A surface treating appliance, such as a vacuum cleaner, includes a main body, a surface treating head and a support assembly. The support assembly is rollably mounted to the main body for allowing the main body to be rolled along a surface. The support assembly also houses a component of the appliance,...http://www.google.es/patents/US20050235454?utm_source=gb-gplus-sharePatente US20050235454 - Surface treating appliance
Número de solicitud: 10/522,339 Número de publicación: US 2005/0235454 A1 Fecha de presentación: 18 Jul 2003 Patente emitida: US7610653 ( Fecha de emisión 3 Nov 2009)
