Fixture for selectively positioning a work piece using suction
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United States of America Patent
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-
Jul 26, 2016
Grant Date -
Apr 21, 2016
app pub date -
Apr 10, 2015
filing date -
Oct 20, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A fixture includes a housing and a gas valve. The housing defines a receiving chamber and a suction hole communicating with the receiving chamber on an end. The gas valve includes a valve body and a piston. The valve body partially resists an inner surface of the receiving chamber to divide the receiving chamber. The valve body defines a first channel, and a first and second through holes respectively communicating with the first channel. The piston is movably received in the first channel, and capable of being pushed to lead the first connecting hole to communicate with the second through hole by gas flowing into the hole, and block a communication between the first connecting hole and the second through hole by gas flowing into the first channel.
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