FIG. 1 is a first front perspective view from above of a parking meter mechanism showing the claimed design;
FIG. 2 is a front view of the claimed design of FIG. 1;
FIG. 3 is a rear view of the claimed design of FIG. 1;
FIG. 4 is a right side view of the claimed design of FIG. 1;
FIG. 5 is a left side view of the claimed design of FIG. 1;
FIG. 6 is a top view of the claimed design of FIG. 1;
FIG. 7 is a bottom view of the claimed design of FIG. 1;
FIG. 8 is a second front perspective view from above of the claimed design of FIG. 1;
FIG. 9 is a first front perspective view from below of the claimed design of FIG. 1;
FIG. 10 is a second front perspective view from below of the claimed design of FIG. 1;
FIG. 11 is a first rear perspective view from above of the claimed design of FIG. 1;
FIG. 12 is a second rear perspective view from above of the claimed design of FIG. 1;
FIG. 13 is a first rear perspective view from below of the claimed design of FIG. 1; and,
FIG. 14 is a second rear perspective view from below of the claimed design of FIG. 1. r
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. The dot-dash lines in the drawings represent a boundary between the claimed design and unclaimed subject matter.