 comes into contact with 30 the actuating element 25 of the ejection slider 10. As the retraction slider 13 is held in the locking position VE that movement causes the retraction force storage means 5 to be stressed (see in that respect further Figures 20, 2D and 2E). As soon as the position shown in Figure 2F is reached the ejection slider 10 passes into the cardioid-shaped portion 15 of the ejection sliding guide track 11 and is 6 deflected therein so that the entrainment means 17 comes out of engagement with the actuating element 25 of the ejection slider 10. As soon as the entrainment means 17 is no longer connected to the actuating element 25 the retraction force storage means 5 could expand again. As however the 5 ejection slider 10 is already in the cardioid-shaped portion 12 of the ejection sliding track 11 the control pin 29 is held in the latching recess of the cardioid-shaped portion 12 or is urged into the latching recess by the retraction force storage means 5. As a result the ejection slider 10 passes into the locking position VA (see Figure 2G). As the entrainment means 17 has been released from the actuating element 25 the moveable 10 furniture part is in the free-running situation F and can be further moved in the closing direction SR by an operator. At the end of the free-running situation F the entrainment means 17 passes between the catch elements 26 of the retraction slider 13 (see Figure 2H). In that position the piston of the damper 18 also comes into abutment relationship with the 15 moveable furniture part 2. By virtue of further movement of the moveable furniture part 2 in the closing direction SR the retraction slider 13 is moved out of its locking position VE and unlocked (see Figure 21). By virtue of that unlocking action the retraction force storage means 5 is free 20 and can be relieved of stress with the moveable furniture part 2 being pulled in or pushed in, in the closing direction SR. In that case the force is transmitted from the retraction force storage means 5 by way of the retraction slider 13 and its left-hand catch element 26 further by way of the entrainment means 17 to the moveable furniture part. That force transmission is damped by the damping device 18. In addition, upon 25 being pulled in, the ejection force storage means 3 is stressed (see Figure 2J). The retraction force storage means 5 is unloaded until the entrainment means 16 bears against the actuating element 25 of the ejection slider 10. In that position as shown in Figure 2K the retraction force storage means 5 can no longer be further relieved of stress as it is restrained between the two entrainment means 16 and 17. In 30 that position the ejection force storage means 3 is almost completely stressed and the moveable furniture part 2 is in the closed position SS. In order now to open the moveable furniture part 2 a pressure is applied to the moveable furniture part 2 in the closing direction SR by an operator. In that way by way of the actuating element 25 the entrainment means 16 moves the ejection slider 35 10 and its control pin 29 out of the latching recess of the cardioid-shaped portion 12 7 and the drive device 1 passes into the over-pressed closed position OS (see Figure 2L). As soon as the moveable furniture part 2 is released after having been over pressed the ejection force storage means 3 can be relieved of stress and by way of the 5 retraction slider 13 and the restrained retraction force storage means 5 moves the ejection slider 10 and therewith as a further consequence the entrainment means 16 together with the moveable furniture part 2 in the opening direction OR (see Figure 2M). As shown in Figure 2N the ejection force storage means 3 can be further 10 relieved of stress until the retraction slider 13 passes into the curved portion 15 of the sliding guide track 14 (see Figure 20). As a result the open position OS is reached and the retraction slider 13 is again in the locking position VE. In addition the entrainment means 17 is no longer held in that position between the catch elements 26 and the retraction force storage means 5 which hitherto was only partially relieved of 15 stress can function as an assistance force storage means 7 and moves the moveable furniture part 2 by way of the ejection force storage means 3 and its actuating element 25 into the further open position OS1 (see Figures 2P, 2Q and 2R). In Figure 2R the starting position shown in Figure 2A is reached again, in which case the damping device 18 has also moved back into the starting position, as is 20 known per se. For example a fluid damper can be used as the damping device 18. A return spring can be arranged in the cylinder for the return movement of the damping piston. A second variant of the present invention is shown in Figures 3A through 3R. In this case, unlike the first variant, the sliding guide track 14 additionally has a deflection 25 portion 27. As a result it is not the ejection force storage means 3 that moves the moveable furniture part out of its closed position SS, but the assistance force storage means 7. In contrast the ejection force storage means 3 moves the moveable furniture part 2 out of its open position OS into a further open position OS1. It will be seen from Figure 3A that the retraction slider 13 is in the locking 30 position VE. In that case a part of the retraction slider 13 bears against the return travel block 28 which can be passed over only in the opening direction OR so that the retraction slider 13 cannot move into the deflection portion 27 due to relief of the stress of the retraction force storage means 5.
    8 Figures 38 through 3L correspond to Figures 2B through 2L, for which reason a detailed description of this second variant is continued as described hereinafter only at Figure 3L. By over-pressing the moveable furniture part in the closing direction SR the 5 furniture part reaches the over-pressed closed position OS. In that case the ejection slider 10 is unlocked and the moveable furniture part is moved in the opening direction OR (see Figure 3M). By virtue of that movement in the opening direction OR the retraction slider 13 also passes into the deflection portion 27 of the sliding guide track 14 by virtue of the corresponding configuration thereof. As a result the entrainment 10 means 17 comes out of engagement with the catch elements 26 and the release position FS is reached. Thus, in contrast to the first variant (see Figure 2M), the retraction force storage means 5 is no longer restrained between the entrainment means 16 and 17 but the retraction force storage means 5 can function as the assistance force storage means 7 and moves the moveable furniture part 2 out of the 15 closed position SS into the open position OS (see Figures 3N and 30). As soon as the assistance force storage means 7 is relieved of stress to such an extent that the spring force of the ejection force storage means 3 is greater than the remaining spring force of the assistance force storage means 7 the ejection force storage means 3 can be relieved of stress and moves the moveable furniture part 2 out 20 of an open position OS into a further open position OS1 (see Figures 3P and 30). That relief of stress on the ejection force storage means 3 provides that the retraction slider 13 moves along the deflection portion 27 and passes over the preferably resiliently mounted return travel block 28, whereby the retraction slider 13 passes into the locking position VE again. In addition the moveable furniture part 2 is moved into the further 25 open position OS1. In Figure 3R the starting position is again reached, in which the moveable furniture part 2 is freely moveable. This invention therefore provides a drive device 1 having an ejection device 4 and a retraction device 6, in which on the one hand the retraction force storage means 30 5 delivers energy to the ejection force storage means 3 upon retraction and on the other hand both the ejection force storage means 3 and also the retraction force storage means 5 functioning as the assistance force storage means 7 act serially in succession on the moveable furniture part 2 upon ejection.
    权利要求:
    Claims (15)
    [1] 1. A drive device (1) for a moveable furniture part (2), in particular for a drawer, 5 comprising - an ejection device (4) having an ejection force storage means (3) for ejecting the moveable furniture part (2) into an open position (OS), and - a retraction device (6) having a retraction force storage means (5) for retracting the moveable furniture part (2) from an open position (OS) into a closed 10 position (SS) characterised in that the ejection force storage means (3) can be loaded by the retraction force storage means (5) upon retraction of the moveable furniture part (2).
    [2] 2. A drive device as set forth in claim 1 characterised in that the retraction force 15 storage means (5) also functions with a part of its energy as an assistance force storage means (7) for ejecting the moveable furniture part (2).
    [3] 3. A drive device as set forth in claim 1 or claim 2 characterised in that the moveable furniture part (2) is moveable out of the closed position (SS) into an open 20 position (OS) only by the ejection force storage means (3) (Figures 2K through 20).
    [4] 4. A drive device as set forth in claim 2 or claim 3 characterised in that the moveable furniture part (2) is moveable from an open position (OS) into a further open position (OS1) by the retraction force storage means (5) functioning as an assistance 25 force storage means (7).
    [5] 5. A drive device as set forth in claim 2 characterised in that the moveable furniture part (2) is moveable out of the closed position (SS) into an open position (OS) only by the assistance force storage means (7) (Figures 3K through 30). 30
    [6] 6. A drive device as set forth in claim 5 characterised in that the moveable furniture part (2) is moveable from an open position (OS) into a further open position (OS1) by the ejection force storage means (3). 10
    [7] 7. A drive device as set forth in claims 2 through 6 characterised in that upon ejection the moveable furniture part (2) is moveable serially in succession by the ejection force storage means (3) and the assistance force storage means (7). 5
    [8] 8. A drive device as set forth in one of claims 1 through 7 characterised in that the ejection force storage means (3) and the retraction force storage means (5) are respectively in the form of a spring, preferably a compression spring, wherein the spring constant of the ejection force storage means (3) is less than the spring constant of the retraction force storage means (5). 10
    [9] 9. A drive device as set forth in one of claims 1 through 8 characterised by - a housing (9) preferably arranged on a furniture carcass (8), - a retraction slider (13) which is acted upon by the retraction force storage means (5) and which is displaceable along a sliding guide track (14) in or on the 15 housing (9) and which is lockable in a locking position (VE) in, preferably a curved portion (15) of, the sliding guide track (14), and - an ejection slider (10) which is acted upon by the ejection force storage means (3) and which is displaceable along an ejection sliding guide track (11) in or on the housing (9) and which is lockable in a locking position (VA) in, preferably a cardioid 20 shaped portion (12) of, the ejection sliding guide track (11).
    [10] 10. A drive device as set forth in claim 9 characterised in that the ejection force storage means (3) is fixed on the one hand to the housing (9) and on the other hand to the retraction slider (13). 25
    [11] 11. A drive device as set forth in claim 9 or claim 10 characterised in that the retraction force storage means (5) is fixed on the one hand to the retraction slider (13) and on the other hand to the ejection slider (10). 30
    [12] 12. A drive device as set forth in one of claims 9 through 11 characterised in that the retraction slider (13) and the ejection slider (10) are moveable serially in succession along the housing (9). 11
    [13] 13. A drive device as set forth in one of claims 9 through 12 characterised in that the retraction slider (13) and the ejection slider (10) can be coupled portion-wise to entrainment means (16, 17) preferably arranged on the moveable furniture part (2). 5
    [14] 14. A drive device as set forth in one of claims 1 through 13 characterised by a damping device (18) for damping the retraction movement of the moveable furniture part (2), that is triggered by the retraction force storage means (5).
    [15] 15. An article of furniture (19) comprising a furniture carcass (8) and a 10 moveable furniture part (2), wherein the moveable furniture part (2) is moveable by a drive device (1) as set forth in one of claims 1 through 14.
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    DE102016116449A1|2016-09-02|2018-03-08|Paul Hettich Gmbh & Co. Kg|Self-closing and damping device for a push element and furniture or household appliance with at least one push element|
    JP6828488B2|2017-02-14|2021-02-10|Toto株式会社|Drawer operation mechanism|
    DE102017004611A1|2017-05-15|2018-11-15|Günther Zimmer|Device for controlling end-position-related movements|
    US11186145B2|2019-05-30|2021-11-30|Denso International America, Inc.|Cabin air filter tray|
    TWI706746B|2019-11-22|2020-10-11|川湖科技股份有限公司|Slide rail assembly and returning device|
    RU207355U1|2021-05-25|2021-10-25|Общество с ограниченной ответственностью "БОЯРД"|DEVICE FOR AUTOMATIC RETRACTING AND EXITING OF THE MOVING PART OF THE GUIDE FOR THE RETRACTABLE ELEMENT OF FURNITURE|
    法律状态:
    2015-11-12| FGA| Letters patent sealed or granted (standard patent)|
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1890/2011A|AT512165B1|2011-12-27|2011-12-27|DRIVE DEVICE FOR A MOVABLE FURNITURE PART|
    ATA1890/2011||2011-12-27||
    PCT/AT2012/000268|WO2013096980A1|2011-12-27|2012-10-29|Drive device for a movable furniture component|
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