US 12,251,042 B2Granted

French press plunger assembly

OwnerShuijin Liang, Sterling Enyu Lyang +2inventors

InventorsShuijin Liang, Sterling Enyu Lyang, Zhujuan Yang, Jian Liang

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Abstract

A French press rod assembly configured to be operably engaged with a French press coffee pot wherein the French press rod assembly provides an element to engage therewith to stabilize the French press rod assembly during removal of the filter screen. The French press rod assembly includes a shaft having a first end and a second end. A handle is secured to the first end of the shaft and a filter screen is removably secured to the second end of the shaft. The shaft has surroundably mounted thereto proximate the second end an engagement member. A flow member is rotatably secured to the shaft wherein the flow member is intermediate the second end of the shaft and the engagement member. In a preferred embodiment of the flow member, the flow member is rotatably mounted to the shaft and includes a plurality of blades.

Claims5

Dependent claims

A French press plunger assembly configured to be operably coupled with a French press coffee pot comprising:

a shaft, said shaft having a first end and a second end, said shaft being manufactured from metal;
a handle, said handle being secured to said first end of said shaft;
a filter screen, said filter screen being removably secured to said second end of said shaft, said filter being annular in shape;
an engagement member, said engagement member being immovably secured to said shaft, said engagement member having a central portion, said central portion being surroundably mounted to said shaft, said central portion having a first lateral wing member integrally formed therewith, said first lateral wing member extending outward from said central portion;
a flow member, said flow member being mounted to said shaft, said flow member being between said engagement member and said second end of said shaft, said flow member having a hub, said hub having a plurality of blades extending outward therefrom;
and
wherein said flow member is mounted in a first technique and a second technique.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/464,202Filed 1 Sep 2021 · continuation in part
Priority: 19 Sep 2019
Published: US 2022/0361703 A117 Nov 2022
Granted: 18 Mar 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

A47J 31/20
Apparatus in which ground coffee or tea-leaves are immersed in the hot liquid in the beverage container: having immersible, e.g. rotatable, filters
B01F 27/112
Characterised by the configuration of the stirrers: with arms, paddles, vanes or blades
B01F 27/83
With stirrers rotating about a substantially vertical axis: the stirrers being additionally moved radially, or oscillating about an axis…
B01F 27/906
With paddles or arms: with fixed axis