Light scanning apparatus, housing, and image forming apparatus
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United States of America Patent
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Nov 19, 2019
Grant Date -
Aug 16, 2018
app pub date -
Feb 7, 2018
filing date -
Feb 15, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A light scanning apparatus including: a rotary polygon mirror configured to deflect a laser beam emitted from a light source; optical elements configured to guide the laser beam to a photosensitive member; a housing having a bottom surface and a side wall portion standing from the bottom surface and intersecting with a longitudinal direction of the optical elements; and a plurality of wall portions provided on the bottom surface so as to intersect with the longitudinal direction between the bottom surface and a lens of the optical elements that is closest to the rotary polygon mirror, the plurality of wall portions forming an air flow path for guiding an air flow caused by rotation of the rotary polygon mirror from a first space in which the rotary polygon mirror is arranged to a second space opposite to the first space with respect to the lens.
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