Patent ID: 8528143

Claim:
An unmanned self-propelled and self-steering device for removing manure present on a floor, comprising a manure slide with a sliding wall that forms a first contact surface for manure present on the floor when viewed in the customary direction of travel of the device, and comprising a drive device for the travelling over the floor, wherein the drive device comprises a rotatingly driven drive that is in driving engagement with the floor during operation and is located in front of the sliding wall, wherein the drive for the device is a single drive, and wherein at least one of: the device is self-steering, and the drive also forms a steering member, the drive being rotatable as a unit about a substantially vertical centre line, and wherein the manure slide forms a manure-accommodating-space that opens in forward direction and is confined in rearward direction by the sliding wall, wherein the drive is located within the accommodation space.