Filter vessel having a drip lock for a coffee or tea maker

Details Filter vessel having a drip lock for a coffee or tea maker Filter vessel having a drip lock for a coffee or tea maker

1991-02-15

1992-04-07

Dawson, Robert A.

Liquid purification or separation

Filter

Portable receptacle draining type

210470, 210474, 210482, 2104973, 99289D, B01D 29085

Patent

active

051025469

ABSTRACT:
A filter vessel has a beverage outlet and a closing device movable between closed and open positions in which a plug blocks and, respectivley, frees the outlet. The closing device has an operating member pivotally secured to the filter holder for movement toward and away from the outlet; and a leg disposed below the outlet and carrying the plug. The leg has a resilient end portion supported on the operating member, while an opposite end of the leg is pivotally secured to the operating member so that the leg may move relative to the operating member towards and away from the outlet. There is further provided an abutment member disposed on the filter holder and being in engagement with the leg at a location between the plug and the pivotal end of the leg. Thus, an external pressing force exerted on the actuating component and directed toward the abutment member causes a pivotal motion of the operating member and a pivotal motion of the leg away from the outlet and relative to the operating member against the closing force of the resilient portion to move the plug into the open position.

REFERENCES:
patent: 892000 (1908-06-01), MacKaskie
patent: 1066788 (1913-07-01), Bowen
patent: 1073081 (1913-09-01), Jacobson
patent: 4895656 (1990-01-01), Smit
patent: 4957632 (1990-09-01), Backstiegel et al.

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