| 摘要 |
A closing cap with a self-retracting spout, the cap comprising: a cylindrical cap body having in its top a central keyway diametrically crossing the top and of rectangular section, one end of the keyway being closed off and the cap body having a center opening; a spout having a vertical drive pin, the spout comprising a flow channel and being operable to slide in the central keyway; and a revolving cover having a window, and a specially configured guiding ramp located towards the front of the cover, the ramp cooperating with the drive pin of the spout in the central keyway as the cover is rotated. |
