Patent ID: 8020733
Filing Date: 2011-09-20
Classification: A47K

Abstract:
1. A dispensing system for dispensing cleaning product for hand washing at a faucet, comprising a cartridge having an internal reservoir for containing hand wash cleaning product, and a pump assembly, including a nozzle having a tip through which product exits and configured in one of a plurality of any key shapes, said key shape on said tip comprising at least two different longitudinal keys positioned at different radial locations around a circumference of the nozzle, wherein one longitudinal key extends further along the axial length of the nozzle than the other keys, and starts at said tip to thereby engage the cartridge rotationally with a dispenser before the other keys when the cartridge is axially aligned with a receptacle opening, and wherein the other longitudinal keys start inwardly of said tip; and a dispenser having a block with a receptacle opening adapted to axially receive and engage the nozzle of the cartridge when the receptacle opening is configured in one of a plurality of key shapes corresponding to the key shape of the nozzle, the dispenser having a fluid communication passage for dispensing fluid for hand washing, whereby only cartridges and dispensers which have matched key shapes will engage each other for operative discharge of the hand wash cleaning product.