FIG. 1 is a perspective view 1 of a top plate with a cover opening/closing mechanism showing our new design;
FIG. 2 is a perspective view 2 thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a left side view thereof;
FIG. 8 is a right side view thereof;
FIG. 9 is showing the perspective view of FIG. 1 with the cover removed;
FIG. 10 is another perspective view of FIG. 9;
FIG. 11 is a left side view of FIG. 9;
FIG. 12 is a right side view of FIG. 9;
FIG. 13 is a sectional view thereof taken along line 13-13 of FIG. 3;
FIG. 14 is a sectional view thereof taken along line 14-14 of FIG. 12;
FIG. 15 is a sectional view thereof taken along line 15-15 of FIG. 12;
FIG. 16 is a sectional view thereof taken along line 16-16 of FIG. 12;
FIG. 17 is a sectional view thereof taken along line 17-17 of FIG. 12;
FIG. 18 is a partially enlarged view of section 18-18 of FIG. 14;
FIG. 19 is a partially enlarged view of section 19-19 of FIG. 15;
FIG. 20 is a partially enlarged view of section 20-20 of FIG. 16;
FIG. 21 is a partially enlarged view of section 21-21 of FIG. 17;
FIG. 22 is showing the perspective view of FIG. 1 in a first alternate position;
FIG. 23 is showing the perspective view of FIG. 1 in a second alternate position;
FIG. 24 is showing the perspective view of FIG. 1 in a third alternate position;
FIG. 25 is showing the perspective view of FIG. 9 in a first alternate position;
FIG. 26 is showing the perspective view of FIG. 9 in a second alternate position; and,
FIG. 27 is showing the perspective view of FIG. 9 in a third alternate position.
The broken lines shown in drawings represent unclaimed portions of the top plate with a cover opening/closing mechanism and form no parts of the claimed design.