| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a driving device for a vertically moving door, which can lightly drive the door for opening/closing operation by small damper means having a small stroke. SOLUTION: According to the driving device for the vertically moving door, base-side ends of the damper means 3a and 3b paired with each other are pivoted on a fixed frame body 1 which has a pair of levers 6a and 6b pivoted thereon. Then, short pieces 8a and 8b of the respective levers 6a and 6b, are pivoted on output shafts 5a and 5b of the respective damper means 3a and 3b, and long pieces 9a and 9b have respective rollers 10a and 10b arranged thereon. Further, the rollers 10a and 10b are fitted into horizontal guide rails 22a and 22b, respectively, which are fixed to the door 20.</p> |
