Elevator installation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 13, 2010
Grant Date -
Mar 13, 2008
app pub date -
Sep 7, 2007
filing date -
Mar 12, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to an elevator installation with a number of cars in a shaft, with a second car disposed underneath a first car. Associated with each car is a drive with a traction sheave and at least one cable strand, which is led over the traction sheave and by means of which the car is connected to a counterweight. The second car is kept in a suspension ratio of 1:1 and is connected to its counterweight by means of two cable strands associated with different sides of the second car and led over the traction sheave of the second car. A cable guiding device is provided which subjects the two cable strands of the second car to equal loading.
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Family
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