ELECTRO FLUX Bin Vibrator with unbalance motor drives is economical conveying means for all bulk materials. Compared with other conveying means vibratory feeders have low energy consumption.   The vibration is achieved by the eccentric movement of the out of unbalanced weights mounted on each side of motor, twin motor vibrator drives arranged for counter-rotation, provide linear vibratory action, which conveys the product across the vibrating surface.