FIG. 1 is a rear perspective view of a trailer hitch lock, showing my new design, illustrated with an enclosure and a locking pin;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof, the locking pin omitted for clarity of illustration;
FIG. 5 is a left-side elevational view thereof;
FIG. 6 is a right-side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an enlarged perspective view of the locking pin thereof, the enclosure omitted for clarity of illustration;
FIG. 10 is a front elevational view of FIG. 9, the rear elevational view being a mirror image thereof;
FIG. 11 is a top plan view of FIG. 9, the bottom plan view being a mirror image thereof;
FIG. 12 is a right-side elevational view of FIG. 9;
FIG. 13 is a left-side elevational view of FIG. 9; and,
FIG. 14 is an exploded perspective view of FIG. 2.
The broken lines showing text in FIGS. 5 and 6 and a puck lock in FIGS. 3-6 and 8 depict environmental matter and form no part of the claimed design.