US Patent 7152269 Washing device for a car wash unit

The invention relates to a washing device, in particular a wash brush for car wash units, which is rotationally or peripherally positioned and powered. The washing device has several essentially horizontal projecting, bristle type wash elements located at its periphery and several strip-shaped wash elements which are arranged in an alternating fashion. The bristle-shaped wash elements are longer and harder than the strip shaped wash elements. The strip-shaped wash elements can be made of a closed pore foam material or a fiber material. The wash elements can be arranged in an alternating fashion in the peripheral direction and/or the axial direction.