SAFETY SYSTEM FOR AN ELEVATOR
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United States of America Patent
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Issued Date -
Feb 29, 2024
app pub date -
Nov 15, 2022
filing date -
Aug 25, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An elevator safety includes a barrier (108) for installation on an external upper surface (106) of an elevator car (102) and a sensor. The sensor is configured to detect a change in the barrier (108) and the system is configured to produce a safety signal when a change in the barrier (108) is detected by the sensor. The sensor may be configured to detect a movement of at least part (316; 426; 548) of the barrier (108). The sensor may be configured to detect a change in the load applied to at least part (626; 726) of the barrier (108). The sensor may be configured to detect a change in resistance in at least part of the barrier (108).
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