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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||099/302.R; 099/295; 099/289.R|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 32|
This invention pertains to a brewing head assembly of a coffee machine that enables easy insertion and removal of the filter as well as locking of the filter and the filter holder into the brewing head to form a water-tight seal under pressure. The filter holder can be inserted into the brewing head assembly by sliding the filter holder into the brewing head assembly from the front, top, or side or by swinging the filter holder, which may be pivotally-attached to the brewing head assembly, into the coffee machine. The locking mechanism for inserting and ...
We claim: 1. A brewing head of a coffee machine, comprising: (a) a rotate-to-lock assembly, which comprises a handle having two ends, wherein each end of said handle is movably-joined to one end of a rotate plate, rotate rod, and top frame by a fixed pin; wherein a portion of a back connection plate is fixedly-attached to the side of said top frame and the other portion of said back connection plate is movably-joined to a support base; wherein one end of a front connection plate is movably-joined to the other end of said rotate plate, and the other end ...