Driving device for power swivel seat

A driving device of a power swivel seat, comprising:

• a driving module including a motor;
• and
• a rotating module installed between a floor panel and a seat,
• wherein the rotating module comprises:
• a housing a housing mounted on a side of a floor panel and allowing a brake ring to be coupled thereto;
• a clutch installed to be rotatable on an inside of the brake ring;
• an adapter gear configured to be rotated by the driving module and tooth-engaged with the clutch to rotate the clutch;
• a brake wedge installed to be rotatable on an inside of the brake ring and configured to be rotated by the clutch;
• and
• a plurality of brake rollers installed between the brake wedge and the brake ring and configured to restrict or release a rotation of the brake wedge with respect to the brake ring,
• wherein the driving module comprises:
• a pinion gear connected to a rotational shaft of a motor and configured to receive a rotational force when the motor rotates and to transfer a rotational force to the rotating module, and
• wherein the pinion gear is fixed to the adapter gear and at least a portion thereof is inserted into a pinion guide hole formed on the brake ring.