Chair

Abstract

A chair comprises a seat portion for enabling a user to sit on the chair and support means for supporting the seat portion. The seat portion is movable between a plurality of different height positions on the support means, and includes locking means adapted for engagement with and disengagement from the support means at each height position, by rocking the seat portion relative to the support means, wherein the seat portion is locked relative to the support means when the locking means is in the engaged position and free to move relative to the support means between different height positions when the locking means is disengaged.

1 - 13 . (canceled) 
   
   
       14 . A chair which comprises:
 a seat portion for enabling a user to sit on the chair;   support means having a plurality of locating formations spaced apart from one another for supporting the seat portion;   in which the seat portion is movable between a plurality of different height positions corresponding to the locating means on the support means; the seat portion includes locking means adapted for engagement with and disengagement from the locating means of the support means by rocking the seat portion relative to the support means, wherein the locating means and locking means co-operate to locate the seat portion at a selected height position and the seat portion is locked relative to the support means when the locking means is in the engaged position and free to move relative to the support means between different height positions when the locking means is disengaged.   
   
   
       15 . A chair as claimed in  claim 14 , in which the seat portion includes sleeve means adapted for receiving a portion of the support means for enabling the seat portion to be raised or lowered on said portion of the support means. 
   
   
       16 . A chair as claimed in  claim 14 , in which the sleeve means are configured for rocking movement relative to said portion of the support means. 
   
   
       17 . A chair as claimed in  claim 15 , in which the locking means are provided on the sleeve means. 
   
   
       18 . A chair as claimed in claim  4 , in which the locking means are arranged for movement with the sleeve means. 
   
   
       19 . A chair as claimed in  claim 14 , in which the locking means comprises pin means. 
   
   
       20 . A chair as claimed in  claim 14 , in which the support means defines a pair of legs, each leg including a plurality of spaced apart apertures along a portion of the leg, the position of the apertures generally corresponding to the different height positions for the seat portion on the support means and being adapted to co-operate with the locking means for locking the seat portion at a selected height portion. 
   
   
       21 . A chair as claimed in  claim 20 , in which a pair of sleeve formations is provided spaced apart from one another on the seat portion, with the legs of the support means arranged to extend through the respective sleeve formations. 
   
   
       22 . A chair as claimed in  claim 21 , in which the seat portion is arranged between the sleeve formations. 
   
   
       23 . A chair as claimed in  claim 14 , in which the support means is generally S-shaped when viewed from the side. 
   
   
       24 . A chair as claimed in  claim 14 , in which the support means is adapted for nestling with a plurality of said support means.