IRREVERSIBLE HYBRID ASCENT AND/OR DESCENT DEVICE
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United States of America Patent
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Issued Date -
Oct 17, 2024
app pub date -
Aug 1, 2022
filing date -
Aug 1, 2022
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Abstract
Described is an ascent/descent device including: motion transmission means, a worm screw mechanism having a main axis of extension, a first nut and a second nut which are both configured to engage with the worm screw mechanism to move along the axis, a pulley positioned concentrically with the worm screw mechanism with the first nut, and elastic means interposed between the first nut and the second nut.
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