Abstract: A motor has its rotating shaft fixed by a fixing member so as to be inclined at an angle of ? to the horizontal direction. A supporting member is attached to the rotating shaft of the motor. A plurality of accommodating units are distributed at equal spacing along the circumference, centered on the rotating shaft of the motor, of the supporting member. A pair of peripheral surface members in each of the accommodating units is attached to the fixing member so as to be capable of freely opening and closing by a supporting shaft, and has an approximately square columnar shape in its closed state. An opening at one end of the pair of peripheral surface members having the approximately square columnar shape is opened, and a bottom surface member is arranged on an opening at the other end thereof. Each of the accommodating units is attached to the supporting member such that the supporting shaft is inclined at an angle of ? to the rotating shaft of the motor.

Abstract: A motor has its rotating shaft fixed by a fixing member so as to be inclined at an angle of &thgr; to the horizontal direction. A supporting member is attached to the rotating shaft of the motor. A plurality of accommodating units are distributed at equal spacing along the circumference, centered on the rotating shaft of the motor, of the supporting member. A pair of peripheral surface members in each of the accommodating units is attached to the fixing member so as to be capable of freely opening and closing by a supporting shaft, and has an approximately square columnar shape in its closed state. An opening at one end of the pair of peripheral surface members having the approximately square columnar shape is opened, and a bottom surface member is arranged on an opening at the other end thereof. Each of the accommodating units is attached to the supporting member such that the supporting shaft is inclined at an angle of &agr; to the rotating shaft of the motor.