Speed Reducer

FIG. 1 is a top perspective view of a speed reducer, showing our new design.

FIG. 2 is a bottom perspective view thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof.

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

The broken lines shown in the drawings illustrate portions of the speed reducer that form no part of the claimed design.