Abstract:
A device for mounting a rear wall on a movable furniture component of a piece of furniture, in particular on a drawer, with the movable furniture component including a rear wall and a drawer sidewall unit. The device is characterized in that the device is for arrangement between a rear wall holder extending on the drawer sidewall unit in a plane of the rear wall and the rear wall, and the device has an engagement mechanism for engagement in the rear wall holder.

Description:
[0001]    This application claims the benefit under 35 USC §119(a)-(d) of German Application No. 20 2016 102 168.5 filed Apr. 25, 2016, the entirety of which is incorporated herein by reference. 
       FIELD OF THE INVENTION 
       [0002]    The present invention relates to a device for mounting a rear wall on a movable furniture component of a piece of furniture, in particular, on a drawer, and a movable furniture component or a piece of furniture having a suchlike device. 
       BACKGROUND OF THE INVENTION 
       [0003]    Self-assembly drawer kits for mounting the rear wall of a drawer on a drawer of a piece of furniture are previously disclosed. 
         [0004]    Self-assembly drawer kits are previously disclosed, for example, in which a metallic drawer sidewall unit and the rear wall of the drawer are connected together without tools. The rear wall of the drawer is provided for this purpose with hooks, which are capable of being inserted into slots the drawer sidewall unit. The rear wall of the drawer further possesses positioning pins, which, in the assembled state, project into corresponding openings in the drawer sidewall unit, so that vertical displacement of the rear wall of the drawer relative to the sidewall unit is prevented. 
         [0005]    A disadvantage associated with the previously disclosed self-assembly drawer kits is that the components of the drawer or the drawer sidewall unit must be matched to the rear wall of the drawer. For example, a flexible combination of a drawer sidewall unit and various drawer rear walls is implemented in a comparatively unfavorable manner in the previously disclosed self-assembly drawer kits. 
       SUMMARY OF THE INVENTION 
       [0006]    The present invention has as its object to make available an alternative device for mounting a rear wall on a movable furniture component of a piece of furniture. 
         [0007]    The present invention is based on a device for mounting a rear wall on a movable furniture component of a piece of furniture, in particular, a drawer, wherein the movable furniture component comprises a rear wall and a drawer sidewall unit. 
         [0008]    If the movable furniture component is configured as a drawer, the movable furniture component comprises, for example, one bottom, one rear wall and two lateral walls formed opposite one another and/or two drawer sidewall units. The lateral walls each extend advantageously parallel to a longitudinal axis of the drawer sidewall unit. The drawer sidewall unit in this case can form the lateral wall or can be a part of a lateral wall of the movable furniture component. 
         [0009]    The drawer is displaceably connected to the piece of furniture, for example, via two drawer runners arranged opposite one another in each case. A drawer runner comprises, for example, a carcass rail secured to an inner lateral wall of the piece of furniture and a drawer rail movably supported relative thereto and arranged on an under side of the drawer, in particular, on an under side of the drawer bottom and/or the drawer sidewall unit. 
         [0010]    The essential aspect of the present invention is that the device is envisaged for arrangement between a rear wall holder extending on a drawer sidewall unit in a plane of the rear wall and the rear wall, and that the device comprises an engagement mechanism for engagement in the rear wall holder. 
         [0011]    The engagement mechanism connects the device to the rear wall holder, for example, by an overlapping engagement on the rear wall holder. 
         [0012]    The device is preferably embodied in such a way that the device is capable, in particular, without the use of tools, of being mounted between the rear wall and the drawer sidewall unit. The engagement mechanism of the device is embodied in such a way, for example, that the device can be arranged on the rear wall in an initial pre-assembly step, in particular, without the use of tools. A suchlike embodiment of the device is also known as an RTA solution (RTA—Ready To Assemble). 
         [0013]    As a result of this embodiment of the device, assembly of the rear wall of the movable furniture component can be achieved by a fitter on-site at the customer&#39;s premises in a comparatively simple manner and without the use of tools. 
         [0014]    It is conceivable for the device to be pushed into and/or inserted on the rear wall in an initial assembly step. Pre-assembly of the device on the rear wall can take place in this way, for example, in the factory. In a further assembly step following the first assembly step, the rear wall is connected to the device on the rear wall holder, for example, by being inserted or pushed on, for example, in the course of the assembly of the movable furniture component by a fitter. 
         [0015]    It is also advantageous that the rear wall is arranged on the rear wall holder initially, and the device is arranged on the rear wall and the rear wall holder in a following assembly step, so that the device connects the rear wall and the rear wall holder, in particular, as a clamped connection. 
         [0016]    The rear wall of the movable furniture component is preferably executed in metal. It is also conceivable for the rear wall to consist of one or a combination of the following materials: wood, plastic, metal, glass, fabric. 
         [0017]    Where appropriate, the device may be executed in plastic. Comparatively cost-effective manufacture is conceivable by means of a plastic injection molding process. 
         [0018]    In an advantageous embodiment of the present invention, the device is embodied so as to be capable of being pushed underneath an element protruding from a principal plane of the rear wall along the principal plane of the rear wall and the projecting part, wherein the projecting element advantageously has a projecting part. 
         [0019]    It is also conceivable for the device to be embodied in such a way as to be capable of being pushed in parallel to the principal plane of the rear wall, in particular, along the principal plane of the rear wall, into the protruding element, and into an opening in the protruding element. 
         [0020]    As a result, pre-assembly of the device on the rear wall is achievable in a comparatively simple manner. 
         [0021]    The protruding element can be configured so as to protrude vertically relative to a principal plane of the rear wall on a short, narrow, lateral edge of the rear wall. The protruding element is present advantageously on both of the mutually opposing, narrow lateral edges of the rear wall. The protruding element can be configured, for example, on all the lateral edges of the rear wall. 
         [0022]    The protruding element with a projecting part can also be arranged so that it projects in an L-shaped manner on a lateral edge of the rear wall. The protruding element with the projecting part and with the large lateral surface of the rear wall thereby forms a U-shaped profile, for example, on the lateral regions of the rear wall. For example the device, in particular, the basic body of the device, is embodied to be pushed into the U-shaped profile of the rear wall section and to be held advantageously in a clamping manner, for example, by the U-shaped profile of the rear wall section. The device comprises, in particular, a step to receive the projecting part. 
         [0023]    It is also advantageous for the device to have holding elements, wherein the holding elements are configured to engage in a rear wall section, in particular, protruding from a principal plane of the rear wall. 
         [0024]    The holding elements are preferably configured on the device in such a way that the device with its rectangular basic body and the holding elements possess a thickness d, wherein the thickness d is smaller than or the same as a width b of the element protruding from a principal plane of the rear wall. For example, the basic body possesses a thickness d, such that the device together with the basic body is capable of being pushed into the protruding element, in particular, with the holding elements at the front. As a result, the holding elements are able to engage in a recess in the rear wall. The basic body, for example, the thickness d of the basic body, can have a dimension such that the device, in particular, together with the holding elements, is capable of being pushed in on the rear wall section, for example, into the recess, in such a way that the device, in particular, the holding elements, forms a clamping connection with the rear wall. 
         [0025]    Advantageously, the connection of the holding elements to the rear wall is capable of being released in particular with the recess. 
         [0026]    The rear wall section is realized, for example, as a folded edge or a bend from a principal plane of the rear wall, for example, as the protruding element. 
         [0027]    The holding elements serve exclusively, for example, for the arrangement of the device on the rear wall in a pre-assembly step or as a transport securing device for the device on the rear wall. In particular, if the device has already been pre-assembled on the rear wall in the factory. 
         [0028]    It is advantageous, furthermore, for the basic body of the device to be of rectangular configuration, and for the holding elements to be configured so as to protrude from a narrow, long lateral surface of the basic body. 
         [0029]    For example, in the arranged state of the device on the rear wall, the holding elements are configured protruding parallel to the principal plane of the rear wall on the narrow, long lateral surface of the device. The holding elements are advantageously configured as a latching nose, wherein a latching element can be present on the latching nose angled in relation to the locking nose. 
         [0030]    The basic body is configured, in particular, as a rectangular box having a large, open lateral surface. The basic body is advantageously hollow internally. The weight of the device is comparatively small as a result, and the device is capable of comparatively cost-effective manufacture. 
         [0031]    It is also advantageous for the holding elements to be of elastically deflectable embodiment. 
         [0032]    For example, the latching nose is embodied as a spring element. 
         [0033]    In particular, at the time of assembly of the device on the rear wall, the latching nose is deflected from a rest position on the device in such a way that the spring element is able to form a latching connection with the recess in the rear wall, wherein, in the latched state on the rear wall, the latching nose is present in its rest position. 
         [0034]    In one advantageous embodiment of the present invention, the engagement mechanism of the device is embodied as latching elements, wherein, in the arranged state of the device on the movable furniture component, the latching elements form a latching connection with the rear wall holder. 
         [0035]    The connection of the latching elements to the rear wall holder is advantageously releasable. In particular, the latching connection of the latching elements to the rear wall holder is of comparatively stronger configuration than the latching connection of the holding elements to the rear wall. 
         [0036]    It is also advantageous for the latching elements to be present protruding in an L-shaped manner on the basic body of the device. 
         [0037]    As a result of the L-shaped configuration of the latching elements, in the arranged state, a holding element of the rear wall holder and the projecting part of the protruding element can be held in a clamping manner between the latching elements and the basic body. A positionally fixed connection of the rear wall to the rear wall holder is achieved as a result. As a result, the rear wall is secured in a positionally fixed manner parallel to an opening or closing movement of the movable furniture component or parallel to a longitudinal axis of the drawer sidewall unit. The holding element of the rear wall holder extends, in the arranged state of the rear wall on the movable furniture component, for example, parallel to a principal plane of the rear wall. 
         [0038]    It has also proved to be advantageous for the latching element, wherein, in the arranged state of the device on the rear wall holder, the latching element is envisaged for engagement in an opening in the rear wall holder. 
         [0039]    The opening in the rear wall holder is executed on the holding element, for example, in particular on an external side of the holding element. The opening is advantageously configured as a recess, so that the latching element in the arranged state engages in the recess and/or engages behind an edge of the recess. The latching element is present as a latching hook, for example. 
         [0040]    It is advantageous, furthermore, for the device, in particular the basic body of the device, to have spring elements in order to pretension the device on the rear wall in a direction parallel to the principal plane of the rear wall. 
         [0041]    As a result, the generation of a noise, for example, rattling, clicking, or striking of the device and/or the rear wall, is avoided in conjunction with a movement of the movable furniture component. 
         [0042]    The spring elements are configured, in particular, so as to protrude elastically on the basic body. 
         [0043]    The device is assembled on the rear wall, for example, via the spring elements, in such a way that the device is present in a positionally fixed manner in a clamping position on the rear wall holder. In particular, the spring elements in the assembled state press the latching element against the holding element of the rear wall holder, in particular, against the opening of the holding device, in such a way that the device is pretensioned in a direction parallel to the principal plane of the rear wall or vertically in relation to a longitudinal axis of the drawer sidewall unit, for example, by being secured in a positionally fixed manner. In the arranged state of the device and the rear wall on the movable furniture component, for example, the rear wall is secured as a result in a positionally fixed and/or immovable manner in a vertical direction in relation to a longitudinal axis of the drawer sidewall unit. 
         [0044]    The basic body preferably includes the spring elements. The spring elements are, for example, a component part of the narrow, long lateral surface of the basic body. Advantageously, the spring elements and the latching nose are present, in particular, in a protruding manner on the same narrow, long lateral surface of the basic body of the device. 
         [0045]    Advantageously, the rear wall is subsequently mounted and pretensioned exclusively by the spring elements and the latching element in a positionally fixed manner on the movable furniture component, in particular, on the rear wall holder. 
         [0046]    In an advantageous modification of the present invention, the device has a fixing element, wherein the device is capable of being secured to the fixing element via a fixed connection on the rear wall holder. 
         [0047]    The fixing element can serve as a supplementary means of securing and/or fixing of the rear wall to the movable furniture component. The fixed connection can be embodied as a screw, a threaded bolt, a bolt and/or a plastic dowel. 
         [0048]    The fixing element is embodied as a hole or an eye, for example. As a result, for example, a positionally fixed connection of the rear wall to the rear wall holder can be achieved. As a result, in particular, the rear wall is capable of being secured in a positionally fixed manner parallel to an opening or closing movement of the movable furniture component or parallel to a longitudinal axis of the drawer sidewall unit. Advantageously, the return of the rear wall between the device and the rear wall holder is held in a clamping and positionally fixed manner by the connection of the device to the rear wall holder via a fixed connection, for example, a screw. A noise, for example, striking or rattling of the rear wall in conjunction with a movement of the movable furniture component, is avoided as a result. 
     
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         [0049]    A number of illustrative embodiments are explained in more detail on the basis of the following schematic drawings, including further details and advantages. 
           [0050]      FIGS. 1-6  depict an inventive device in different views; 
           [0051]      FIG. 7  depicts an oblique perspective top view from the front of a further inventive device; 
           [0052]      FIG. 8  depicts an oblique perspective top view from the front of the device in  FIG. 7  in the arranged state on a rear side of a rear wall of a drawer; 
           [0053]      FIGS. 9-11  depict an oblique perspective top view from the rear of the device in  FIG. 7  on the rear side of the rear wall of the drawer and a rear wall holder of a drawer sidewall unit in different assembly positions; and 
           [0054]      FIGS. 12-13  depict an oblique perspective top view from the rear of the device in  FIG. 7  on the rear wall holder of the drawer sidewall unit and the rear side of the rear wall of the drawer in further possible assembly positions. 
       
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
       [0055]    An inventive device  1  is depicted in a perspective view in  FIG. 1 . The device  1  comprises a basic body  2 , engagement mechanism, for example, in the form of latching elements  3 ,  4 , holding elements  5 ,  6 , spring elements  7 - 9  and fixing elements in the form of drilled holes  10 ,  11 . 
         [0056]    The basic body  2  of the device  1  is embodied, for example, as an internally hollow, rectangular box. The basic body  2  of the device  1  comprises five lateral surfaces, being two short, narrow lateral surfaces  12 ,  13 , two long, narrow lateral surfaces  14 ,  15  and one large lateral surface  16 . 
         [0057]    The large lateral surface  16  possesses a step  17 , for example, which is set back inwards on the large lateral surface  16 . The drilled holes  10 ,  11  are introduced, for example, on the large lateral surface  16 . The latching elements  3 ,  4  are configured, in particular, on the large lateral surface  16  so as to protrude vertically from the large lateral surface  16 . 
         [0058]    The long, narrow lateral surface  15  of the basic body  2  thus possesses a width d 1 , and the long, narrow lateral surface  14  arranged opposite the lateral surface  15  possesses a width d 2 . The width d 2  is smaller than the width d 1  because of the step  17 . 
         [0059]    The latching elements  3 ,  4  are of L-shaped embodiment, for example, so that a first leg of the L is arranged on the large lateral surface  16  protruding vertically from the large lateral surface  16 , and a second leg of the L runs parallel to the large lateral surface  16 . The second leg of the L is advantageously configured in a region between the long, narrow lateral surfaces  14 ,  15  of the basic body  2 . The first leg of the L is configured in addition, for example, as an extension of the long, narrow lateral surface  15 . The latching elements  3 ,  4  advantageously comprise, on the second leg of the L, a latching hook  18 ,  19 , wherein the latching hook  18 ,  19  is advantageously configured protruding on the lateral surface  53 - 55  on a lateral surface  53 ,  54  of the second leg of the L facing towards the large lateral surface  16 . 
         [0060]    The holding elements  5 ,  6  are arranged parallel to the lateral surface  16  and to the step  17 . The holding elements  5 ,  6  are present on the basic body  2  and the large lateral surface  16 , in particular, protruding vertically in relation to the long, narrow lateral surface  14 . The holding elements  5 ,  6  possess a latching nose  20 ,  21 . The latching nose  20 ,  21  is present, in particular, on the holding elements  5 ,  6  protruding vertically in relation to the step  17  and/or the lateral surface  16 . It is also conceivable for the holding elements to be present protruding or set back on the long, narrow lateral surface  14 . 
         [0061]    The spring elements  7 - 9  are arranged in an elastic and/or protruding manner as tab-like elements on the lateral surface  14  of the basic body  2 . For example, a tab-like element or a spring element  7 - 9  forms a part of the lateral surface  14  of the basic body  2 . The spring elements are fixed to the basic body  2  in a first edge region  56 - 58  to a corner region  59  of the basic body  2 . A second edge region  60 - 62 , which is configured so as to be situated opposite the first edge region, is present protruding elastically from the long, narrow lateral surface  14 . 
         [0062]      FIGS. 2-6  depict the device  1  in different side views from the front, right, left, bottom or top, in each case with a view onto one of the lateral surfaces  12 - 16  of the basic body  2 . 
         [0063]      FIG. 7  depicts a further variant of an inventive device  22 . The device  22  comprises a basic body  23  having respectively a latching element  24 , a holding element  25 , spring elements  26 - 28 , a drilled hole  29  and anti-rotation means  30 . 
         [0064]    The anti-rotation means  30  is configured as an elastic element having a nose  32  on the large lateral surface  31  of the basic body  23 , in particular, protruding vertically from a large lateral surface  31  of the basic body  23 . 
         [0065]      FIG. 8  depicts a rear wall  33  of a drawer having a principal plane  34  on the rear side and elements on lateral edges  35 - 37  of the principal plane  34 , in particular, protruding vertically from the principal plane  34 , which elements are configured as folded edges  38 - 40 . The folded edge  39  further comprises a rectangularly protruding projecting part  41 . The folded edge  39  and the projecting part  41  are present, in particular, in an L-shaped configuration and constitute a U-shape together with a rear wall section  63  of the principal plane  34  from a perspective parallel to the principal plane  34  on the folded edge  39  or the projecting part  41 . 
         [0066]    The device  22  is pushed into the U-shape, for example, in a pre-assembly step with the spring elements  26 - 28  at the front and is held, for example, in a clamping manner between the rear wall section  63  of the principal plane  34  and the projecting part  41 . For example, the holding element  25  engages additionally with its latching nose  42  into an opening  52  on the folded edge  39  and encloses the folded edge  39  and/or the projecting part  41  on the opening  52  and/or locks with the folded edge  39  and/or the projecting part  41  on the opening  52 . A latching element  43  of the latching nose  42  of the holding element  25  advantageously secures the device  22  against falling out of the pre-assembly position on the rear wall  33 . 
         [0067]    A drawer bottom  46  is arranged on a drawer sidewall unit  44  of a drawer  45 , in a lower region  64 . A rear wall holder  47  is present in a rear region  65  of the drawer sidewall unit  44 , protruding in relation to a longitudinal axis of the drawer sidewall unit  44 , in particular, protruding vertically from the drawer sidewall unit  44 . An opening  48 , a further opening  50  and a drilled hole  51  are configured on the rear wall holder  47  on a holding element  67 . The drilled hole  51  serves for fixing the device  22  assembled on the rear wall holder  47  and the rear wall  33  to the drilled hole  29  by a fixed connection, for example a screw (not represented). 
         [0068]    A drawer runner intended to permit the longitudinal displacement of the drawer  45  is arranged in the downwardly open region  69  of the drawer sidewall unit  44 . A carcass rail for the drawer runner can be installed in each case on opposite sides of the drawer  45 , on a carcass wall (not represented) of a furniture carcass (not represented). The drawer  45  is thus arranged on the furniture carcass so as to be capable of longitudinal displacement. 
         [0069]    A possible sequence of assembly of the rear wall  23  together with the device  22  on the drawer sidewall unit  44  of the drawer  45  is illustrated in  FIGS. 9 to 11 . In an initial assembly step, the device  22  is pushed between the projecting part  41  and the principal plane  34  of the rear wall  33 , until the device  22  with its spring elements  26 - 28  faces towards an inner side  66  of the folded edge  39  ( FIGS. 9, 10 ). In this pre-assembly position, the device  22  is held between the projecting part  41  and the principal plane  34 , for example, in a clamping manner, and is fixed to the rear wall  33  by the latched connection of the holding means  25  and the opening  52 . 
         [0070]    In a following assembly step ( FIGS. 10, 11 ), the rear wall  33  is guided, for example, together with the device  22 , in the direction of the drawer sidewall unit  44 . In the process, the principal plane  34  of the rear wall  33  is advantageously oriented vertically to the longitudinal axis of the drawer sidewall unit  44 . In the arranged state on the drawer sidewall unit  44 , the latching element  24  of the device  22  encloses the plate-shaped holding element  67  of the rear wall holder  47 , so that the latching element  24  engages with its engagement hook  49  into the opening  48  of the holding element  67 . In the assembled state on the drawer sidewall unit  44 , the device  22  is pressed from the folded edge  39  by the spring elements  26 - 28  in the opposite direction to the direction of assembly. As a result, the latching hook  49  is pressed against an abutment  68  of the opening  48 . In this way, the latching hook  49  secures the device  22  and thus, for example, also the rear wall  33  against detachment from the assembled position in the opposite direction to the direction of assembly. In particular, the device  22  is arranged as a result in an immovable manner in such a way that the device  22  does not generate any noises in the event of a movement of the drawer  45 . 
         [0071]    Furthermore, the latching element  24  is configured in an elastic and sprung manner on the device  22 . In this way, in the assembled state of the device  22  and the rear wall  33  on the drawer sidewall unit  44 , both the projecting part  41  of the rear wall  33  and the rear wall holder  47  is clamped between the lateral surface  31  and the latching element  24  and is fixed thereby. As a result, the rear wall  33  is fixed to the rear wall holder  47 , particular in an immovable manner, in a direction parallel to the longitudinal axis of the drawer sidewall unit  44 . 
         [0072]    As a protection against rotation of the device  22 , in particular, in the event that the device has a sin holding element, for example, on the device  22 , the device can comprise an anti-rotation means  30 . The anti-rotation means  30  engages with its nose  32  into the opening  50  of the rear wall holder  47  in the assembled state of the device  22  on the drawer sidewall unit  44  and, in so doing, secures the device  22  against rotation in a plane parallel to the principal plane  34  of the rear wall  33 . 
         [0073]    A further possible sequence of assembly of the device  22  and the rear wall  23  on the drawer sidewall unit  44  is represented in  FIGS. 12 and 13 . It is thus conceivable, in an initial assembly step, for the rear wall  33  to be arranged by a fitter on the drawer sidewall unit  44  and on the rear wall holder  47  ( FIG. 12 ), and for the device  22  to be pushed into the installation position on the rear wall holder  47  and the rear wall  33  ( FIG. 13 ). 
       LIST OF REFERENCE DESIGNATIONS 
       [0000]    
       
           1  device 
           2  basic body 
           3 - 4  latching elements 
           5 - 6  holding elements 
           7 - 9  spring elements 
           10 - 11  drilled hole 
           12 - 16  lateral surface 
           17  step 
           18 - 19  latching hook 
           20 - 21  latching nose 
           22  device 
           23  basic body 
           24  latching element 
           25  holding element 
           26 - 28  spring element 
           29  drilled hole 
           30  anti-rotation means 
           31  lateral surface 
           32  nose 
           33  rear wall 
           34  principal plane 
           35 - 37  lateral edge 
           38 - 40  folded edge 
           41  projecting part 
           42  latching nose 
           43  latching element 
           44  drawer sidewall unit 
           45  drawer 
           46  drawer bottom 
           47  rear wall holder 
           48  opening 
           49  latching hook 
           50  opening 
           51  drilled hole 
           52  opening 
           53 - 55  lateral surface 
           56 - 58  edge region 
           59  corner region 
           60 - 62  edge section 
           63  rear wall section 
           64 - 65  region 
           66  inner side 
           67  holding element 
           68  abutment 
           69  region