| 摘要 |
<p>A hand held fluid manipulator in the form of a suction device 10 comprises circumferentially enclosed reopenably closable fluid transfer path defining means as constituted from a displaceably mounted tube 14, a flow path defining section 16, a nozzle carrying tube and a chamber 32 defining in combination a reopenably closeable fluid transfer path 20. The device also comprises a handle 22 and a flexible strip 24 that engages with the tube 14 by way of a tube displacer formation 26. The strip 24 is lockable in a fluid transfer path open condition by way of a hook 30. The chamber 32 is open to the tube 14 by way of a set of apertures 34. Opening an closing of the fluid transfer path 20 is regulated by a fluid flow regulating arrangement 36 as constituted by the chamber 32 and the aperture set 34 and blocking of the inner end 14.2 of the tube 14.</p> |
