Attachment for a tea kettle

Abstract

An attachment (2a; 2b) for a solvent container (3) for the time-controlled preparation of an extraction beverage comprises a base plate (500) for being mounted largely horizontally on the solvent container (3). The base plate (500) has an aperture (511) for an extraction product container (200) to pass through, and also a lifting apparatus which comprises a sleeve (400) on which the extraction product container (200) is held in such a way that it projects beyond the sleeve (400) at a lower end and can be filled with an extraction product through an upper opening in the sleeve (400). The lifting apparatus has a guide apparatus which is fixed to the base plate and on which the sleeve (400) is guided such that it can move in a direction largely perpendicular to the base plate in the sense of a linear guide (405, 515) between a lower and an upper position. In this case, the lower position defines a brewing position of the sleeve (400), in which position the extraction product container (200) is lowered, and the upper position defines an inoperative position in which the extraction product container (200) is raised in relation to the brewing position. The lifting apparatus also has a locking apparatus for locking the sleeve (400) in the brewing position. A timer (300) is also provided, said timer being designed for operating the locking apparatus in such a way that after a predefinable time period has elapsed, the sleeve (400) is unlocked when it is locked in the brewing position. The sleeve (400) is acted on by a restoring force along the linear guide (405, 515) in the brewing position, said restoring force restoring said sleeve from the brewing position to the inoperative position when the sleeve (400) is unlocked.

Description

technical field [0001] The invention relates to a cap (Aufsatz) for a solvent container (Loesemittelbehaelter) for preparing extraction beverages (Extraktionsgetraenk), in particular for brewing tea, in a time-controlled manner, with a bottom plate for placing on the opening of the solvent container, In this case, the bottom plate has recesses (Durchbruch) for the passage of the extract container, and there is a lifting device, which comprises a sleeve, on which the extract container is fixed in such a way that it protrudes beyond the sleeve at the lower end and can The opening through the upper part of the sleeve is filled with extract, wherein the lifting device has a guide fixed on the base plate, at which point the lower part in the sense of a linear guide in a direction substantially perpendicular to the base plate The sleeve is movably guided between the position of the lower part and the position of the upper part, wherein the position of the lower part defines the brew...

AI Technical Summary

Problems solved by technology

Document DE 198 39 421 A1 (Gerber Jens Joerg) thus provides a tea filter which is convenient to fill, but has a relatively complicated construction of the lifting device due to the helical groove

Furthermore, due to the greater frictional losses in the threaded sleeve, a powerful and thus complex spring mechanism should be provided

Also because the threaded sleeve is susceptible to contamination by tea leaves, whereby the device can become clogged and thus always work unreliably

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