ELEVATOR INSTALLATION WITH A SAFETY DEVICE FOR AN ELEVATOR CAR ARRANGEMENT
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United States of America Patent
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Issued Date -
Sep 21, 2017
app pub date -
Dec 2, 2015
filing date -
Dec 2, 2014
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Abstract
An elevator system with an elevator car arrangement has a safety device. The elevator car arrangement includes an upper elevator car, a lower elevator car and an elevator car frame, in which frame the elevator cars can be moved in opposite directions. The safety device has an upper instantaneous safety gear for the upper elevator car and a lower instantaneous safety gear for the lower elevator car. The upper instantaneous safety gear includes a remotely tripping unit that can be tripped by the lower elevator car. Furthermore, the lower instantaneous safety gear includes a remotely tripping unit which can be tripped by the upper elevator car.
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