Passive dirt shield for image reproduction devices

Details Passive dirt shield for image reproduction devices Passive dirt shield for image reproduction devices

2005-05-10

2005-05-10

Grainger, Quana (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

Reexamination Certificate

active

06892041

ABSTRACT:
A system for shielding sensors from airborne particulate matter in the environment of an electrostatic image reproduction device at least includes: a moving surface; at least one sensor; and a shield having at least one shield window, the shield adapted to be placed between the moving surface and the sensor, and the shield at least partially encloses a subsystem of the image reproduction device; wherein the movement of the surface, and the shield and the shield window cooperate to move air through the shield window past the sensor toward the moving surface.

REFERENCES:
patent: 6272295 (2001-08-01), Lindblad et al.
patent: 54156547 (1979-12-01), None
patent: 63103064 (1988-01-01), None
patent: 2000056643 (2000-02-01), None
patent: 2001083748 (2001-03-01), None

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