Bifold Stair System for Aircraft
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Aug 3, 2023
app pub date -
Feb 2, 2023
filing date -
Feb 2, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A stairway for aircraft is disclosed which includes first and second stair halves, one which nests in the other. The first half is hinged to the doorway and the second half is hinged to the first half. A mechanical resistance system uses different devices to allow for the airstair to be damped when switching between modes. A retracting arrangement is also disclosed.
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Family
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Cited Art Landscape
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