Reduction gear

FIG. 1 is a first perspective view of a reduction gear;

FIG. 2 is a second 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, the opposite side being a mirror image of the side shown herein;

FIG. 6 is a top view thereof, the opposite side being a mirror image of the side shown herein;

FIG. 7 is an enlarged cross-sectional view taken along line 7 - 7 in FIG. 3 thereof, in which the internal mechanism is omitted; and,

FIG. 8 is an enlarged cross-sectional view taken along line 8 - 8 in FIG. 3 thereof, in which the internal mechanism is omitted.

The broken lines depict portions of the reduction gear in which the design is embodied that are not considered part of the claimed design.