Mechanical arm

Description

FIG. 1 is a front, top, and right perspective view of a mechanical arm showing our new design;

FIG. 2 is a rear, bottom and left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Broken lines are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a mechanical arm as shown and described.