A cover for a liquid container having a body for holding a liquid and defining a body aperture has a mobile member connectable to a fixed structure relative to the aperture via a resilient outer membrane connected thereto, and an inner closing structure mountable in the body proximal the aperture an
A cover for a liquid container having a body for holding a liquid and defining a body aperture has a mobile member connectable to a fixed structure relative to the aperture via a resilient outer membrane connected thereto, and an inner closing structure mountable in the body proximal the aperture and connected to the mobile member. The inner closing structure is movable, by application of an inwardly directed force to the mobile member, from a first configuration for the cover, in which the inner closing structure impedes passage of the liquid through the aperture, into a second configuration in which at least a portion of the aperture is unblocked and the liquid may flow therearound and out of the aperture for removal from the container. The membrane biases the inner closing structure and the mobile member into the first configuration for the cover.
대표청구항▼
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 th
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. 2. The cover of claim 1, wherein the resilient membrane connects to the mobile member and to the fixed member, and extends therebetween for local axial movement of the portion of the mobile member relative to the fixed member. 3. The cover of claim 1, further including a locking mechanism to selectively and rotatably lock the cover into the first configuration and prevent displacement of the mobile member relative to the fixed member, the locking mechanism connecting to both the mobile member and the fixed member. 4. The cover of claim 3, wherein: the fixed member is frictionally engageable within the body aperture and the mobile member is insertable within the fixed member and attached to the inner closing structure;the inner closing structure includes a lower wall extending radially therefrom, a circumferential channel being formed within said lower wall;relatively upper and lower parallel ridges extend outwardly and circumferentially of the lower wall defining the channel;a plurality of fingers is provided with finger lips for slidable engagement within the channel, the fingers depending axially from an upper top wall of the mobile member;the upper top wall is rotatable in use relative to the lower wall and has an inner ring adapted to sit on the lower wall being spaced therefrom through the agency of a plurality of circumferentially spaced ring connectors defining circumferential openings therebetween. 5. The cover of claim 4, wherein the lower wall and the ridges forming the channel are radially inwardly spaced from a lower cover wall of the fixed member and also from the upper top wall of the inner closing structure, whereby in use when the cover is in the second configuration liquid flow can occur through the space, between the fingers and through the circumferential openings and thence outwardly therefrom. 6. The cover of claim 5, further including a top outer lip provided on the upper wall and protrudes radially outwardly therefrom, a cover lip is provided atop the fixed member, and the resilient membrane depends from the outer lip and contacts the cover lip. 7. The cover of claim 6, wherein the cover lip includes a step formed therein, said step being adapted in use to receive and constrain the resilient membrane when the cover is in the second configuration. 8. The cover of claim 7, wherein the lower wall of the inner closing structure is provided with an axially extending tab channel adjacent the relatively upper ridges, the tabs of the locking mechanism being associated with the finger lips of the fingers on the mobile member and each tab being dimensioned for engagement with said tab channel. 9. The cover of claim 8, further including stops provided in the tab channel, the lip of each finger being adapted to abut said stop in register with tab channel to lock the cover in the first configuration. 10. The cover of claim 9, further including a safety vent hole is provided in the lower wall of the inner closing structure in register with a lip of one of the fingers when in the locking mode. 11. A cover for a liquid container having a body for holding a liquid and defining a body aperture, the cover comprising: a cover body comprising means for retaining the cover onto the container and a rigid fixed cover member defining cover aperture with circumferential openings, the fixed cover member having a bottom peripheral surface defining a lower edge;a rigid mobile member having only a portion on which a user can locally apply pressure;an inner closing structure fixedly connecting to the mobile member, a portion of the inner closing structure being locally movable from a first configuration wherein the cover aperture is closed to prevent discharge of the liquid contained in the container through the circumferential openings to a second configuration wherein the cover aperture is locally open to allow discharge of the liquid through the circumferential openings, while a remaining portion of the inner closing structure remains in the first configuration; anda resilient membrane mounted on the mobile member and defining a diaphragm between the fixed cover member and the mobile member, the mobile member being responsive to the pressure of the user such that the inner closing structure is locally movable from the first configuration, wherein the inner closing structure abuts against the lower edge for impeding passage of the liquid through the cover aperture and the resilient membrane biases the inner closing structure against the cover aperture when the pressure is no longer applied on the portion of the mobile member, to the second configuration, wherein the resilient membrane allows local displacement of a portion of the inner closing structure relative to the lower edge upon local application of the pressure on the portion of the mobile member and the portion of the inner closing structure no longer abuts against the lower edge for locally allowing passage of the liquid in the cover aperture. 12. The cover of claim 11, further comprising a locking mechanism having an actuator that is rotatable between a first position, wherein the inner closing structure is movable between the first and second configurations, and a second position, wherein the inner closing structure is locked and movement of the inner closing structure is prevented when pressure is applied on the mobile member. 13. The cover of claim 11, wherein the cover body, mobile member and inner closing structure comprise a central longitudinal axis and wherein the inner closing structure moves in translation between the first and second configurations when the user applies pressure along the central longitudinal axis. 14. A cover for a liquid container having a body for holding a liquid and defining a body aperture, the cover comprising: a cover body comprising means for retaining the cover onto the container and a rigid fixed cover member comprising (i) a cover aperture with circumferential openings and (ii) a bottom peripheral surface defining a lower edge;a rigid mobile member having only a portion on which a user can locally apply pressure;an inner closing structure fixedly connected to the mobile member, a portion of the inner closing structure being locally movable from a first configuration wherein the cover aperture is closed to prevent discharge of the liquid contained in the container through the circumferential openings to a second configuration wherein the cover aperture is locally open to allow discharge of the liquid through the circumferential openings, while a remaining portion of the inner closing structure remains in the first configuration; anda resilient membrane mounted on the mobile member and defining a diaphragm between the fixed cover member and the mobile member;wherein the mobile member is responsive to the pressure of the user such that the portion of the inner closing structure is movable from the first configuration, in which the inner closing structure abuts against the lower edge for impeding passage of the liquid through the cover aperture and the resilient membrane biases the inner closing structure against the lower edge when the pressure is no longer applied on the portion of the mobile member, to the second configuration, in which the resilient membrane allows local displacement of the portion of the inner closing structure relative to the lower edge upon local application of the pressure on the portion on the mobile member and the portion of the inner closing structure no longer abuts against the lower edge for locally allowing passage of the liquid in the cover aperture. 15. The cover of claim 14, further comprising a locking mechanism having an actuator that is rotatable between a first position, wherein the inner closing structure is movable between the first and second configurations, and a second position, wherein the inner closing structure is locked and movement of the inner closing structure is prevented when pressure is applied on the mobile member.
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이 특허에 인용된 특허 (13)
Smith,Robert J.; Stebick,Matthew E., Anti-leak dust cover and closure used therewith.
Hsieh Chien-Hsing (No. 111 ; Kuang Chou 2nd Street Tainan TWX) Hsiao Chung-Liang (3F ; No. 60 ; Shu Lin Street ; Sec. 2 Tainan TWX), Container with a self-contained evacuation lid.
Payne Larry E. (3224 Wesley Chapel Rd. Decatur GA 30034) Lancaster ; Jr. Kenneth D. (965-C Clubhouse Cir. ; W. Decatur GA 30034), Liquid container lid.
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