A washing machine is disclosed. A washing machine includes a case, a tub mounted in the case to hold wash water, a hanger provided in a front upper portion of the tub to hang laundry thereon, and a driving unit to reciprocate the hanger with the laundry in a predetermined direction within the tub. According...http://www.google.fr/patents/US20090113944?utm_source=gb-gplus-shareBrevet US20090113944 - WASHING MACHINE
