US Patent 11517501 Vibrating ball assembly with reduced vibration section

A vibrating ball assembly that includes an inner shell that defines an inner shell interior and includes an outer surface, a motor positioned in the inner shell interior, an eccentric weight that is configured to be rotated by the motor, and an outer cover at least partially covering the outer surface of the inner shell. The inner shell includes an upper hemisphere and a lower hemisphere. The outer shell includes a reduced vibration section positioned in the lower hemisphere.