Gymnastic machine with movable steps and operation method thereof
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United States of America Patent
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Oct 27, 2020
Grant Date -
Aug 31, 2017
app pub date -
Feb 28, 2017
filing date -
Feb 29, 2016
priority date (Note) -
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Abstract
The present invention concerns a gymnastic machine of the type having movable steps, comprising a supporting frame, for the resting of said gymnastic machine on the floor, a movable stair comprising a plurality of elongated elements, each elongated element being hinged in series to a preceding elongated element and to a following elongated element, so as to form a closed series, two consecutive elongated elements forming a step of said movable stair acting respectively as tread and riser, said gymnastic machine being characterized in that at least one elongated element comprises at least one first and one second part articulated to each other.
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