Patent ID: 9579677
Date: 2017-02-28
CPC Classifications: B05B

Claim:
1. A flushing pump assembly comprising: a first pump, the first pump comprising a first piston; a second pump, the second pump comprising a second piston; and an actuator comprising an external leaf spring operatively associated with the first piston; and wherein the assembly provides for at least a first position, a second position, and a third position; wherein in the first position, the first piston and the second piston are inoperative; wherein during the transition from the first position to the second position, both the first piston and the second piston are operative; wherein in the second position, the first piston is inoperative and the second piston is operative; wherein during third position, the first piston and the second piston are inoperative; and wherein the assembly provides for a flushing volume during the transition from the second position to the third position.