Mechanical coupler

Description

FIG. 1 is a front elevation view of another embodiment of a coupler design of the present invention, which is substantially identical to the rear elevation view of the coupler;

FIG. 2 is a top plan view of the coupler of FIG. 1;

FIG. 3 is a bottom plan view of the coupler of FIG. 1; and,

FIG. 4 is a left side elevation view of the coupler of FIG. 1, which is substantially identical to the right side elevation view of the coupler of FIG. 1.

Claims

The ornamental design for a mechanical coupler, as shown and described.