Extendable seating structure with storage region for extended portion

Abstract

An extendable seating structure includes a first portion, a second portion, a coupling structure, and a third seating portion. The first portion includes a first seating portion and legs coupled to the first seating portion. The second portion includes a second seating portion and legs coupled to the second seating portion. The coupling structure is coupled to the first portion and the second portion. The coupling structure is configured to allow the first portion and second portion to move relative to each other. The third seating portion is configured to be positioned in a first position or a second position. The first position is between the first seating portion and the second seating portion when the seating structure is in a first configuration. The second position is a storage region of the seating structure when the seating structure is in a second configuration.

What is claimed is: 
     
         1 . An extendable seating structure comprising:
 a first seating portion;   at least one first leg coupled to the first seating portion;   a second seating portion;   at least one second leg coupled to the second seating portion;   a coupling structure coupled to the first seating portion and the second seating portion, wherein the coupling structure is configured to allow the first seating portion and second seating portion to move relative to each other; and   a third seating portion configured to be positioned in a first position or a second position, wherein the first position is between the first seating portion and the second seating portion when the extendable seating structure is in a first configuration, wherein the second position is a storage region of the extendable seating structure when the extendable seating structure is in a second configuration.   
     
     
         2 . The extendable seating structure of  claim 1 , wherein the coupling structure comprises:
 a first set of sliders; and   a first set of railings coupled to the first set of sliders.   
     
     
         3 . The extendable seating structure of  claim 2 , wherein the storage region is formed by the first set of railings. 
     
     
         4 . The extendable seating structure of  claim 2 , wherein the third seating portion is positioned on the first set of railings when the extendable seating structure is in a contracted configuration. 
     
     
         5 . The extendable seating structure of  claim 1 , wherein the coupling structure comprises:
 a first slider coupled to the first seating portion;   a second slider coupled to the second seating portion; and   a first railing coupled to the first slider and the second slider, wherein the first slider, the second slider and the first railing are configured to allow the first seating portion and the second seating portion to move relative to each other.   
     
     
         6 . The extendable seating structure of  claim 5 , wherein the coupling structure further comprises:
 a third slider coupled to the first seating portion;   a fourth slider coupled to the second seating portion; and   a second railing coupled to the third slider and the fourth slider, wherein the third slider, the fourth slider and the second railing are configured to allow the first seating portion and the second seating portion to move relative to each other.   
     
     
         7 . The extendable seating structure of  claim 6 , wherein the third seating portion is positioned on the first railing when the extendable seating structure is in a first configuration, and the third seating portion is positioned on the second railing when the extendable seating structure is in a second configuration, wherein the first railing and the second railing are on different levels. 
     
     
         8 . The extendable seating structure of  claim 1 , wherein the first configuration is an extended configuration, and the second configuration is a contracted configuration. 
     
     
         9 . The extendable seating structure of  claim 1 , wherein the third seating portion is a foldable seating portion. 
     
     
         10 . The extendable seating structure of  claim 1 , wherein the third seating portion comprises:
 a first fold portion;   a second fold portion; and   a hinge coupling the first fold portion to the second fold portion.   
     
     
         11 . The extendable seating structure of  claim 1  further comprising a locking mechanism configured to lock and unlock the extendable seating structure in the first configuration and/or the second configuration. 
     
     
         12 . An extendable table structure comprising:
 a first table portion;   at least one first leg coupled to the first table portion;   a second table portion;   at least one second leg coupled to the second table portion;   a coupling structure coupled to the first table portion and the second table portion, wherein the coupling structure is configured to allow the first table portion and second table portion to move relative to each other; and   a third table portion configured to be positioned in a first position or a second position, wherein the first position is between the first table portion and the second table portion when the extendable table structure is in a first configuration, wherein the second position is a storage region of the extendable table structure when the extendable table structure is in a second configuration.   
     
     
         13 . The extendable seating structure of  claim 12 , wherein the coupling means comprises:
 a first set of sliders; and   a first set of railings coupled to the first set of sliders.   
     
     
         14 . The extendable seating structure of  claim 13 , wherein the storage region is formed by the first set of railings. 
     
     
         15 . The extendable seating structure of  claim 13 , wherein the third seating portion is positioned on the first set of railings when the extendable seating structure is in a contracted configuration. 
     
     
         16 . An extendable seating structure comprising:
 a first portion comprising:
 a first seating portion; and 
 a first set of legs coupled to the first seating portion; 
   a second portion comprising:
 a second seating portion; and 
 a second set of legs coupled to the second seating portion; 
   a coupling structure coupled to the first portion and the second portion, wherein the coupling structure is configured to allow the first portion and second portion to move relative to each other; and   a third seating portion configured to be positioned in a first position or a second position, wherein the first position is between the first seating portion and the second seating portion when the extendable seating structure is in a first configuration, wherein the second position is a storage region of the extendable seating structure when the extendable seating structure is in a second configuration.   
     
     
         17 . The extendable seating structure of  claim 16 , wherein the coupling structure comprises:
 a first set of sliders; and   a first set of railings coupled to the first set of sliders.   
     
     
         18 . The extendable seating structure of  claim 17 , wherein the storage region is formed by the first set of railings. 
     
     
         19 . The extendable seating structure of  claim 16 , wherein the coupling structure comprises:
 a first railing comprising a protrusion; and   a second railing comprising a cavity, the second railing coupled to the first railing through the cavity and the protrusion.