Vibratory screening machine with tiltable screen frame and adjustable discharge weir

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United States of America Patent

PATENT NO 4882054
SERIAL NO

07235038

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A vibratory screening machine having a main frame, a screen frame pivoted at substantially its midpoint on the main frame, a weir which receives a liquid-solid mixture to be screened, a discharge spout on the weir, a linkage interconnecting one end of the screen frame with the discharge spout, and a hand wheel effectively connected to the discharge spout to raise and lower it and thereby simultaneously adjust the inclination of the screen frame while maintaining the drop of the liquid-solid mixture being discharged onto the screen frame substantially constant in all inclined positions of the screen frame.

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Patent Owner(s)

Patent OwnerAddress
DERRICK CORPORATION590 DUKE ROAD BUFFALO NY 14225

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Derrick, Robert G Buffalo, NY 6 211
Derrick, William W East Amherst, NY 5 328

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