Abstract: A circular vibratory conveying apparatus for conveying material. The apparatus includes a bed on which material is conveyed, a counterbalance supported on a plurality of isolation springs, a plurality of inclined drive springs extending between the bed and the counterbalance, and a plurality of stabilizers for controlling movement of the drive springs along their central axes. Three or more vibratory motors, each having rotatable eccentric weights, are attached to the counterbalance. The eccentric weights rotate in phase with one another to rotationally vibrate the bed at a vibration frequency.