Patent ID: 7252035

Claim:
A coffee maker comprising: a housing including a water reservoir, a heating device for heating water in the water reservoir, and a pump; and a brewing assembly comprising: an annular member in an upper front side of the housing and including a hingedly connected cover, a central channel, a side bottom rail, and a pair of bores at both sides; a movable cylindrical member under the annular member and including a top riser section having a plurality of first holes and a plurality of apertures, a plurality of L-shaped positioning members fastened in the plurality of apertures and each having a downward bar inserted through one of the pair of bores of the annular member, and a plurality of peripheral curved slides; an annular rotation member sleeved on an upper portion of the movable cylindrical member and including a plurality of equally spaced projections on an inner surface, the projections being adapted to be embedded in the plurality of peripheral curved slides, and a handle provided on an outer surface, the handle being moved leftwardly or rightwardly to rise or lower the movable cylindrical member by the co-action of the plurality of projections and the plurality of peripheral curved slides; a clamping member including a plurality of upper posts equally spaced around a top periphery with springs put thereon, the upper posts being inserted into the plurality of first holes, a plurality of walls equally spaced around the top periphery with each post disposed between two adjacent walls, the walls being engaged with the top riser section, and a central inflow opening in fluid communication with the pump; a holder including a central cavity, an overflow orifice proximate the annular member for receiving coffee bags and a bottom outflow opening on a center of the central cavity; and a funnel-shaped member adapted to slide along the bottom rail for positioning and including a bottom outlet opening and a front tongue.