Fluid dosing unit for soap dispenser has rollers on pinion driven gear disc to press fluid into connection tube in constant quantity controlled by roller spacing

摘要

A fluid dosing unit has a base (10) and cover (20) over a connection tube (24) with stopper between the roller and the inside of the cover so that fluid is pressed into the tube by rollers on shafts on a gear driven from the actuator (12) by a pinion with quantity adjusted by the roller separation.