Infusion maker

An infusion maker comprising:

• a beaker having an inside annular flange raised around an inside wall thereof;
• an inner cup adapted for supported on the inside annular flange of said beaker for containing boiling water for steeping tea, said inner cup comprising a top open side, a bottom close side, a bottom center through hole through the center of said bottom close side, a downward annular flange downwardly raised from the periphery of said bottom close side, and a plurality of equiangularly spaced oblong slots at said downward annular flange;
• a cap mounted within the downward annular flange of said inner cup, said cap comprising an inner race, an outer race concentrically spaced around said inner race, a plurality of radial ribs connected between said inner race and said outer race, a ball socket suspended within said inner race, and a plurality of equiangularly spaced hooks raised from said outer race and hooked in the oblong slots of the downward annular flange of said inner cup to secure said cap to said inner cup and to let said cap to be moved axially relative to said inner cup within the constraint of the oblong slots of said inner cup;
• and
• a ball mounted in the ball-socket of said cap to close/open the bottom center through hole of said inner cup, said ball being forced into engagement with the bottom center through hole of said inner cup to close its passage when said inner cup with said cap are put in said beaker and supported on the inside annular flange of said beaker, said ball being disengaged from the bottom center through hole of said inner cup to open its passage when said inner cup is lifted from the inside annular flange of said beaker.