Centrifugal scroll screen apparatus
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United States of America Patent
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May 21, 2019
Grant Date -
Dec 28, 2017
app pub date -
Dec 27, 2015
filing date -
Jan 15, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
In a centrifugal scroll screen apparatus there is provided a scroll assembly (20) driven by a scroll assembly drive shaft (25) and being connected to the scroll assembly by an axial adjuster comprising a shaft cam portion (92) and a scroll portion (96) each having a respective camming surface (94) whereby relative rotation of the scroll portion (96) and the shaft portion (92) axially adjusts the proximity of the vanes to a coaxial conical screening surface, and a locking ring (97) selectively operable to rotationally secure the scroll portion (96) and the shaft portion (92).
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