| 摘要 |
The utensil comprises a tubular body and a guide post datachably fitted to one end of the tubular body. A cap is rotatably secured to a body. First and second sliders are axially slidable on the guide post and first and second refills are attached to the first and second sliders, respectively. Cam surfaces are provided on the sliders and a cam engaging projection is provided on the cap. In use, when the cap is rotated, the cam surface of one or other of the sliders can engage with the cam engaging projection for a corresp. refill to be projected or retracted. |
