The ornamental design for a staffmember and ribassembly for an umbrella, as shown and described.
FIG. 1 is a perspective view from the bottom and one side of the staff member and rib assembly for an umbrella in accordance with the present invention showing a single pair of ribs;
FIG. 2 is a front elevational view of the staff member and rib assembly;
FIG. 3 is a rear elevational view of the staff member and rib assembly;
FIG. 4 is a left side elevational view of the staff member and rib assembly, the right side elevational view being a mirror image thereof;
FIG. 5 is an elevational view of the staff member and rib assembly taken from a vantage point midway between the front and left side elevational views;
FIG. 6 is a top plan view of the staff member and rib assembly; and,
FIG. 7 is a bottom plan view of the staff member and rib assembly.
In the drawings, the dash-dot-dash broken lines indicate the boundaries of the claim; the evenly spaced broken lines depict unclaimed environment. The broken lines form no part of the claim.