| 摘要 |
A sandglass assembly comprises a seat having a stand shaft; a bottle being a transparent body and containing with sands; two symmetrical receiving grooves being formed within the bottle for receiving sands; a sand hole being formed between the two symmetrical receiving grooves for communicating the two receiving grooves; a predetermined amount of sands can pass through the sand hole; a frame for retaining the bottle; and the two receiving grooves are viewed clearly; a connecting unit installed between the shaft and the frame; and the connecting unit being liftable, descendable and rotatable along the shaft; the frame being rotatable along the connecting unit so that the bottle retained to the frame is turnable. The height and orientation of the bottle with respect to the shaft is adjustable. Furthermore, the bottle is turnable easily and the flow direction of the sands in the bottle can be seen easily.
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