Cleaning unit for cleaning recording medium of an electrophotographic apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 8, 1991
Grant Date -
N/A
app pub date -
Dec 14, 1988
filing date -
Dec 18, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toner image transfer type recording apparatus having a cleaning unit for removing residual contaminants from the surface of a rotating recording drum after toner image transfer. The cleaning unit includes a blade which engages the surface of the drum, a rotatable cleaning cylinder disposed immediately upstream from the blade, and a housing structure surrounding the blade and the rotatable brush. The housing is evacuated by an air pump connected thereto, causing external air to be introduced through an opening of the housing to facilitate removal of the contaminants from the housing.
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