Patent ID: 9555938
Date: 2017-01-31
CPC Classifications: A47G,B65D

Claim:
1. A cover for a liquid container having a body for holding a liquid and defining a body aperture, said cover comprising: a rigid mobile member connecting all around to a rigid fixed member via a resilient membrane connected thereto, the fixed member being removably mountable on the body adjacent the body aperture and having a lower edge; an inner closing structure mountable proximal the body aperture and fixedly connected to the mobile member, the inner closing structure, by a local application of an inwardly directed force over only a portion of the mobile member, being locally movable from a first configuration for the cover, in which the inner closing structure impedes passage of the liquid through the body aperture, into a second configuration in which a portion of the body aperture is unblocked with a portion of the inner closing structure moving away from the lower edge and the liquid may flow therearound and out of the body aperture for removal from the container, while a remaining portion of the inner closing structure remains into the first configuration, the inner closing structure being spaced from the resilient membrane along the mobile member and being adapted to be inwardly positioned toward the liquid container relative to the resilient membrane with the resilient membrane connecting to the mobile member at a location between the inner closing structure and the mobile member on which the inwardly directed force is applied, the resilient membrane allowing local inward displacement of the portion of the mobile member relative to the fixed member upon the local application of the inwardly directed force and biasing the inner closing structure and the mobile member into the first configuration for the cover.