Mast lift using multi-stage mast module
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United States of America Patent
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Jan 30, 2018
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app pub date -
Aug 17, 2011
filing date -
Aug 17, 2010
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Abstract
A multi-stage mast module is cooperable with a mast lift. The mast lift includes a base supporting the multi-stage mast module and a platform coupled with the multi-stage mast module. The multi-stage mast module includes a mast unit including a plurality of telescoping mast sections, and a multi-stage drive connected between the telescoping mast sections of the mast unit. Gas springs are connected between the telescoping mast sections of the mast unit. The gas springs act between the adjacent ones of the telescoping mast sections.
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