US Patent 11879221 Snow tiller and method of adjusting the same

A snow tiller for grooming the snow cover of ski slopes comprises: a frame, which comprises at least one front attachment configured to connect the snow tiller to a hitch device of the tracked vehicle; at least one tiller module having a shaft, which is rotatable about an axis of rotation and is provided with a plurality of tools configured to penetrate the snow cover, a hood, which is arranged about the shaft, and is supported by the frame, and an adjusting device, which is configured to adjust the position of the shaft with respect to the hood; and a finisher, having a flexible mat, which is configured to compact the snow cover and to define a support zone of the snow tiller on the snow cover.