| 摘要 |
PURPOSE:To eliminate the need for a rail, and to smooth opening and closing by horizontally moving the door of a gate and opening and closing the door of the gate in the driving unit of the door of the gate, which has a guide roller bearing the door of the gate on the inside and has a through-hole for opening and closing the door of the gate. CONSTITUTION:At least four guide rollers are installed into a housing 11 having a through-hole for opening and closing the door of a gate 1 in the horizontal direction, and the door of the gate 1 is bone under the state of floating while a driving unit 10 of the door of the gate synchronously driving each roller is mounted oppositely to a gate pier 2. The door of the gate 1 is inserted into the driving unit 10 of the door of the gate, the guide rollers are driven, and the door of the gate is moved in the horizontal direction and opened and closed. Accordingly, the door of the gate 1 can be opened and closed smoothly even at the time of snow coverage, etc. |
