| 摘要 |
In an elevator apparatus, a speed governor is disposed in an upper portion of a hoistway, and a tensioning sheave is disposed in a lower portion of the hoistway. A speed governor rope that is moved in response to movement of a car is wound around a speed governor sheave of the speed governor and the tensioning sheave. The tensioning sheave is rotated in response to movement of the speed governor rope. A rotation detector that generates a signal that corresponds to rotation of the tensioning sheave is disposed on the tensioning sheave. Information from the rotation detector is sent to a controlling apparatus. The controlling apparatus detects a position of the car based on the information from the rotation detector.
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