A car washing brush is composed of a head, a holding plate, and a handle. The head is held by the holding plate and is provided with the bristles attached thereto securely for bringing about the brushing effect. The handle is fastened pivotally at one end thereof with the holding plate by a...http://www.google.es/patents/US5794302?utm_source=gb-gplus-sharePatente US5794302 - Car washing brush