| 摘要 |
Pump for liquid wherein the diffuser element (6), the filter (6a) and the inlet opening (5) form a diffuser/filter unit (16) releasably mounted from the body (2) by fitting means (11, 12) easily releasable without having the use of tools. The fitting means include a plurality of projections (17) and recesses (19) spaced along the circumference of the pump body (2) and of the diffuser/filter (16) which can be reciprocally engaged with each other following rotation of them. A closure lid (20) may be provided for (20) which can be releasably mounted on the diffuser/filter (16) by second fitting means, which preferably include a plurality of second projections (24) and second recesses (25) spaced along the circumference of the diffuser/filter (16) and on the lid (20) which can be reciprocally engaged with each other following rotation of these parts. <IMAGE> |
