| 主权项 |
1. An apparatus for changing paper rolls in a labelling machine, the apparatus comprising:
a first paper roll receptacle for a first paper roll; a second paper roll receptacle for a second paper roll; and a shaft which can be moved to and fro along an axis; wherein the first paper roll receptacle comprises a first roll carrier connected to a first end of the shaft, wherein the first roll carrier is movable to and fro along the axis between an unwinding position and a transfer position, wherein the first roll carrier has at least one clamping device which is radially displaceable between a clamping position and a release position, having a contact surface which in the clamping position lies radially further outwards than in the release position, wherein the second paper roll receptacle has a second roll carrier which in a storage position is disposed coaxially with respect to the first roll carrier, wherein in the unwinding position of the first roll carrier the first roll carrier together with the at least one clamping device is disposed at least in sections outside the second roll carrier disposed in the storage position, and wherein in the transfer position of the first roll carrier the first roll carrier together with the at least one clamping device is disposed at least in sections in an interior of the second roll carrier disposed in the storage position. |
