EQUIPMENT FOR LIFTING AND LOWERING AN OBJECT OF LARGE DIMENSIONS AND MASS
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
Sep 3, 2013
filing date -
Sep 7, 2012
priority date (Note) -
Abandoned
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Abstract
Equipment for lifting and lowering a platform in the middle of a large construction is provided, whereby the construction comprises a stationary, fixed, lower platform and an upper platform arranged thereabove and having an adjustable height position, the lifting equipment including a plurality of lifting pylons locating on the sides of the platforms, a lifting rope arrangement arranged for each lifting pylon and connected to the upper platform, and lifting machines connected to the lifting rope arrangements for lifting and lowering the upper platform. The lifting machine driving the lifting rope arrangement disposed in each lifting pylon is placed on the sides of the platforms opposite the lifting pylon concerned and below the level of the lower platform.
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