Device for exhausting air and moisture from a container
OwnerHok K. Tsoiinventor
Life of this patent
Estimating the term…
Abstract
A device for exhausting air and moisture from a container is disposed in a receiving recess of a container lid. The device comprises a braking member provided on the top thereof with a pressing body and at the bottom with a retaining body engageable with an airtight cushion. The braking member is further provided at the bottom thereof with a columnar body extending through a through hole of the receiving recess to fasten with a locating block, so as to enable the airtight cushion to become attached to the through hole of the receiving recess. The device is capable of working with an air pump or a rotatable air pump set to create a vacuum in the container.
Claims3
A device for exhausting air and moisture from a container which comprises a lid provided with a receiving recess having a slot dimensioned to receive therein said device;
- wherein said device comprises:
- a braking member disposed in said receiving recess such that said braking member is not is contact with a peripheral wall of said receiving recess, said braking member provided integrally on a top thereof with a pressing body and on a bottom thereof with a retaining body having centrally on a bottom thereof a flat surface and having peripherally a bevel, said retaining body further having centrally on said bottom thereof a columnar body passing through a through hole located centrally in a bottom of said receiving recess;
- an airtight cushion of an elastic material and provided centrally with a longitudinal through hole, said airtight cushion further provided therein with a retaining space enabling said columnar body to be inserted into said airtight cushion from a top of said airtight cushion such that said columnar body is emerged from a bottom of said airtight cushion, and that said retaining body of said braking member is fitted into said retaining space of said airtight cushion, and further that said top of said airtight cushion is located between said pressing body of said braking member and said retaining body of said braking member, said airtight cushion provided centrally on a bottom surface thereof with a flat surface and further provided peripherally with a bevel, said flat surface of said airtight cushion being greater in size than said through hole of said receiving recess;
- and
- a locating block provided in a top thereof with a plurality of ventilation grooves opposite in location to said bottom surface of said airtight cushion, said locating block being fastened to said columnar body of said braking member so as to locate said device in said receiving recess in such a manner that said device can be caused to move up and down and that said device can be joined with an air pump or a rotatable air pump set so as to bring about an action of exhausting air and moisture from said container.
Dependencies are inferred from the claim text.