Adjustable roller screen

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6053330
SERIAL NO

09257118

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A roller screen is provided with an assembly for adjusting the spacing between the rolls simultaneously. The assembly includes an elongated bar is provided adjacent one end of the rolls and has a plurality of wedges slidably mounted thereon. Bearing support plates slidably mounted in a frame have v-shape wedge portions slidably engaging adjacent side surfaces of the wedges on said bar. In a preferred embodiment a plurality of computer assisted hydraulic cams selectively move the bar upwardly and downwardly to adjust engagement of the wedges and the spacing between the rolls. Preferably a spacing adjustment assembly is provided at both of the opposite ends of the rolls in the roller screen.

First Claim

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Patent Owner(s)

Patent OwnerAddress
USX CORPORATION600 GRANT STREET PITTSBURGH PA 15219-2749

International Classification(s)

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  • 1999 Application Filing Year
  • B07B Class
  • 91 Applications Filed
  • 53 Patents Issued To-Date
  • 58.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199920002001200220030255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lavoie, Jean-Guy Montreal, CA 1 9

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Patent Citation Ranking

  • 9 Citation Count
  • B07B Class
  • 1.59 % this patent is cited more than
  • 25 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges14412122101 - 1011 - 2021 - 3031 - 4051 - 6061 - 7002.557.51012.51517.52022.52527.53032.53537.54042.54547.5

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