Trailer coupler lock

USD1091400SActive Publication Date: 2025-09-02SHENZHEN XINLAN E-COMMERCE CO LTD

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[0001] FIG. 1 is a perspective view of a trailer coupler lock showing my new design;

[0002] FIG. 2 is another perspective view thereof;

[0003] FIG. 3 is a front view thereof;

[0004] FIG. 4 is a back view thereof;

[0005] FIG. 5 is a left view thereof;

[0006] FIG. 6 is a right view thereof;

[0007] FIG. 7 is a top plan view thereof; and,

[0008] FIG. 8 is bottom plan view thereof.

[0009] The broken lines depict portions of the trailer coupler lock and form no part of the claimed design.

The ornamental design for a trailer coupler lock as shown and described.