| 摘要 |
A fluid dispensing device for use with a fluid reservoir having a cup having a bottom wall and a top wall, the top wall including an orifice to permit remo val of fluid from the cup and with the top wall having a threaded axial opening, the bott om wall being coupled to a conduit adapted for communication with fluid in a reservo ir; and a column rotatably positioned in the axial opening and extending therefrom int o and out of the cup, the column including an orifice positioned in the cup, the colum n including a threaded portion being cooperative with the threaded axial opening such th at the position of the column orifice in the cup can be varied through a vertical r ange of movement by rotation of the column, and the column further including a tubul ar portion being in fluid communication with the column orifice and with the conduit an d movable relative to the conduit while substantially maintaining a seal therebetween throughout the vertical range of movement of the orifice in the cup.
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