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Very tall buildings suffer from a loss of usable space due to needing lots of lift shafts. I propose having an up shaft and a down shaft, each with a few carriages in. When the carriage gets to the top/bottom, it will move across to the other shaft. I have thought of 2 possible methods so far.
1)
There is an electric rail the length of the shaft and each carriage has motors to pull it along the rail and WiFi (or a carrier signal along the rail) telling it where to go.
2) Each shaft has 10 sets of cables at the sides of the shaft. Each carriage is clipped into a set of cables at the top/bottom and released at the other end.
part way there
http://www.patentst...6619437-claims.html [jhomrighaus, Aug 05 2007]
Vernons Version
Multiple-Cab_20Elevator_20Loop [jhomrighaus, Aug 05 2007]
Leicester Uni had one of these puppies...
http://en.wikipedia.org/wiki/Paternoster Two shafts, one up, one down. There are also students' videos of it on youTube. [theleopard, Aug 06 2007]
[link]
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[BrauBeaton] They do use them for efficiency but they are not essential. Anyway, it would be no more difficult to transfer the counter weights than it would be to transfer the carriages. |
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elevators are scary enough without complicating them further. IMHO |
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This is an elegant idea. I'm not sure about the individual methods, but I expect it could be made to work somehow. [+] |
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To save space, put the elevators outside. |
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Who is the man that would risk his neck
For his brother man?
SHAFT!
LIFT SHAFT!
Can you dig it? |
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This exact idea was discussed on a Modern Marvels episode in the US. The Otis elevator company engineer discussed this as being the next step in elevator technology and is already used or in development. |
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Bring back the paternoster lift. |
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I am going to be thinking about the opposite of helicopters for a long time ... |
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