| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method and device for opening and closing two speed simply structured elevator doors producing a result of cost reduction. SOLUTION: In the device for opening and closing plural elevator doors, an end of a second cable 14 wherein the other end is connected to a low speed door 4 is wound around the small diameter reel 18 of a motor driven two stage winding reel 16 provided on the fixing side which is faced after passing through a tension wheel 19 on the fixing side. An end of a first cable 13 wherein the other end is connected to the fixing side is connected to a high speed door 6 through a locking instrument 9 passing through a running block 12 supported on the low speed door 4, and then is wound around the large diameter reel 17 of the reel 16 in the opposite direction of the second cable 14.</p> |
