Lift unit for ascending and descending a scaffold
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United States of America Patent
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Aug 9, 2016
Grant Date -
May 9, 2013
app pub date -
Jul 15, 2011
filing date -
Jul 16, 2010
priority date (Note) -
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Abstract
Described is a lift unit for ascending and descending in a shaft formed by a scaffold column of a scaffold, the scaffold column comprising at least one scaffold section, each scaffold section being defined by uprights and ledgers, comprising a first part adapted to be fixed at different heights to the scaffold by means of a first set of fixing means; a second part adapted so that it can be fixed at different heights to the scaffold by means of a second set of fixing means; a distance control means adapted to drive a variation in the distance between the first set of fixing means and the second set of fixing means; and methods for use of the lift unit.
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