Ergonomic ladder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 21, 2019
Grant Date -
Dec 27, 2018
app pub date -
Jun 22, 2017
filing date -
Jun 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A ladder includes a pair of generally curved side rails arranged in a spaced apart manner, a plurality of fixed rungs disposed between the side rails, a plurality of pairs of rung supports, and a plurality of hinged rungs. Each of the pairs of rung supports is horizontally aligned with each other and disposed on respective inner sides of the side rails. The rung supports are spaced apart from the fixed rungs along lengths of the side rails. Each rung support includes a flanged end portion having an aperture therein. Each hinged rung is associated with a respective pair of rung supports. Each hinged rung has a first end pivotally coupled to the flanged end portion of a first rung support in the respective pair of rung supports such that each hinged rung is pivotal between a secured position between the rung supports and a retracted position.
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