| 摘要 |
PROBLEM TO BE SOLVED: To stably and uniformly perform fall feed of weighed materials, from a tank to respective troughs as a combination weighing instrument, having a plurality of feed troughs, disposed beneath the tank of a rectangular frame shape. SOLUTION: A pair of support members 9 are parallel installed on a substrate 6 of a frame of this combinational weighing instrument 1, while two rollers 11 are turnably attached to each of the support members 9. A guide member 12 is attached to each of two side surfaces corresponding to lengths of the tank 2, while the guide members 12 are mounted on the rollers 11. If the tank 2 is reciprocatively vibrated lengthwise, by driving a vibrator 13 fixed to the frame side and also linked to a side surface of the tank 2 on the width side, the weighed material in the tank 2 becomes distributed uniformly, bridge is eliminated, and the weighed material is supplied uniformly to beneath the respective troughs 4. COPYRIGHT: (C)2008,JPO&INPIT
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