Developing device
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United States of America Patent
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Nov 13, 2018
Grant Date -
Jan 11, 2018
app pub date -
Jun 30, 2017
filing date -
Jul 8, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A developing device, including a casing and a seal member is provided. The casing includes a divider wall, dividing a space inside the casing into a container chamber and a developing chamber, and a developing roller. The divider wall includes an opening. The container chamber accommodates a developing agent. The seal member is configured to seal the opening. The seal member includes a ventilation section configured to allow air to pass there-through but restrict the developing agent from passing there-through at least at a part of an area that seals the opening.
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