| 摘要 |
<p>The invention relates to a single-use pumping casing (A) provided with an inlet duct (6), a discharge duct (7) and a alternating-movement pumping member (1a), a driving mechanism including a member (4) for driving the pumping member (1a) in at least one of the alternating movements thereof. The driving mechanism is housed in a holder housing (B) having a wall with a retaining rail (19) for engaging sliding members of the pumping casing (A), the housing further including a passage opening (21) for the driving member (4), an abutment means (20) for determining the position of the pumping casing (A) along the retaining rail (19) and for placing the pumping member (1a) into a drive relation with the driving member (4), and a removable attachment means (19, 20) for attaching said pumping casing (A) in said determined position along the retaining rail (19).</p> |
