| 摘要 |
<p>ELEVATOR SYSTEM An elevator system including an elevator car, a passenger opening in the elevator car, a door operable between open and closed positions relative to the passenger opening, and a door operator for the door. The door operator includes a drive motor, a drive for imparting linear motion to the door, speed control and limit switches, associated door control, and various accessory equipment, such as emergency lighting control, alarm bell, and control for object sensing door re-opening devices, all mounted within a common enclosure on the top of the elevator car, which permits open wiring between the electrical components. The common enclosure also functions as the hanger roller track and up thrust roller guide.</p> |
