The ornamental design for a mechanical joint, as shown and described.
1. Mechanical joint
1.1: Perspective
1.2: Front
1.3: Right
1.4: Top
1.5: Bottom
1.6: Cross sectional
1.7: Cross sectional
1.8: Cross sectional
1.9: Cross sectional
1.10: Cross sectional
1.11: Cross sectional
1.12: Front
1.13: Top
1.14: Cross sectional
1.15: Cross sectional
1.16: Cross sectional
1.17: Cross sectional
1.18: Cross sectional
1.19: Cross sectional
1.20: Cross sectional
1.21: Cross sectional
1.22: Cross sectional
1.23: Cross sectional
The evenly spaced broken lines shown in the drawings depict portions of the mechanical joint and form no part of the claim. The long-dash short-dash broken lines indicates cutoff boundaries for enlarged detail portion views and form no part of the claim.
The back view is omitted because it is a mirror image of the front view; the left side view is omitted because it is identical to the right side view; reproduction 1.12is the front view showing a constituent member of the mechanical joint; reproduction 1.13is the top view showing a constituent member of the mechanical joint; reproduction 1.6is a cross-sectional view taken along line 1.6-1.6of reproduction 1.4; reproduction 1.7is a cross-sectional view taken along line 1.7-1.7of reproduction 1.4; reproduction 1.8is a partially enlarged cross-sectional view of 1.8-1.8region in reproduction 1.6; reproduction 1.9is a partially enlarged cross-sectional view of 1.9-1.9region in reproduction 1.7; reproduction 1.10is a partially enlarged cross- sectional view of 1.10-1.10region in reproduction 1.8; reproduction 1.11is a partially enlarged cross-sectional view of 1.11-1.11region in reproduction 1.9; reproduction 1.14is a cross-sectional view taken along line 1.14-1.14of reproduction 1.13; reproduction 1.15is a cross-sectional view taken along line 1.15-1.15of reproduction 1.13; reproduction 1.16is a partially enlarged cross-sectional view of 1.16-1.16region in reproduction 1.14.; Reproduction 1.17is a partially enlarged cross-sectional view of 1.17-1.17region in reproduction 1.14; reproduction 1.18is a partially enlarged cross-sectional view of 1.18-1.18region in reproduction 1.15; reproduction 1.19is a partially enlarged cross- sectional view of 1.19-1.19region in reproduction 1.15; reproduction 1.20is a partially enlarged cross-sectional view of 1.20-1.20region in reproduction 1.16; reproduction 1.21is a partially enlarged cross-sectional view of 1.21-1.21region in reproduction 1.17; reproduction 1.22is a partially enlarged cross-sectional view of 1.22-1.22region in reproduction 1.18; reproduction 1.23is a partially enlarged cross-sectional view of 1.23-1.23region in reproduction 1.19.