The ornamental design for a rollerpump, as shown and described.
FIG. 1 is an oblique perspective view of the roller pump of this disclosure.
FIG. 2 is a rear view of the roller pump of this disclosure.
FIG. 3 is a front view of the roller pump of this disclosure.
FIG. 4 is a side view of the right-hand side of the roller pump of this disclosure.
FIG. 5 is a side view of the left-hand side of the roller pump of this disclosure.
FIG. 6 is a plan view of the roller pump of this disclosure.
FIG. 7 is a bottom view of the roller pump of this disclosure.
FIG. 8 is an oblique perspective view of another roller pump embodiment of this disclosure.
FIG. 9 is a rear view of the roller pump of the embodiment of FIG. 8.
FIG. 10 is a front view of the roller pump of the embodiment of FIG. 8.
FIG. 11 is a side view of the right-hand side of the roller pump of the embodiment of FIG. 8.
FIG. 12 is a side view of the left-hand side of the roller pump of the embodiment of FIG. 8.
FIG. 13 is a plan view of the roller pump of the embodiment of FIG. 8; and,
FIG. 14 is a bottom view of the roller pump of the embodiment of FIG. 8.
The broken line showing of edges and a fitting is included for the purpose of illustrating environmental matter and forms no part of the claimed design.