Beverage brewing unit particularly for machines for preparing beverages from capsules

The invention relates to a beverage brewing unit (1) particularly for machines for preparing beverages from capsules, comprising: -a casing (8), -a capsule enclosing assembly comprising a first enclosing part (2) connected to the casing and a second enclosing part(3), moveable relative to the first enclosing part in a longitudinal direction, preferably in a translatory movement,between a capsule insertion position in which the two enclosing parts are at distance from each other and a capsule enclosing position in which the capsule is enclosed between the first and second enclosing parts(2,3), -a capsule insertion assembly (32) comprising a pair of jaws (33, 34) arranged for guiding the capsule (4) towards the intermediate insertion position and holding it in said position; -wherein the jaws (33, 34) are moveable between a capsule holding position and a capsule release position; wherein the jaws (33, 34) are driven from the capsule release position to the capsule holding position by first actuation means (47) and from the capsule holding position to the capsule release position by second actuation means (52)and; wherein the first and second actuation means (47, 52) are arranged at longitudinal distance one another along the direction of longitudinal axis (I) for the relative movement of the two enclosing parts (2, 3).