Mechanically actuated detergent dispenser for dishwasher

Abstract From the Canadian patent

Structure is provided for dispensing an additive into a wash chamber of a dishwashing apparatus at a predetermined stage in an operating cycle for the apparatus. A reservoir is provided for a supply of additive. A cover is movable between a closed position, wherein it seals the reservoir and an open position, wherein the reservoir is in communication with the wash chamber. The timer mechanism moves a link through a prescribed path as the dishwashing apparatus cycles and at one stage in the cycle moves the link through a portion of the path in a first direction and at another stage the link retraces the path portion in an opposite direction. As the link moves in the first direction in the …