Keyboard Switch

FIG. 1 is a front perspective view of a keyboard switch, showing my new design; FIG. 2 is a rear perspective view thereof; FIG. 3 is a front view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a top view thereof; FIG. 8 is a bottom view thereof; and, FIG. 9 is an enlarged view of an encircled portion of the keyboard switch labeled 9 in FIG. 1 . The evenly-dashed broken lines in the drawings illustrate portions of the keyboard switch that form no part of the claimed design. The dash-dot-dash broken lines encircling portions of the keyboard switch illustrated in enlargements form no part of the claimed design.