Roller ball for conveyance

Description

FIG. 1 is a front, right, top perspective view of a roller ball for conveyance, showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being the same;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof, the left side elevational view being the same; and,

FIG. 6 is an enlarged cross-sectional view taken along line 6-6 in FIG. 3.

The dashed broken lines show portions of the roller ball for conveyance that form no part of the claimed design. The dot-dash broken lines define the bounds of the claimed design and form no part thereof.

Claims

I claim the ornamental design for a roller ball for conveyance, as shown and described.