Image forming apparatus
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United States of America Patent
Stats
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Sep 20, 2016
Grant Date -
Jun 19, 2014
app pub date -
Dec 4, 2013
filing date -
Dec 14, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is an image forming apparatus, including first and second drive portions respectively transmitting a drive force to first and second photosensitive drums, the first and second drive portions each including: a transmission gear rotated by the drive force; an idler gear rotated in mesh with the transmission gear; and a drive gear rotated in mesh with the idler gear. When a meshing angle of the idler gear is an angle from a meshing position between the idler gear and the transmission gear to a meshing position between the idler gear and the drive gear with respect to a rotation center of the idler gear, the meshing angles of the idler gears of the first and second drive portions are substantially equal to each other, and rotational phases of the idler gears of the first and second drive portions match with each other.
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Cited Art Landscape
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