DOWNFORCE SWEEPER
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United States of America
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Issued Date -
Jan 20, 2022
app pub date -
Oct 28, 2019
filing date -
Oct 28, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
A device for collecting debris from a surface, comprising a catcher and a lifting ramp, wherein the lifting ramp is located forward of the catcher such that when the device is moved over a ground surface, debris on the ground surface passes upwardly over the lifting ramp onto the catcher, wherein the lifting ramp is shaped as an aerofoil to create downforce on the lifting ramp toward the ground surface from air moving across the aerofoil under said movement.
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