|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||099/287; 099/289R; 099/302R|
|§371/§102 date||20100809 (20100809)|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 1|
A brewing device (1) for a coffee machine comprises a brewing cylinder (6) with a cylindrical hole and two pistons (3, 4) by means of which the brewing cylinder (6) can be closed off in order to form a brewing chamber (12). The brewing cylinder (6) and the pistons (3 and 4) are held in a frame (2), in a way displaceable relative to one another, and are drivable via a drive device (9, 10). This drive device (9, 10) comprises a spindle (9), the two ends of which are designed as bearing pins (25), and are mounted such that they are rotatable in a sliding wa...
1. A brewing device for a coffee machine, comprising a brewing cylinder with a cylindrical bore and two pistons, by means of which pistons the brewing cylinder is able to be closed off to form a brewing chamber, the brewing cylinder and the pistons being held in a frame in a way displaceable relative to one another and being drivable via a drive device, which drive device comprises a spindle, both ends of which are designed as bearing pins and are rotatable borne in a sliding way in bearing rings installed in the frame, a coffee powder supply device for ...