Patent ID: 7055911

Claim:
A chair comprising: a base; a seat supported on said base; and a back assembly having a rigid back frame supported on said seat, said back frame comprising a plurality of side rails projecting vertically above said seat in laterally spaced relation, and a crossbar having opposite ends removably engagable with upper ends of said side rails, said back assembly further comprising a mounting bracket near a lower edge of said back assembly and a flexible cover adapted to support a back of a chair occupant, said cover comprising interior side pockets, a top pocket and a bottom pocket, a lower edge of said cover at least including lower openings which open into said bottom pocket and are laterally spaced apart with a central hem section defined therebetween, said cover being secured on said back frame wherein said side rails are received vertically in said side pockets through said lower openings and said crossbar extends horizontally within said top pocket, said back assembly including a retaining member which is held within said lower pocket by said central hem section and has opposite ends which project out of said lower openings and engage said mounting bracket to prevent removal of said cover.