Patent ID: 7444924

Claim:
Coffee-maker able to function with cartridges, comprising a case ( 1 ) for reception of means for supplying hot water to an infusion head ( 8 ) in two parts: a fixed part forming a support for at least one cartridge ( 2 ) and a movable part to open and close said infusion head ( 8 ), the two parts being maintained spaced apart by first elastic restoring means ( 14 ), a locking device ( 24 ) to maintain the infusion head ( 8 ) closed in opposition to said restoring means, means for adjusting the infusion parameters representative of the operating condition of the machine, and a sensor for measuring the quantity of water supplied to the infusion head, said sensor being adapted to emit at least one signal in response to measurement by said sensor of the supply of a predetermined quantity of water to the infusion head, wherein, in operation, the locking device is blocked in a manner to prevent opening of the movable part of the infusion head and said coffee-maker further comprises means for controlling the opening of said locking device in response to the at least one signal emitted by said sensor.