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2019
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Invention
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Electrical power transmission to elevator system cars. An elevator system includes a hoistway, an... |
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2018
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Invention
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Elevator rope maintenance method. During a maintenance inspection, an optical rope diameter measu... |
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Invention
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Door rail monitoring.
According to one embodiment, a method for monitoring a door rail of an ele... |
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2017
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Invention
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Elevator rope monitoring device and elevator rope monitoring method. An elevator rope monitoring ... |
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Invention
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Wire rope measuring device and wire rope measuring method. A wired-rope measuring device, provide... |
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2012
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Invention
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Elevator device and roller guide assembly. c) are each provided with a roller outer circumference... |
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Invention
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Elevator device and roller guide assembly. An elevator car (1) which moves vertically along the h... |
