Optical scanner and image forming device provided with the optical scanner
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United States of America Patent
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Apr 28, 2015
Grant Date -
Jun 26, 2014
app pub date -
Dec 16, 2013
filing date -
Dec 26, 2012
priority date (Note) -
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Abstract
An optical scanner includes a housing, a polygon mirror accommodated within the housing and configured to reflect light of a light source, a lens accommodated within the housing and arranged on an optical path of the light reflected by the polygon mirror, and a cover member. The cover member is mounted to the housing and is provided with an opening formed so as to expose at least a portion of the lens. The opening is closed by a seal member which is attached to a portion of the lens exposed from the opening and an outer wall surface of the cover member existing around the opening.
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