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We claim the ornamental design for a door lock and operation mechanism, as shown and described.
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FIG. 1 is a front perspective view of a door lock operation mechanism showing our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view of FIG. 1;
FIG. 4 is a front elevational view of FIG. 2;
FIG. 5 is a top plan view thereof, the undisclosed bottom is not part of the claimed design; and,
FIG. 6 is a side elevational view thereof, the opposite side is a mirror image.
The broken lines are included for the purposes of illustration and form no part of the claimed design.
Deng, Sheng Bill, Deng, Sheng Yung
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