Suction cup with flat framework
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United States of America Patent
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Aug 29, 2017
Issued Date -
N/A
app pub date -
Nov 19, 2013
filing date -
Nov 19, 2012
priority date (Note) -
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Abstract
A suction cup, including a flat framework, a suction cup body covering the framework, a connection rod disposed on the back surface of the framework and passing through the cup body, a cup cover covering the connection rod and the cup body, and a pressing element provided on the back surface of the cup cover and in connection with the connection rod, a seal element on the adsorption surface of the cup body, and an annular protruding ring on the inner surface of the cup cover at a location corresponding to the seal element for touch pressing the inner surface of the cup body against the seal element. The invention uses rigid force transfer, and thus the force transfer is more effective. The sealing element enhances the airtightness of the suction cavity and increases the absorption force of the suction cup. When pulling the connection rod, due to the existence of the sealing element, the air cannot easily enter the suction cavity, and because before the pulling the framework is in a flat state, it can produces a high degree of vacuum and thus adsorption force so that the suction cup will not fall off the supporting surface easily. Furthermore, the suction cup of the invention is structurally simple with a lower manufacturing cost.
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