| 摘要 |
PURPOSE:To open and close a door provided in loading space of a cargo carrying vehicle automatically by means of an electric motor. CONSTITUTION:An electric motor 8 is provided at the farther end part of a containing rail 6c which composes a guide rail 6 of an approximately reversed L shape. An auxiliary rail 7 is laid under and along the containing rail 6c. A work body 11 guided by the auxiliary rail 7 is movably connected to a forcibly traveling body 10 which is forced to travel by the electric motor 8. By connecting the work body 11 with a door curtain 4 through a connecting rod 12, the door curtain 4 opens and closes an opening portion in connection with normal and reverse driving by the electric motor 8. |
