Patent ID: 6825424
Filing Date: 2004-11-30
Classification: G01G

Abstract:
A combination weighing apparatus which comprises:a plurality of hoppers each having a gate, each of said hoppers being capable of accommodating an article and discharging the article therefrom upon opening of the respective gate; a drive device for selectively opening and closing the gate and maintaining the gate in an opened position when in a conducting state; and a control device for controlling the drive device and having a weighing mode, in which the gates of the hoppers selected for combination are opened to combine the respective articles, and a discharge mode in which the articles within the hoppers are discharged while the gates are maintained in the opened position; wherein when during the discharge mode a condition of at least one of the drive device, an electric power supplying device for supplying an electric power to the drive device and the gate reaches a setting level, said control device drives the drive device to control the gate to close.