| 摘要 |
PROBLEM TO BE SOLVED: To provide a door opening and closing device which can further improve assemblability.SOLUTION: A door opening and closing device comprises: a step panel 17 which is mounted on a vehicle body, is made of a resin and has a lower rail 22 onto which a guide roller of a guide roller unit fixed to a slide door is mounted; and an endless toothed belt 36 which is connected to the guide roller, to which a belt side bracket 37, which constitutes the guide roller unit together with the guide roller, is fixed, and which is hung on plural pulleys. The door opening and closing device is so configured that the slide door is opened and closed by moving the endless toothed belt 36 by an electric driving source, and an engagement 28, which can hold the belt side bracket 37, is formed on the step panel 17. |
