Heavy-load suction cup device
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United States of America Patent
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Jun 16, 2015
Grant Date -
Jul 17, 2014
app pub date -
Nov 14, 2013
filing date -
Dec 7, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention generally relates to the field of suction cups, and more particularly to a rotatable multi-cup suction device. The heavy-load suction cup device includes a cup body that is directly contactable with an adhered surface. The cup body is provided thereon with a cap that defines, together with the cup body, a cavity. The cup body includes a coupling rod. The cap includes a mounting hole formed in a central portion thereof for receiving the coupling rod to extend therethrough. The cup body includes an air evacuation hole that is connectable to and thus communicates with an air evacuation device. The device can notify a user when the suction force gets weakening in order to restore or replenish the suction force and has an improved functionality of self-inspection. Further, the suction cup device has an increased load capacity, an extended life span, and is reusable for numerous times.
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