Vacuum-operated suction cup

Description

FIG. 1 is a bottom plan view of a vacuum-operated suction cup showing my new design;

FIG. 2 is a side elevational view thereof, the opposing left and right sides being the same in appearance as the side shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-section taken on line 4--4 of FIG. 3; and

FIG. 5 is a perspective view from the bottom thereof.