Speed reducer

Description

1.-2. Speed reducer

1.1 : Perspective

1.2 : Perspective

1.3 : Front

1.4 : Back

1.5 : Left

1.6 : Top

2.1 : Perspective

2.2 : Perspective

2.3 : Front

2.4 : Back

2.5 : Left

2.6 : Top

The parts shown by means of broken lines in the reproductions are not part of the claimed design; the right side view is omitted because it is a mirror image of the left side view; the bottom view is omitted because it is a mirror image of the top view.

Claims

The ornamental design for a speed reducer, as shown and described.