In a coffee automat, a vertically adjustable and lockable outflow unit (3), which comprises at least one coffee outflow tube (6) in fluid-conductive connection with a coffee brewing device is continuously height-adjustable relative to a cup base and can be locked by a locking means. In order to easily and smoothly adjust, in a coffee automat rationally to be manufactured, the outflow unit (3) with the locking means released, the outflow unit (3) is supported on housing (1) by means of a longitudinal ball bearing (12) as a first bearing element, which embraces a vertical longitudinal ball bearing shaft (13) as a second bearing element. One of the two bearing elements is connected with outflow unit (3) and the other of the two bearing elements is in solid connection with a housing (1) of the coffee automat.