| 摘要 |
PURPOSE: To make a sucking tube simple and convenient for assembling by winding a bar spring around a guiding body within a circular space and connecting a pushing body with a folding handle which pierces through a wall of a terminal enlarged part in a movable mode with each other. CONSTITUTION: A bar spring 19 is engaged with an engaging groove 7 of a sliding handle 8 and an engaging groove 9 of a pushing body 30. The bar spring 19, the sliding handle 2, the pushing body 30 and a guiding body 16 are put together to form a pre-manufactured assembling unit, which is engaged rapidly with an inner tube 12 immediately after insertion of a roller engaging body 35 into an engaging chip 17. An enlarged part 13 of an outer tube 11 is pushed via the assembling unit to a circular stopper 39 of the guiding body side and an engaging aperture of a handle body 31 is engaged on an engaging projection 40 of the sliding handle 28. If the sliding handle 28 is moved from an engaged position in an arrow direction a, a range of area facing on a diameter is moved in an arrow direction b, so that the sliding handle 28 and the pushing body 30 take an engaging release position against a returning force of the bar spring 19. |
