Patent attributes
Described is a feed mixer comprising a mixing container for receiving feed, at least one mixing tool rotatingly arranged in the mixing container, a drive mechanism for driving the mixing tool, an automatically shiftable transmission which is connected to the drive mechanism and has a low shifting stage for a first speed and at least one higher shifting stage for a second speed, the second speed being higher than the first speed, a control mechanism for shifting the transmission, a mechanism for detecting the weight of the feed to be mixed, and a mechanism for comparing the detected weight with a predetermined limit value for at least the higher shifting stage, which is connected to the control mechanism such that a driving of the mixing tool via the higher shifting stage is only possible if the detected weight does not exceed the limit weight.
