FIG. 1 is a front and right side perspective view of a first embodiment of our trigger pump showing said pump adapted for spraying;

FIG. 2 is a bottom and right side perspective view thereof;

FIG. 3 is a rear and right side perspective view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a rear view thereof; and

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front and right side perspective view of a second embodiment of our trigger pump showing said pump adapted for foaming;

FIG. 10 is a bottom and right side perspective view thereof;

FIG. 11 is a rear and right side perspective view thereof;

FIG. 12 is a right side elevational view thereof, the left side being a mirror image;

FIG. 13 is a front elevational view thereof;

FIG. 14 is a top plan view thereof;

FIG. 15 is a rear view thereof; and,

FIG. 16 is a bottom plan view thereof.

The broken line showing in FIGS. 8 and 16 of interior elements of the trigger pump are for illustrative purposes only and form no part of the claimed design.