VACUUM NOZZLE
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United States of America Patent
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Issued Date -
Sep 6, 2018
app pub date -
Sep 6, 2016
filing date -
Sep 6, 2016
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Abstract
A method of and an apparatus for picking up cut gemstones which have been orientated table down is provided. A vacuum wand has a generally cylindrical body with a central bore culminating in a nozzle through which a vacuum may be applied. The wand comprises a retractable outer sleeve configured to slide axially over the nozzle, and a biasing mechanism for biasing the sleeve towards a position in which it extends beyond the nozzle.
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