Safety apparatus for an elevator apparatus and a drive apparatus thereof
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jun 13, 2013
app pub date -
Nov 13, 2012
filing date -
Dec 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A safety apparatus for elevator apparatuses which can move a cab via a drive including a monitoring unit for monitoring at least one of the drive and/or the motor regulation system of the drive, a safety device having at least two sensors, which can be switched between at least two switching states depending on a state, in particular a closing state. In order to be able to reduce operating costs, at least one of the safety device and the monitoring unit includes a controller, which is designed to identify the respective switching states of the sensors, and to transmit at least one of data and monitoring signals to the monitoring unit.
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