Bellows pump for a soap dispenser having collapsible pleats

摘要

The pump (45) has bellows locked into a mounting position and a working position by a defined application of force. The bellows are made of plastic or rubber material. The bellows are formed spirally or in stages. A safety device (10) has two side flanges (11) arranged at a distance from each other, where each side flanges comprises a safety nose (12). A semicircular recess (49a) receives a nut (31) on threaded extension (35) of a reservoir (30). A cover (42) is formed as a blanket that is integrally formed with a cylindrical housing.