ARM DEVICE FOR A MILKING PARLOR ARRANGEMENT FOR THE AUTOMATIC MILKING OF MILK-PRODUCING ANIMALS, DIVIDER FOR A MILKING PARLOR ARRANGEMENT, AND MILKING PARLOR ARRANGEMENT
An arm device for a milking parlor arrangement for the automatic milking of milk-producing animals comprises an arm and a holder, which is coupled to the arm in a pivotable manner and has a milking cluster, wherein the arm is connected to an arm-drive shaft and is mounted such that it can be rotated about an arm axis, wherein a holder-drive shaft is mounted in the arm-drive shaft such that it can be rotated independently of the arm-drive shaft, wherein the arm-drive shaft and the holder-drive shaft are designed such that they can be coupled to a drive unit, wherein the arm device has at least one transmission element in the form of a pulling means for transmitting rotary or pivoting movements. The at least one transmission element is fixed in each case to respective wheels, with which it interacts in order to transmit rotary or pivoting movements. The invention also relates to a divider for a milking parlor arrangement having said arm device, and to a milking-parlor arrangement.