Control Knob

FIG. 1 is a front perspective view of a set of control knobs in which environment comprising a treadmill is disclaimed control knob ;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back 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;

FIG. 9 is an enlarged front perspective view of one of the control knobs with the disclaimed environment removed for clarity of disclosure . The claimed design includes the mirror image of the control knob depicted that is not shown;

FIG. 10 is an enlarged back perspective view thereof;

FIG. 11 is an enlarged top view thereof;

FIG. 12 is an enlarged bottom view thereof;

FIG. 13 is an enlarged left-side view thereof. The expanded right-side view is identical to the expanded left-side view; and,

FIG. 14 is an enlarged front view thereof.

FIG. 15 is front perspective view of a control knob;

FIG. 16 is a back perspective view thereof;

FIG. 17 is a front view thereof;

FIG. 18 is a back view thereof;

FIG. 19 is a left-side view thereof;

FIG. 20 is a right-side view thereof;

FIG. 21 is a top view thereof; and

FIG. 22 is a bottom view thereof.

The broken lines depict portions of the treadmill or portions thereof and/or environment of the treadmill or portions thereof which in the drawings illustrate portions of an environmental treadmill and portions of control knob that form no part of the claimed design.