LIFTING COLUMN
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United States of America Patent
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Issued Date -
Nov 23, 2023
app pub date -
Apr 18, 2023
filing date -
May 17, 2022
priority date (Note) -
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Abstract
A lifting column includes at least five column elements which are at least partly nested, and a first and a second drive arrangement. The first drive arrangement is configured to move the three innermost column elements relative to one another. The second drive arrangement is configured to move the three outermost column elements relative to one another.
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