Patent ID: 7886927

Claim:
A container cover, comprising: a central dome, a peripheral rim portion surrounding the central dome, wherein the central dome extends upwardly from the peripheral rim portion, a skirt extending downwardly from an outer edge of the peripheral rim portion, and a plurality of grippers, each gripper comprising a flange extending downwardly from a lower surface of the peripheral rim portion and terminating at a lower edge of the flange, and at least two spaced-apart gripping fingers extending downwardly from the lower edge of the flange, wherein the skirt and the grippers form a space therebetween for receiving an edge protrusion of a container, each of the fingers has a protrusion extending toward the skirt, the fingers are adapted to provide a gripping force to an edge protrusion of a container received in the space, and the plurality of grippers are spaced from one another around the peripheral rim portion.