A power transmission device comprising: a first power transmission path for transmitting a driving force of a motor to one driven shaft ; and a second power transmission path for transmitting the driving force of the motor to another driven shaft arranged to face the one driven shaft , wherein at least one of the first power transmission path or the second power transmission path includes: a first intermediate rotor which has an axial center position fixed to an output shaft of the motor and is rotated by the driving force of the motor ; a second intermediate rotor rotated by the first intermediate rotor and moving along an outer circumference of the first intermediate rotor ; and a driving shaft rotated by the second intermediate rotor and transmitting the driving force to the one driven shaft or the another driven shaft , wherein the driving shaft is configured to move in a direction perpendicular to an axial center direction of the driving shaft in accordance with movement of the second intermediate rotor around the first intermediate rotor , characterized in that at least one of the first power transmission path or the second power transmission path includes: at least one pair of first intermediate rotors arranged on one side and the other side across the output shaft of the motor ; and a pair of second intermediate rotors arranged on the one side and the other side across the output shaft of the motor . a first power transmission path for transmitting a driving force of a motor to one driven shaft ; and a second power transmission path for transmitting the driving force of the motor to another driven shaft arranged to face the one driven shaft , wherein at least one of the first power transmission path or the second power transmission path includes: a first intermediate rotor which has an axial center position fixed to an output shaft of the motor and is rotated by the driving force of the motor ; a second intermediate rotor rotated by the first intermediate rotor and moving along an outer circumference of the first intermediate rotor ; and a driving shaft rotated by the second intermediate rotor and transmitting the driving force to the one driven shaft or the another driven shaft , a first intermediate rotor which has an axial center position fixed to an output shaft of the motor and is rotated by the driving force of the motor ; a second intermediate rotor rotated by the first intermediate rotor and moving along an outer circumference of the first intermediate rotor ; and a driving shaft rotated by the second intermediate rotor and transmitting the driving force to the one driven shaft or the another driven shaft , wherein the driving shaft is configured to move in a direction perpendicular to an axial center direction of the driving shaft in accordance with movement of the second intermediate rotor around the first intermediate rotor , characterized in that at least one of the first power transmission path or the second power transmission path includes: at least one pair of first intermediate rotors arranged on one side and the other side across the output shaft of the motor ; and a pair of second intermediate rotors arranged on the one side and the other side across the output shaft of the motor . at least one pair of first intermediate rotors arranged on one side and the other side across the output shaft of the motor ; and a pair of second intermediate rotors arranged on the one side and the other side across the output shaft of the motor . <EOS>