Patent ID: 7195319

Claim:
A chair comprising: a base assembly comprising: a first one-piece, U-shaped base rail including a first elongated upper portion having a first leg unitary with and depending obliquely downward from a first end of the elongated upper portion, a second leg unitary with and depending obliquely downward from a second end of the elongated upper portion and a projection portion including a first aperture, the projection portion extending from the second end past an outer surface of the second leg; a second one-piece, U-shaped base rail including a second elongated upper portion having a first leg unitary with and depending obliquely downward from a first end of the elongated upper portion, a second leg unitary with and depending obliquely downward from a second end of the elongated upper portion and a projection portion including a second aperture, the projection portion extending from the second end past an outer surface of the second leg, the first and second one-piece, U-shaped base rails being spaced apart from and generally aligned with each other; and a tubular mounting bracket extending between the first and second apertures to connect the first one-piece, U-shaped base rail to the second one-piece, U-shaped base rail; a seat frame located above the base assembly; a seat attached to the seat frame; and a seat back connected to the seat frame.