DOOR OPENING AND CLOSING APPARATUS

摘要

A door opening and closing apparatus includes a rail module including: a rail member extending along a front-and-rear direction; a drive device mounted on the rail member; and a supporting member coupled to a closing cable a part of which is wound around the rotating drum and that is hung on a closing inversion member and an opening cable a part of which is wound around the rotating drum and that is hung on an opening inversion member. The rail module is provided with the drive device fastened to an outside of a vehicle body such that a part of the drive device goes inside the vehicle body through an opening provided on the vehicle body. An outer diameter of the rotating drum of the drive device is made smaller than a maximum diameter of a deceleration mechanism for making the rotating drum rotate forward and backward.

主权项

1. A door opening and closing apparatus comprising
a rail module including:
a rail member extending along a front-and-rear direction;a drive device mounted on the rail member; anda supporting member coupled to:
a closing cable a part of which is wound around the rotating drum and that is hung on a closing inversion member provided on one end portion of the rail member; andan opening cable a part of which is wound around the rotating drum and that is hung on an opening inversion member provided on the other end portion of the rail member so that the supporting member is movable along an extending direction of the rail member by rotating forward and backward a rotating drum of the drive device, wherein the rail module is provided with the drive device fastened to an outside of a vehicle body such that a part of the drive device goes inside the vehicle body through an opening provided on the vehicle body, and an outer diameter of the rotating drum of the drive device is made smaller than a maximum diameter of a deceleration mechanism for making the rotating drum rotate forward and backward.