Mechanical connection unit

<figref idref="DRAWINGS">FIG. 1</figref> is a top right perspective view of a mechanical connection unit according to my design;

<figref idref="DRAWINGS">FIG. 2</figref> is an upper front perspective view thereof;

<figref idref="DRAWINGS">FIG. 3</figref> is an upper right perspective view thereof;

<figref idref="DRAWINGS">FIG. 4</figref> is a left top perspective view thereof;

<figref idref="DRAWINGS">FIG. 5</figref> is an upper left perspective view thereof;

<figref idref="DRAWINGS">FIG. 6</figref> is an upper rear perspective view thereof;

<figref idref="DRAWINGS">FIG. 7</figref> is a top plan view thereof;

<figref idref="DRAWINGS">FIG. 8</figref> is a front elevation view thereof;

<figref idref="DRAWINGS">FIG. 9</figref> is a right elevation view thereof;

<figref idref="DRAWINGS">FIG. 10</figref> is a bottom plan view thereof;

<figref idref="DRAWINGS">FIG. 11</figref> is a left elevation view thereof; and,

<figref idref="DRAWINGS">FIG. 12</figref> is a rear elevation view thereof.