| 摘要 |
<p>A main rope is wound around a drive sheave of a driving machine in an elevator system. A car and a counterweight are suspended down from the main rope. Provided on a counterweight side of the drive sheave is a rope braking apparatus that stops ascent of the car due to the driving machine by gripping the main rope when the counterweight travels further downward than its normal travel excursion. <IMAGE></p> |
