Support device for a chair, said device providing an enrgonomic working position, both standing up and sitting down, respectively

Abstract

Device detachably attached to a chair, especially an office chair, providing an ergonomic workstation, comprising at least one pivotal arm unit, the one end of which is attached to the chair, and to the other end of which a work plate having a manageable size for the placement of working tools is pivotally attached. The arm unit and work plate are selectively positionable for a user of the working tools for sitting working position in the chair, and standing working position behind the chair, respectively.

1 - 6 . (canceled)  
   
   
       7 . A device for detachably attaching to a chair, the device comprising: 
 at least one pivotable arm unit, one end of which is attached to the chair; and    a work plate shaped and configured to support working tools, and said work plate being pivotally attached to said arm unit, said arm unit and said work plate being selectively positionable for a user of the working tools for sitting working position in the chair, and standing working position behind the chair, respectively.    
   
   
       8 . The device according to  claim 7 , wherein when said arm unit and said work plate are positioned for a user in a sitting working position in the chair, said arm unit provides a forearm support on which a forearm of the user can rest.  
   
   
       9 . The device according to  claim 7 , wherein said work plate is pivotable about an axis extending in the extension of the end of said arm unit, to which end said work plate is attached.  
   
   
       10 . The device according to  claim 8 , wherein said work plate is pivotable about an axis extending in the extension of the end of said arm unit, to which end said work plate is attached.  
   
   
       11 . The device according to  claim 7 , wherein said at least one pivotable arm unit comprises two pivotable arm units, said arm units being detachably attached to each side of the chair, opposite to each other.  
   
   
       12 . The device according to  claim 8 , wherein said at least one pivotable arm unit comprises two pivotable arm units, said arm units being detachably attached to each side of the chair, opposite to each other.  
   
   
       13 . The device according to  claim 9 , wherein said at least one pivotable arm unit comprises two pivotable arm units, said arm units being detachably attached to each side of the chair, opposite to each other.  
   
   
       14 . The device according to  claim 10 , wherein said at least one pivotable arm unit comprises two pivotable arm units, said arm units being detachably attached to each side of the chair, opposite to each other.  
   
   
       15 . The device according to  claim 11 , wherein said work plate of said at least one arm unit is shaped and configured to support a computer keyboard, and said work plate of the second arm unit is shaped and configured for a computer mouse.  
   
   
       16 . The device according to  claim 12 , wherein said work plate of said at least one arm unit is shaped and configured to support a computer keyboard, and said work plate of the second arm unit is shaped and configured for a computer mouse.  
   
   
       17 . The device according to  claim 13 , wherein said work plate of said at least one arm unit is shaped and configured to support a computer keyboard, and said work plate of the second arm unit is shaped and configured for a computer mouse.  
   
   
       18 . The device according to  claim 14 , wherein said work plate of said at least one arm unit is shaped and configured to support a computer keyboard, and said work plate of the second arm unit is shaped and configured for a computer mouse.  
   
   
       19 . The device according to  claim 15 , wherein when said arm unit and said work plate to support a computer keyboard are positioned for a user in a sitting position in the chair, said work plate adapted to support a computer keyboard is positionable directly in front of the user.  
   
   
       20 . The device according to  claim 16 , wherein when said arm unit and said work plate to support a computer keyboard are positioned for a user in a sitting position in the chair, said work plate adapted to support a computer keyboard is positionable directly in front of the user.  
   
   
       21 . The device according to  claim 17 , wherein when said arm unit and said work plate to support a computer keyboard are positioned for a user in a sitting position in the chair, said work plate adapted to support a computer keyboard is positionable directly in front of the user.  
   
   
       22 . The device according to  claim 18 , wherein when said arm unit and said work plate to support a computer keyboard are positioned for a user in a sitting position in the chair, said work plate adapted to support a computer keyboard is positionable directly in front of the user.