Vacuum sealing cap
AssigneeFree-Free Industrial Corp.
InventorSheng-Yu Liu
Life of this patent
Estimating the term…
Abstract
A vacuum sealing cap for a container includes an outer cap body, an inner cap body movable toward or away from the outer cap body, a sealing gasket compressible by the outer cap body to abut sealingly against the mouth of the container when the inner cap body moves toward the outer cap body, a slide member connected to the inner cap body, and an operating member connected pivotally to the slide member and pivotable between first and second positions, where the operating member pulls upwardly and pushes downwardly the slide member to move the inner cap body upwardly toward and downwardly away from the outer cap body. The sealing gasket is pressed and is not pressed sealingly against the mouth of the container in the first and second positions, respectively.
Claims7
A vacuum sealing cap for a container, comprising:
- an outer cap body adapted to cover removably a mouth of the container and having a top wall, wherein said outer cap body further includes a skirt portion extending downwardly from said top wall and a first upper limiting member projecting downwardly and annularly from said skirt portion;
- an inner cap body disposed below and movable toward or away from said outer cap body and having a base wall opposite to said top wall of said outer cap body;
- a sealing gasket that is disposed around an outer periphery of said inner cap body and that is compressible by said outer cap body to abut sealingly against the mouth of the container when said inner cap body moves toward said outer cap body;
- a slide member movably extending through said outer cap body and connected to said inner cap body;
- and
- an operating member connected pivotally to said slide member above said top wall of said outer cap body, and being pivotable between a first position, where said operating member pulls upwardly said slide member to move said inner cap body upwardly toward said outer cap body so that said sealing gasket is pressed sealingly against the mouth of the container, and a second position, where a spring element is disposed between the top wall and the base wall, and said operating member pushes downwardly causes said slide member to be pushed downwardly and via the spring element to move said inner cap body away from said outer cap body so that said sealing gasket is not pressed sealingly against the mouth of the container
- wherein said operating member has a transverse bottom end face and two opposite longitudinal side faces, said bottom end face being spaced apart from a pivot point of said operating member at a distance smaller than a distance from said pivot point to either one of said side faces, said bottom end face facing said top wall of said outer cap body when said operating member is in said second position, one of said side faces abutting against said top wall of said outer cap body when said operating member is in said first position;
- and
- wherein said inner cap body has a base wall opposite to said top wall of said outer cap body and is connected to said slide member, and said inner cap body has a lower limiting member extending upwardly and annularly from said base wall and indented inwardly immediately above said base wall to define an annular groove above said base wall, said sealing gasket having an inner section received in said annular groove, and an outer section extending upwardly and inclinedly from said inner section and compressible by said outer cap body to move downwardly and outwardly when said inner cap body moves toward said outer cap body.
Dependencies are inferred from the claim text.