Method and apparatus for determining safety of a working environment
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United States of America Patent
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Aug 22, 2017
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N/A
app pub date -
Nov 20, 2014
filing date -
Nov 22, 2013
priority date (Note) -
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Abstract
An apparatus for determining the safety of a working environment comprising a panel assembly including first D-Ring indicia corresponding to D-Ring height, a first slider supported for movement relative to the panel assembly, the first slider including first anchor height indicia corresponding to anchor height and a Free Fall Distance (FFD) indexing arrow, a second slider supported for movement relative to the panel assembly, the second slider including FFD indicia corresponding to FFD first lanyard length indicia corresponding to lanyard length. The first slider is moved to a first slider FFD calculation position based on a determined anchor height. The second slider is moved to a second slider FFD calculation position based on a determined lanyard length and a determined D-Ring height. The FFD is determined based on a relative position of the FFD indexing arrow on the first slider and the FFD indicia on the second slider.
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