Patent ID: 7267662

Claim:
In a breast pump having an attachment releasably applied to an opening of a container and having a breast attachment element and a manual pump unit which is releasably connected to the attachment by a connecting sleeve or a connecting bore having a cap-shaped connecting section, and a pump piston which can be moved back and forth in a stroke chamber with an actuating handle, which is pivotable and has a retracting mechanism, the improvement comprising: the cap-shaped connecting section and the stroke chamber combined in a mutual cap element, which is fixed on the attachment by a retaining means having a snap-in element snapped together with the attachment when the cap element is coupled to the attachment, and the retracting mechanism having one side acting on the actuating handle and seated with an other side on the cap element, wherein seating elements are arranged on both lateral sections of the cap element and on both lateral sections of the actuating handle which in a form of a separable bearing pin/bearing eye connection form a pivot axis between the actuating handle and the cap element.