Door opening and closing apparatus for vehicle

A door opening and closing apparatus for a vehicle, comprising:

• a single support shaft of which opposed ends are supported by a support member;
• a transmission gear within which the support shaft is inserted to be positioned and which is configured to be driven to rotate by a motor;
• a pulley configured to open and close a vehicle door by moving a rope member with a rotation of the pulley around an axis of the support shaft;
• an output member configured to bring a door lock to a holding state in which the vehicle door is held or a release state in which the holding of the vehicle door is released with a rotation of the output member around the axis of the support shaft;
• a first clutch within which the support shaft is inserted to be positioned, the first clutch selectively permitting and prohibiting a rotation transmission between the transmission gear and the pulley;
• and
• a second clutch within which the support shaft is inserted to be positioned, the second clutch selectively permitting and prohibiting a rotation transmission between the transmission gear and the output member.