Holding device for attaching an accessory part to a frame element of a table, table, and method for attaching the accessory part

Abstract

A holding device (2) for attaching an accessory part to a frame element (3) of a table (1) is provided. The holding device (2) comprises an elongated fastening device (8) which, at a first end (13), is connectable to the frame element (3), a tubular arm element (9) comprising an accommodation element (10) for accommodating the accessory part, a first bolt (11), and an adjusting device (16). The arm element (9) comprises, in cross section, opposite first bearings (12) for supporting the first bolt (11), the fastening device (8) comprises a second bearing (15) for supporting the first bolt (11) in the region of the second end (14), the fastening device (8) is at least partially arranged in the arm element (9) and is accommodated pivotably about an axis of the first bolt (11), and the adjusting device (16) is configured to adjust a pivoting angle (a) between the arm element (9) and the fastening device (8) about the axis of the first bolt (11).

What is claimed is: 
     
         1 . A holding device for attaching an accessory part to a frame element of a table, wherein the holding device comprises:
 an elongated fastening device which, at a first end, is connectable to the frame element,   a tubular arm element comprising an accommodation element for accommodating the accessory part,   a first bolt, and   an adjusting device,   
       wherein
 the arm element comprises, in cross section, opposite first bearings for supporting the first bolt, 
 the fastening device comprises a second bearing for supporting the first bolt in the region of a second end, 
 the fastening device is at least partially arranged in the arm element and is accommodated pivotably about an axis of the first bolt by the arm element, and 
 the adjusting device is configured to adjust a pivoting angle (a) between the arm element and the fastening device about the axis of the first bolt. 
 
     
     
         2 . The holding device according to  claim 1 , wherein
 the fastening device comprises a clamping device and two clamping elements arranged in the region of the first end and connected by the clamping device,   the clamping elements respectively comprise a hook-shaped projection protruding from the first end of the fastening device, and the hook shapes of the projections are averted from each other, and   the clamping device is configured to adjust a distance of the hook-shaped projections.   
     
     
         3 . The holding device according to  claim 2 , wherein
 the fastening device comprises a first clamping arm and a second clamping arm as the clamping elements and a second bolt, and,   in the region of the second end of the fastening device, for supporting the second bolt, the first clamping arm is provided with a third bearing and the second clamping arm is provided with a fourth bearing in order to support the first clamping arm pivotably relative to the second clamping arm about an axis of the second bolt.   
     
     
         4 . The holding device according to  claim 3 , wherein
 the first bolt and the second bolt are identical.   
     
     
         5 . The holding device according to  claim 2 , wherein
 the clamping device comprises a clamping studbolt, and   a threaded hole for the clamping studbolt is provided in one of the clamping elements in such a manner that the clamping studbolt screwed into the threaded hole can be supported on the other one of the clamping elements in order to adjust the distance of the hook-shaped projections when the clamping studbolt is turned.   
     
     
         6 . The holding device according to  claim 1 , wherein
 the adjusting device comprises an adjusting studbolt,   in the fastening device, a threaded hole for the adjusting studbolt is provided in a predetermined distance from the axis of the first bolt in such a manner that the adjusting studbolt screwed into the threaded hole can be supported on the arm element in order to adjust the pivoting angle (a) between the arm element and the fastening device when the adjusting studbolt is turned.   
     
     
         7 . The holding device according to  claim 1 , wherein
 the first bearings comprise through holes in a wall of the tubular arm element.   
     
     
         8 . A table with a holding device according to  claim 1 , wherein
 the table further comprises a frame element to which the holding device is attachable.   
     
     
         9 . The table according to  claim 8  with a holding device,
 wherein the fastening device comprises a clamping device and two clamping elements arranged in the region of the first end and connected by the clamping device, the clamping elements respectively comprise a hook-shaped projection protruding from the first end of the fastening device, and the hook shapes of the projections are averted from each other, and the clamping device is configured to adjust a distance of the hook-shaped projections; 
 wherein 
 the frame element has a rectangular cross section and, on a side provided for attaching the holding device, a first slit-shaped orifice with two long sides and two ends, which is configured to accommodate the hook-shaped projections in such a manner that the hook shapes make a form fit connection with the frame element at the ends of the first slit-shaped orifice when the hook-shaped projections are suitably spaced apart and can thus be braced. 
 
     
     
         10 . The table according to  claim 8  with a holding device,
 wherein the fastening device comprises a clamping device and two clamping elements arranged in the region of the first end and connected by the clamping device, the clamping elements respectively comprise a hook-shaped projection protruding from the first end of the fastening device, and the hook shapes of the projections are averted from each other, and the clamping device is configured to adjust a distance of the hook-shaped projections; 
 wherein 
 the frame element has a rectangular cross section, comprises a first slit-shaped orifice having two long sides and two ends on a side provided for attaching the holding device, and comprises a second slit-shaped orifice having two long sides and two ends on a side adjacent to the side provided for attaching the holding device, wherein the 
 the first slit-shaped orifice and the second slit-shaped orifice are configured to respectively accommodate one of the hook-shaped projections in such a manner that the hook shape makes a form fit connection with the frame element at one of the ends of the first and second slit-shaped orifices when the hook-shaped projections are suitably spaced apart and can thus be braced. 
 
     
     
         11 . A method for attaching an accessory part to a frame element of a table with a holding device according to  claim 1 , having the steps:
 attaching the holding device to the frame element; and   adjusting an appropriate pivoting angle (a) between the tubular arm element and the fastening device by means of the adjusting device.   
     
     
         12 . The method according to  claim 11 , wherein
 the fastening device comprises a clamping device and two clamping elements arranged in the region of the first end and connected by the clamping device, the clamping elements respectively comprise a hook-shaped projection protruding from the first end of the fastening device, and the hook shapes of the projections are averted from each other, and the clamping device is configured to adjust a distance of the hook-shaped projections;   the frame element comprises at least one of a first slit-shaped orifice and a second slit-shaped orifice for attaching the holding device; and   attaching the holding device to the table is performed with the steps:   inserting the hook-shaped projections into the at least one of the first and second slit-shaped orifices, and   adjusting the appropriate distance so that the hook-shaped projections make a form fit connection with the slit-shaped orifices and are braced there with.