Width-adjustable chair

Abstract

The chair of the invention includes a stand, a first seat and a second seat. The stand includes a mount and a supporting bar horizontally connected thereto. The first seat connects to a side of the supporting bar. The second seat connects to the other side of the supporting bar to associate with the first seat. The first seat and the second seat can be horizontally moved to adjust a distance therebetween.

What is claimed is: 
     
         1 . A width-adjustable chair comprising:
 a stand comprising a mount and a supporting bar horizontally connected thereto;   a first seat connected to a side of the supporting bar;   a second seat connected to the other side of the supporting bar to associate with the first seat, wherein the first seat and the second seat can be horizontally moved to adjust a distance therebetween.   
     
     
         2 . The width-adjustable chair of  claim 1 , wherein the first seat comprises a first cushion and a first armrest vertically extending therefrom. 
     
     
         3 . The width-adjustable chair of  claim 2 , wherein the first seat further comprises a first post fixed under the first seat, and the supporting bar is formed with a first trough for slidably engaging with the first post. 
     
     
         4 . The width-adjustable chair of  claim 3 , wherein the first post is pivotally provided with a first link, the first trough is formed with a plurality of first perforations corresponding to the first link, and one of the first perforations is inserted by the first link. 
     
     
         5 . The width-adjustable chair of  claim 3 , wherein the first seat further comprises a first adjusting rod, the first post has a first threaded hole, and the first adjusting rod passes through the first threaded hole to be fixed in the mount. 
     
     
         6 . The width-adjustable chair of  claim 5 , wherein the first adjusting rod is provided with a knob. 
     
     
         7 . The width-adjustable chair of  claim 1 , wherein the second seat comprises a second cushion and a second armrest vertically extending therefrom. 
     
     
         8 . The width-adjustable chair of  claim 7 , wherein the second seat further comprises a second post fixed under the second seat, and the supporting bar is formed with a second trough for slidably engaging with the second post. 
     
     
         9 . The width-adjustable chair of  claim 8 , wherein the second post is pivotally provided with a second link, the second trough is formed with a plurality of second perforations corresponding to the second link, and one of the second perforations is inserted by the second link. 
     
     
         10 . The width-adjustable chair of  claim 8 , wherein the second seat further comprises a second adjusting rod, the second post has a second threaded hole, and the second adjusting rod passes through the second threaded hole to be fixed in the mount. 
     
     
         11 . The width-adjustable chair of  claim 10 , wherein the second adjusting rod is provided with a knob. 
     
     
         12 . The width-adjustable chair of  claim 1 , further comprising a middle seat on the mount and between the first seat and the second seat. 
     
     
         13 . A width-adjustable chair comprising:
 a stand comprising a mount and a supporting bar horizontally connected thereto;   a middle seat connected to the mount;   a first seat connected to the middle seat and located on a side of the supporting bar;   a second seat, corresponding to the first seat, located on the other side of the supporting bar, wherein the first seat and the second seat can be horizontally moved to adjust a distance therebetween.   
     
     
         14 . The width-adjustable chair of  claim 13 , wherein the first seat is fixed under the middle seat. 
     
     
         15 . The width-adjustable chair of  claim 14 , wherein the first seat further comprises a first post and a first adjusting rod, and the first adjusting rod passes through the first post and is fixed to the mount. 
     
     
         16 . The width-adjustable chair of  claim 15 , wherein the first post is fixed under the first seat, and the supporting bar is formed with a first trough for slidably engaging with the first post. 
     
     
         17 . The width-adjustable chair of  claim 13 , wherein the second seat is fixed under the middle seat. 
     
     
         18 . The width-adjustable chair of  claim 17 , wherein the second seat further comprises a second post and a second adjusting rod, and the second adjusting rod passes through the second post and is fixed to the mount. 
     
     
         19 . The width-adjustable chair of  claim 18 , wherein the second post is fixed under the second seat, and the supporting bar is formed with a second trough for slidably engaging with the second post.