Universal guiding device for sliding doors in a piece of furniture

Abstract

The present invention is directed to a guide device for sliding doors ( 1 ) in furniture, particularly for heavy sliding glass doors. The guide device comprises a guide element which is constructed as a cylindrical bar ( 6 ) and at least two running rollers ( 3 ) which are fastened to the sliding door ( 1 ) by fastening elements ( 5 ). The bar ( 6 ) is fastened to the furniture body ( 2 ) by holding elements ( 7, 17 ). The running rollers ( 3 ) have a running surface ( 4 ) such that the running surface ( 4 ) rests completely on the bar ( 6 ) at the point of contact between the running surface ( 4 ) and the bar ( 6 ).

1 . Guide device for sliding doors ( 1 ) of furniture, comprising holding elements ( 7 ,  17 ), by which at least one guide element is fastened to a furniture body ( 2 ), and at least two running rollers ( 3 ) which are fastened to the sliding door ( 1 ) by means of punctiform fastening elements ( 5 ), so that the sliding door ( 1 ) is mounted at the guide element so as to be displaceable, wherein the guide element is constructed as a cylindrical bar ( 6 ) and the running rollers ( 3 ) have a running surface ( 4 ) which is constructed in such a way that the running surface ( 4 ) completely contacts the bar ( 6 ) at the point of contact between the running surface ( 4 ) and the bar ( 6 ).  
     
     
         2 . Guide device according to  claim 1 , characterized in that there are two cylindrical bars ( 6 ), wherein one of the bars ( 6 ) is arranged in an upper area of the furniture body ( 2 ) and the other bar ( 6 ) is arranged in the lower area of the furniture body ( 2 ).  
     
     
         3 . Guide device according to  claim 1 , characterized in that two bars ( 6 ) are provided, wherein the two bars ( 6 ) are arranged immediately adjacent to one another, either at an upper area of the furniture body ( 2 ) or at a lower area of the furniture body ( 2 ).  
     
     
         4 . Guide device according to one of  claims 1  to  3 , characterized by an adjustable stop ( 13 ) for limiting the displacement path of the sliding door ( 1 ).  
     
     
         5 . Guide device according to  claim 4 , characterized in that the stop ( 13 ) is arranged on the bar ( 6 ).  
     
     
         6 . Guide device according to one of  claims 1  to  5 , characterized in that the running roller is fastened to the sliding door ( 1 ) by means of a fastening element ( 5 ), wherein a through-opening through which the fastening element ( 5 ) is guided is formed in the sliding door ( 1 ).  
     
     
         7 . Guide device according to one of  claims 1  to  6 , characterized in that the fastening element ( 5 ) comprises a round structural component part which has a cylindrical area ( 59 ) adjoined by a conical area ( 66 ).  
     
     
         8 . Guide device according to one of  claims 1  to  6 , characterized in that the holding element ( 5 ) has a pocket hole ( 60 ) whose base is adjoined by a through-hole ( 57 ), wherein the pocket hole is closed in its front area by a closure cap ( 62 ).  
     
     
         9 . Guide device according to one of  claims 1  to  6 , characterized in that the bar ( 6 ) is fastened to the outer side of an upper or lower surface of the furniture body ( 2 ).  
     
     
         10 . Guide device according to one of  claims 1  to  6 , characterized in that the bar ( 6 ) is fastened to a front side of the furniture body ( 2 ).  
     
     
         11 . Guide device according to one of  claims 1  to  10 , characterized in that the bar ( 6 ) is fastened to the furniture body ( 2 ) by an angle ( 16 ).  
     
     
         12 . Guide device according to one of  claims 1  to  11 , characterized in that the holding elements ( 7 ,  17 ) of the bar ( 6 ) are constructed in such a way that the bar ( 6 ) is grasped only partially by a receiving area ( 9 ) of the holding element ( 7 ).  
     
     
         13 . Guide device according to one of  claims 1  to  12 , characterized in that the holding elements ( 7 ,  17 ) grasp the bar ( 6 ) by their holding area ( 27 ) in a frictional engagement by more than half of the circumference.  
     
     
         14 . Guide device according to one of  claims 1  to  13 , characterized in that the holding elements ( 7 ) are constructed in such a way that their length is adjustable in the mounted state.  
     
     
         15 . Guide device according to one of  claims 1  to  14 , characterized by a U-shaped rail ( 15 ) in which one side of the sliding door ( 1 ) is guided.  
     
     
         16 . Guide device according to one of  claims 1  to  15 , characterized in that the running roller ( 3 ) is constructed in multiple parts, wherein the running surface ( 4 ) is produced from plastic.  
     
     
         17 . Guide device according to one of  claims 1  to  16 , characterized in that the sliding door is constructed as a sliding glass door.  
     
     
         18 . Guide device according to one of  claims 1  to  17 , characterized in that the holding element ( 17 ) has an adjusting bearing ( 31 ) between a base part ( 29 ) of a running rail receptacle ( 26 ) connected to the furniture body, the distance of the adjusting bearing ( 31 ) from the base part ( 29 ) can be changed and the running rail receptacle ( 26 ) is supported at the adjusting bearing ( 31 ).  
     
     
         19 . Guide device according to one of  claims 1  to  18 , characterized in that the base part ( 29 ) is constructed as a cup-like fastening bushing which contacts the furniture body by its cup base.  
     
     
         20 . Guide device according to one of  claims 1  to  19 , characterized in that the adjusting bearing ( 31 ) is supported so as to be rotatable with a complementary external thread ( 36 ) in an internal thread ( 44 ) of the base part ( 29 ).  
     
     
         21 . Guide device according to one of  claims 1  to  20 , characterized in that the adjusting bearing ( 31 ) is constructed as an adjusting disk ( 32 ) and the surface of the adjusting disk ( 32 ) remote of the furniture body forms an adjusting surface ( 37 ) contacting the running rail receptacle ( 26 ).  
     
     
         22 . Guide device according to one of  claims 1  to  21 , characterized in that a wall ( 67 ) of the cup-like base part ( 29 ) has an external thread ( 45 ).