Static dissipative coupling of an article-pickup tip to a wand
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United States of America Patent
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Apr 30, 1996
Grant Date -
N/A
app pub date -
Feb 16, 1994
filing date -
Feb 16, 1994
priority date (Note) -
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Abstract
A vacuum-actuated article handling tool includes an electrically conductive wand body that is selectively coupled to a pickup tip by a static dissipative connecting assembly. The connecting assembly preferably includes a rigid, electrically insulative cap. The cap is rigid in order to securely hold the tip and is electrically insulative in order to prevent direct contact of the conductive tip to the conductive wand body. The connecting assembly includes a resistive member that is preferably flexible. The flexibility allows the resistive member to conform to the shape and position of the tip, so that a repeatable tip-to-wand electrical connection is made. The resistive member is formed of a material that achieves a desired current-limiting resistive path, thereby providing protection for handled articles that are susceptible to damage by electrostatic discharge.
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Cited Art Landscape
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