Patent ID: 8720164

Claim:
An apparatus for closing containers, comprising a closing device which applies closures to the containers, wherein the closing device comprises a movable closing head for applying closures to the containers, which is arranged entirely within the interior of a sterile chamber of the apparatus, and wherein the closing head is rotatable movable for screwing closures onto the containers and is also movable in a longitudinal direction of the containers to be closed, said closing device further comprises a drive device for rotatably driving the closing head, arranged outside the sterile chamber, wherein the apparatus comprises a rotatable output shaft driven by the drive device to drive the closing head, wherein the output shaft extends through a boundary wall of the sterile chamber and a housing is provided which surrounds the output shaft, and wherein a channel is provided to conduct a medium out of the housing, and, further comprising an output wheel which is driven by the drive device and which drives a drive wheel that is connected in rotation with the closing head, wherein teeth at least of the drive wheel and/or of the output wheel extend in a longitudinal direction of the container.