FIG. 1 is a front left perspective view of an adjustable seat in a first position having our new design;
FIG. 2 is a front view of the seat of FIG. 1; and
FIG. 3 is a side view of the seat of FIG. 1.
FIG. 4 is a front left perspective view of an adjustable seat in a second position having our new design;
FIG. 5 is a front view of the seat of FIG. 4; and
FIG. 6 is a side view of the seat of FIG. 4.
FIG. 7 is a front left perspective view of an adjustable seat in a third position having our new design;
FIG. 8 is a front view of the seat of FIG. 7; and
FIG. 9 is a side view of the seat of FIG. 7.
FIG. 10 is a front left perspective view of an adjustable seat in a fourth position having our new design;
FIG. 11 is a front view of the seat of FIG. 10; and
FIG. 12 is a side view of the seat of FIG. 10.
FIG. 13 is a front left perspective view of an adjustable seat in a fifth position having our new design;
FIG. 14 is a front view of the seat of FIG. 13; and,
FIG. 15 is a side view of the seat of FIG. 13.
The dash-dot lines in the figures represent boundaries of the design that form no part of the claim. The dot-dot lines represent optional features, such as nail heads, and other portions of the adjustable seat that form no part of the claimed design.