Patent ID: 7510101

Claim:
A dual liquid dispenser comprising: a pump housing having a first tubular pump chamber and a second tubular pump chamber, the first and second pump chambers being positioned side by side in the pump housing; a pump plunger mounted on the pump housing for reciprocating movement of the pump plunger relative to the pump housing, the pump plunger having first and second pump pistons mounted in the respective first and second pump chambers for reciprocating movements between upward and downward positions of the first and second pump pistons relative to the respective first and second pump chambers to respectively draw liquid into the first and second pump chambers and discharge the liquid from the first and second pump chambers; a manifold cover overlying the pump plunger, the manifold cover comprising a center cylindrical discharge tube and a divider wall dividing the center cylindrical discharge tube into a first passage and a second passage wherein the first passage is in communication with the first pump chamber and the second passage is in communication with the second pump chamber; and, a sleeve extending around the pump plunger, the sleeve being rotatable around the pump plunger between a locked position and an open position.