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Passive dirt shield for image reproduction devices

  • US 6,892,041 B1
  • Filed: 08/06/2003
  • Issued: 05/10/2005
  • Est. Priority Date: 08/06/2003
  • Status: Expired due to Fees
First Claim
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1. A system for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device, said system comprising:

  • a moving surface;

    at least one sensor; and

    a shield having at least one shield window, said shield adapted to be placed between said moving surface and said sensor, and said shield at least partially encloses a subsystem of said image reproduction device;

    wherein the movement of said surface, and said shield and said shield window cooperate to move air through said shield window past said sensor toward said moving surface.

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