FIG. 1 is a front view of a chair embodying my invention.

FIGS. 2 to 4 are respectively rear, right-side, and left-hand views of the chair of FIG. 1.

FIG. 5 is a front view of another chair embodying my invention.

FIGS. 6 to 8 are respectively rear, right-side and left-side views of the chair of FIG. 5.

FIG. 9 is a front view of still another chair embodying my invention.

FIGS. 10 to 12 are respectively rear, right-side, and left-side views of the chair of FIG. 9.

FIG. 13 is a front view of yet another chair embodying my invention.

FIG. 14 is a rear view of the chair of FIG. 13.

FIG. 15 is a right-side elevational view of the chair of FIG. 13; and

FIG. 16 is a left-side elevational view thereof.