Developing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 11, 2018
Grant Date -
Jan 18, 2018
app pub date -
Jul 10, 2017
filing date -
Jul 15, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A developing device includes a first communication portion defining a communication path through which developer in a second chamber is communicated to a first chamber. The communication path has a first area and a second area. The first area is positioned within a range corresponding to a developer coating area of a developer bearing member in a conveyance direction of developer in the collection chamber, while the second area is positioned downstream of the developer coating area in the conveyance direction. A first length of the first area is shorter than a second length of the second area. The first length is a maximum length from a bottom surface portion of the communication path to an upper portion of the first area, and the second length is a maximum length from the bottom surface portion of the communication path to an upper portion of the second area.
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