Brewing device for a household expresso coffee machine

US5526733A · kind A · utility

Assignee

• The Braun Corporation · DE

Inventors

• Manfred Klawuhn · Frankfurt am Main, DE
• Walter Hufnagl · Pocking, DE
• Roland Muller · Weiling, DE
• Gerhard Schafer · Neunkirchen, DE

Key dates

• Filing date: Sep 27, 1994
• Grant date: Jun 18, 1996
• Expiry date: Sep 27, 2014

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A47J31/4464
• WIPO field: Furniture, games
• WIPO sector: Other fields

Abstract

The brewing device is composed of a housing part including a piston, vertically slidable in the housing part. On the housing part, a filter basket holder is mounted which is pivoted horizontally about the tilting axis and is provided with a filter basket to be filled with ground coffee. When the piston is lowered and reaches into the filter basket (i.e., its working position), the filter basket forms with it a pressure chamber, in which the ground coffee is enclosed, into which, on the piston side, hot water under pressure is urged through a conduit, and from which, on the filter basket holder side, the prepared espresso coffee beverage is discharged through at least one outlet opening. When the piston is lifted, the filter basket holder with the filter basket can be swung about a vertically extending tilting axis out of the range of effect of the piston. The tilting range of the filter basket holder reaches from its working position to its feed position, in which the filter basket is accessible from the outside. Only in its working position is the filter basket holder secured in respect of the housing part against movement in a vertical direction by supporting elements provided on…