Chair Assembly

Abstract

A seating unit includes a seat assembly adapted to support a seated user thereon, a back assembly extending upwardly from the seat assembly and adapted to support a seated user, and a headrest assembly adapted to support a head of a seated user. The headrest assembly includes a frame assembly having a pair of vertically spaced frame portions and a pair of horizontally spaced frame portions, wherein the frame portions cooperate to form an open space therebetween, and wherein at least one of the frame portions includes a plurality of first alignment features, and a thermoplastic elastomeric cover member stretched between at least one of the pair of vertically spaced frame portions and the pair of horizontally spaced frame portions, wherein the cover member includes a plurality of second alignment features that cooperate with the first alignment features to align the cover member with the frame assembly.

1 . A seating unit, comprising:
 a seat assembly adapted to support a seated user thereon;   a back assembly extending upwardly from the seat assembly and adapted to support a seated user;   a headrest assembly adapted to support a head of a seated user, the headrest assembly comprising:
 a frame assembly including a pair of vertically spaced frame portions and a pair of horizontally spaced frame portions, wherein the frame portions cooperate to form an open space therebetween, and wherein at least one of the frame portions includes a plurality of first alignment features; and 
 a thermoplastic elastomeric cover member stretched between at least one of the pair of vertically spaced frame portions and the pair of horizontally spaced frame portions, wherein the cover member includes a plurality of second alignment features that cooperate with the first alignment features to align the cover member with the frame assembly. 
   
     
     
         2 . The seating unit of  claim 1 , wherein the cover member is stretched between the pair of horizontally spaced frame portions. 
     
     
         3 . The seating unit of  claim 2 , wherein the pair of vertically spaced frame portions includes the first alignment features. 
     
     
         4 . The seating unit of  claim 3 , wherein the first alignment features include at least one of a plurality of spaced recesses and a plurality of spaced tabs, and wherein the second alignment feature includes the other of the plurality of spaced recesses and the plurality of spaced tabs. 
     
     
         5 . The seating unit of  claim 4 , wherein the first alignment features include the plurality of apertures. 
     
     
         6 . The seating unit of  claim 5 , wherein the horizontally spaced frame portions of the headrest each include a longitudinally extending recess, and wherein the cover member is secured within the recesses of the frame portions by stays received within the recesses. 
     
     
         7 . The seating unit of  claim 6 , further including:
 a support assembly adapted to support a floor surface.   
     
     
         8 . The seating unit of  claim 7 , wherein the support assembly includes a pedestal assembly and a plurality of castors. 
     
     
         9 . The seating unit of  claim 8 , further comprising:
 a first cap member secured to the frame assembly such that a portion of the cover member is positioned between the first cap member and one of the frame portions.   
     
     
         10 . The seating unit of  claim 9 , further comprising:
 a second cap member secured to the frame assembly opposite the first cap member such that a portion of the cover member is positioned between the second cap member and one of the frame portions.   
     
     
         11 . The seating unit of  claim 1 , wherein the pair of vertically spaced frame portions includes the first alignment features. 
     
     
         12 . The seating unit of  claim 1 , wherein the first alignment features include at least one of a plurality of spaced recesses and a plurality of spaced tabs, and wherein the second alignment feature includes the other of the plurality of spaced recesses and the plurality of spaced tabs. 
     
     
         13 . The seating unit of  claim 12 , wherein the first alignment features include the plurality of apertures. 
     
     
         14 . The seating unit of  claim 1 , wherein the horizontally spaced frame portions of the headrest each include a longitudinally extending recess, and wherein the cover member is secured within the recesses of the frame portions by stays received within the recesses. 
     
     
         15 . The seating unit of  claim 1 , further including:
 a support assembly adapted to support a floor surface.   
     
     
         16 . The seating unit of  claim 15 , wherein the support assembly includes a pedestal assembly and a plurality of castors. 
     
     
         17 . The seating unit of  claim 1 , further comprising:
 a first cap member secured to the frame assembly such that a portion of the cover member is positioned between the first cap member and one of the frame portions.   
     
     
         18 . The seating unit of  claim 17 , further comprising:
 a second cap member secured to the frame assembly opposite the first cap member such that a portion of the cover member is positioned between the second cap member and one of the frame portions.   
     
     
         19 . The seat unit of  claim 1 , wherein the headrest assembly is vertically adjustable with respect to the back assembly.