Method, Component and Structure for Constructing a Dual-Use Staircase
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United States of America Patent
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Issued Date -
Sep 29, 2011
app pub date -
Mar 23, 2011
filing date -
Mar 23, 2010
priority date (Note) -
Abandoned
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Abstract
A method of converting a traditional staircase into a dual-use staircase, for reducing the stepping height and knee stress in stairs climbing and descending, comprises: providing a plurality of lifting modules and a plurality of extending modules; connecting the plurality of lifting and extending modules in pairs to the original steps respectively; and optionally connecting a plurality of dividers in between said lifting and extending modules respectively.The dual-use staircase structure reduces the step rise by half, while keeping the total run about the same. It allows healthy people to walk in a full-step domain, while allowing people with knee concerns to walk on a half-step domain. The dual-use staircase may include dividers with lateral openings to facilitate reverse turning halfway during ascending or descending of the staircase.
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