| 摘要 |
This invention provides a locking device sustaining high pressure in a coffee maker which comprises a brew head assembly which comprises: a slide assembly, a sealing assembly, and a pop-up and roll-back assembly, operatively linked to sustain pressure up to four (4) bars. Additionally, this invention provides a method for one-hand operation of the locking device of a coffee maker comprising steps of: a) Pushing the lever inward, causing the push rod to push the slider inward, engaging the cams and corresponding recesses, or alternatively, the slider will move inward, turning the rotatable locking hooks into their corresponding recesses so the brew head is locked; b) Pulling the lever outward, causing the push rod that is assembled on the slider to pull the slider outward so that the brew head is released; and c) after releasing the lock, the lift platform will pop up, assisted by the lift platform spring and the lid mount will roll-back, assisted by the hinge spring.
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