Elevator car rolling suppression device and method
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United States of America Patent
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Nov 27, 2018
Grant Date -
Sep 22, 2016
app pub date -
Mar 16, 2016
filing date -
Mar 20, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An elevator car rolling suppression device capable of suppressing rolling of an elevator car includes a drive unit configured to press a guide unit against a guide rail. The device also includes a position detecting unit configured to detect a position of an elevator car within a shaft, a storage unit configured to store the position of the elevator car within the shaft and an acceleration of the elevator car in association with each other. The device also includes a control unit configured to extract the acceleration in the lateral direction of the elevator car detected by the position detecting unit from the storage unit. The control unit also controls the drive unit so as to adjust the pressing force of the guide unit against the guide rail to a pressing force that is derived from at least the extracted acceleration in the lateral direction of the elevator car.
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