Seat back, more particularly, for an active-dynamic seating device

Abstract

The seat back in accordance with the invention, provided more particularly for an active-dynamic seating device 5, comprises a base part 1, a connecting means 2 and a backrest 3. Preferably the base part 1 is configured plate-shaped and its upper side is provided for mounting a foot part 4 of an active-dynamic seating device 5. As an alternative the base part 1 may be secured directly to the foot part 4 of the active-dynamic seating device 5.

What is claimed is:  
     
         1 . A seat back, more particularly for an active-dynamic seating device, including a base part ( 1 ); a connecting means ( 2 ); and a backrest ( 3 ).  
     
     
         2 . The seat back as set forth in  claim 1  wherein said base part ( 1 ) is configured plate-shaped and its upper side is configured for mounting a foot part ( 4 ) of an active-dynamic seating device ( 5 ).  
     
     
         3 . The seat back as set forth in  claim 1  wherein said base part ( 1 ) is secured to said foot part ( 4 ) of an active-dynamic seating device ( 5 ).  
     
     
         4 . The seat back as set forth in  claim 3  wherein said connecting means ( 2 ) is secured to said base part ( 1 ) and extends upright.  
     
     
         5 . The seat back as set forth in  claim 4  wherein said connecting means ( 2 ) is configured tilt-adjustable relative to said base part ( 1 ).  
     
     
         6 . The seat back as set forth in  claim 5  wherein said backrest ( 3 ) is arranged at the upright top end section of said connecting means ( 2 ).  
     
     
         7 . The seat back as set forth in  claim 6  wherein said backrest ( 3 ) is secured to said connecting means ( 2 ) by a connector ( 6 ).  
     
     
         8 . The seat back as set forth in  claim 7  wherein one or more armrests ( 7 ) are provided.  
     
     
         9 . The seat back as set forth in  claim 8  wherein said at least one armrest ( 7 ) is configured height-adjustable.  
     
     
         10 . The seat back as set forth in  claim 9  wherein a headrest ( 8 ) is provided in the region of said top end section of said backrest ( 3 ).  
     
     
         11 . The seat back as set forth in  claim 10  wherein said base part ( 1 ) is screwed to said foot part ( 4 ) of said seating device.  
     
     
         12 . The seat back as set forth in the  claim 11  wherein said connecting means ( 2 ) is welded to said base part ( 1 ).  
     
     
         13 . The seat back as set forth in  claim 12  wherein said connector ( 6 ) is configured such that said upper end of said connecting means ( 2 ) comprises also a stepped tubular section on which a tubular lower end of said backrest ( 3 ) is mounted.  
     
     
         14 . The seat back as set forth in  claim 13  wherein said connector ( 6 ) is locked in place by a grub screw ( 9 ).  
     
     
         15 . The seat back as set forth in  claim 14  wherein said base part ( 1 ), connecting means ( 2 ) and frame ( 10 ) of said backrest ( 3 ) are made of metal.  
     
     
         16 . An active-dynamic seating device ( 5 ) including a seat back comprising: 
 a base part ( 1 ) arranged on a foot part ( 4 ) of said seating device ( 5 );    a connecting means ( 2 ); and    a backrest ( 3 ).    
     
     
         17 . The seating device as set forth in  claim 16  wherein said base part ( 1 ) is configured plate-shaped and its upper side is configured for mounting said foot part ( 4 ) of said active-dynamic seating device ( 5 ).  
     
     
         18 . The seating device as set forth in  claim 16  wherein said base part ( 1 ) is secured to said foot part ( 4 ) of said active-dynamic seating device ( 5 ).  
     
     
         19 . A seating assembly including a seat back assembly and an active-dynamic seating device having a foot part, said seat back assembly comprising a base part arranged on said foot part of said seating device, a backrest, and connecting means for attaching said backrest to said base part.