US Patent 7503715 Soap dispensing attachment for hand-held appliance

The hand-held appliance includes an elongated handle connected to a head assembly. The head assembly has a motor-driven rotatable output shaft. The appliance is designed for use with a detachable cleansing unit that includes a housing. A fluid reservoir is situated within the housing. The cleansing unit is detachably connected to the output shaft. The unit also includes cleansing means. The fluid reservoir is connected to the cleansing means by a port such that fluid from the reservoir is dispensed from the cleansing means as the unit is rotated. The effective size of the port can be regulated to control the amount of fluid dispensed.