Moving multiple cages between elevator shaft sides

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United States of America Patent

PATENT NO 8602168
APP PUB NO 20110192682A1
SERIAL NO

13023169

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Importance

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Abstract

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An elevator installation has a first cage pair a second cage pair, both movable in an elevator shaft. Cages of a cage pair can move simultaneously in opposite directions within the shaft. In the shaft is a change zone which allows the cages of the cage pair to change between sides of the shaft while in upward or downward motion.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
INVENTIO AGSWISS HELGE SITWELL

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tschuppert, Reto Lucerne, CH 14 25

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