Patent ID: 8528464

Claim:
Brewing facility for a coffee machine, comprising a brewing cylinder with a cylindrical bore hole and an upper plunger and a lower plunger by means of which the brewing cylinder is sealed to form a brewing chamber, when the brewing cylinder and the plungers are in a first position, whereby the brewing cylinder and the plungers are held in a frame such that they are movable with respect to each other, and are driven by means of a driving facility, wherein said driving facility comprises a spindle whose ends on either side are supported in the frame such that they can rotate, a catching part that is attached on the brewing cylinder and is provided with a threaded part and, by means of the spindle, is shifted along linear guidances that are attached in the frame, a coffee powder feed facility for filling coffee powder into the brewing chamber, which is provided with a swivel-type funnel, which is moveable against a spring force from a filling position into a swiveled-away position and vice versa, and a stripping element for stripping off the coffee powder cake, which is ejected from the brewing chamber by the lower plunger after the brewing process, into a collecting container, wherein the swivel-type funnel is moveable further from the swiveled-away position to a fully swiveled-out position and in that locking and unlocking means are provided at said fully swiveled-out position of said swivel-type funnel capable of locking or unlocking said swivel-type funnel in said fully swiveled-out position, wherein the locking means are formed by a cam that is attached on the swivel-type funnel and, with the swivel-type funnel being in the fully swiveled-out position, said cam latches onto a recess that is attached on the frame and holds the swivel-type funnel in said fully swiveled-out position.