| CPC C02F 1/002 (2013.01) [C02F 2201/004 (2013.01); C02F 2201/006 (2013.01); C02F 2307/02 (2013.01)] | 15 Claims |
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1. A liquid filtration device, comprising:
a cup assembly configured to carry an unfiltered liquid, the cup assembly including:
a cup body with a top end open for receiving the unfiltered liquid and a bottom end, and
a cup base configured to be removably coupled with the bottom end of the cup body;
a bottle assembly configured to be plunged into the top end of the cup assembly in a plunging direction and seated within the cup assembly when fully plunged, the bottle assembly including:
a port disposed on a bottom end of the bottle assembly and configured to communicate the unfiltered liquid carried by the cup assembly to an interior of the bottle assembly, and
a filter cartridge coupled with the port, wherein, via the port, the unfiltered liquid is configured to pass through the filter cartridge as the bottle assembly is plunged in the plunging direction such that the filter cartridge filters the unfiltered liquid and discharges a filtered liquid in the interior of the bottle assembly; and
a plunging-assist device configured to apply a compressive force to the bottle assembly and the cup assembly to plunge the bottle assembly in the cup assembly in the plunging direction and including a ring-shaped elastic band, a first handle disposed on a first end of the ring-shaped elastic band and configured to be seated in a corresponding bottle-handle-seat disposed on a top end of the bottle assembly, and a second handle disposed on a second end of the ring-shaped elastic band and configured to be seated in a corresponding cup-handle-seat disposed on the bottom end of the cup base,
wherein, to extract the bottle assembly from the cup assembly, the cup base is configured to be uncoupled from the cup body and the bottle assembly is configured to be moved in the plunging direction past the bottom end of the cup body.
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