Chair

Abstract

A chair seat has a frame having a groove on the outer side wall of the frame and substantially extending around the frame, a cover having a drawstring incorporated in a hem which substantially extends around the cover, the hem and drawstring being disposed in the groove, and at least one edging strip disposed in the groove which constrains the hem and drawstring of the mesh cover and holds it taut.

1 . A chair seat comprising:
 a frame having a groove on the outer side wall of the frame, substantially extending around the frame;   a cover having a drawstring incorporated in a hem which substantially extends around the cover, the hem and drawstring being disposed in the groove; and   at least one edging strip disposed in the groove which constrain the hem and drawstring of the mesh cover and hold it taut.   
     
     
         2 . A chair seat according to  claim 1 , wherein the edging strips have barbs. 
     
     
         3 . A chair seat according to  claim 1 , wherein a cleat is provided to hold drawstring under tension. 
     
     
         4 . A chair seat according to  claim 1 , wherein a back cap is provided to cover cleat. 
     
     
         5 . A chair seat according to  claim 1 , wherein a plurality of edging strips are provided to secure the mesh cover. 
     
     
         6 . A chair seat according to  claim 1 , corner pieces to secure edging strips. 
     
     
         7 . A chair seat according to  claim 1 , comprising lugs on edging strips for screw holes. 
     
     
         8 . A chair seat according to  claim 1 , wherein the frame includes surface features which resist the inward movement of the cover over the frame. 
     
     
         9 . A method of securing a cover to a chair seat comprising the steps:
 positioning a cover having a drawstring incorporated in a hem which substantially extends on a frame having a groove on the outer side wall of the frame substantially extending around the frame, such that the hem and drawstring are located inside or adjacent the groove; and   pressing at least one edging strip into the groove to constrain the hem and drawstring and pull the cover taut.   
     
     
         10 . A method according to  claim 9 , wherein a plurality of edging strips are provided. 
     
     
         11 . A method according to  claim 10 , wherein a fixture is used to press the edging strips simultaneously from different directions. 
     
     
         12 . A method according to  claim 9 , wherein tension is applied to the drawstring which is then secured in a cleat. 
     
     
         13 . A method according to  claim 9 , wherein the cleat is covered with a back cap. 
     
     
         14 . A method according to  claim 9 , wherein the edging strips are secured with corner pieces. 
     
     
         15 . A method according to  claim 9 , wherein the edging strips have lugs, and the edging strips are secured with screws engaging in lugs.