GRADIENT MEASURING APPARATUS AND SYSTEM
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United States of America Patent
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Dec 29, 2015
Grant Date -
Dec 31, 2015
app pub date -
Sep 2, 2015
filing date -
Jun 6, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A gradient measuring apparatus includes a gimbal assembly operably supported in a construction vehicle for viewing by an operator to see gradient indications in fore-aft and sideways directions. The gimbal assembly includes an outer orb with pointer that moves with the vehicle, and an inner orb with concentric circles that stays in a true vertical by gravitational forces, the combination of which simultaneously accurately reflects a fore-aft and sideways grade at which a ground surface is being cut in an excavating process.
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