BREAK-AWAY COUPLING WITH ENHANCED FATIGUE PROPERTIES FOR HIGHWAY OR ROADSIDE APPURTENANCES
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United States of America Patent
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Issued Date -
Oct 24, 2013
app pub date -
Apr 24, 2012
filing date -
Apr 24, 2012
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Abandoned
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Abstract
A break-away coupling has a central axis and a necked-down central region formed by two inverted truncated cones having larger and smaller bases joined at the smaller bases by a narrowed transition region in the form of a catenoid having a radius R and a central plane of symmetry at its inflection point of minimum diameter. The length of the side of cone between the bases is equal to 1, the distance along the axis between each large base and the central plane equal to H, and:
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